d9n - Plano Electrico
2
RENR9856 30 Page © 2005 Caterpillar All Rights Reserved Printed in U.S.A. RENR9856 September 2005 D9N Tractor Electrical System 1JD1687-UP Component Location Component Schematic Location Machine Location Component Schematic Location Machine Location Alarm - Backup F-9 F-11, R-11 Solenoid - Start Aid F-3 G-6, O-6 Alarm - Action D-8 H-10, Q-10 Starter F-2 D-6, Q-6 Alarm - Fire C-9 H-10, Q-10 Switch - Accessory D-8 G-10, O-10 Alternator E-2 E-4, Q-4 Switch - Backup Alarm E-8 G-9, Q-9 Batteries F-3, A-3 F-7, R-7 Switch - Blower E-8 G-9, Q-9 Breaker - Accessory B-3 F-6, N-6 Switch, Brake E-7 G-9, Q-9 Breaker - Alternator B-3 F-6, N-6 Switch - Discharge Pressure A-6 E-6, Q-6 Breaker - Blower C-6 H-7, P-7 Switch - Disconnect F-3 F-6, R-6 Breaker - Fire Suppression C-6 H-7, P-7 Switch - Dome Lamp B-8 G-8, P-8 Breaker - Key Start B-6 H-7, P-7 Switch - Engine Coolant Flow (EMS) C-1 D-3, O-3 Breaker - Main B-3 F-6, N-6 Switch - Engine Coolant Temp (EMS) C-1 E-6, Q-6 Breaker - Running Lamp C-6 H-7, P-7 Switch - Engine Coolant Temp (Start Aid) E-3 E-7, P-7 Control - Automatic Fire Suppression A-8 G-8, Q-8 Switch - Engine Oil Pressure (EMS) E-1 D-4, Q-4 Converter - 24/12 Volt D-8 H-10, Q-10 Switch - Engine Oil Pressure (Service Meter) E-1 D-4, Q-4 Gauge - Coolant Temperature B-6 H-7, P-7 Switch - Fire Detection C-2, C-3 F-7, P-7 Gauge - Hydraulic Oil Temperature B-5 H-7, P-7 Switch - Flood Lamp (Rear) D-6 H-7, P-7 Gauge - Power Train Oil Temperature B-6 H-7, P-7 Switch - Flood Lamp (Side) D-6 H-7, P-7 Horns - Forward F-2 F-2, Q-2 Switch - Forward Horn C-8 G-10, O-10 Meter - Service B-5 H-7, P-7 Switch - Fuel Pressure (EMS) F-9 G-9, S-9 Monitor - Fire Suppression E-7 H-7, P-7 Switch - Hydraulic Oil Temperature (EMS) A-9 G-9, N-9 Monitor - Operator (EMS) F-5 H-7, P-7 Switch - Key Start B-6 H-7, P-7 Motor - Washer Pump E-9 G-9, R-9 Switch - Neutral/Start F-7 G-9, Q-9 Motor - Wiper (Front) D-7 G-8, P-8 Switch - Nitrogen Actuator Pressure A-9 E-6, Q-6 Motor - Wiper (Left) E-7 G-8, P-8 Switch - Nitrogen Actuator Pressure C-9 G-10, O-10 Motor - Wiper (Rear) D-9 G-8, P-8 Switch - Operator Monitor Test (EMS) D-6 H-7, P-7 Motor - Wiper (Right) B-6 G-8, P-8 Switch - Power Train Oil Filter Pressure (EMS) E-9 E-11, Q-11 Motors - Blower F-7, F-8 G-9, R-9 Switch - Power Train Oil Filter Temp (EMS) E-9 E-11, Q-11 Relay - Main B-4 H-7, P-7 Switch - Power Train Oil Temp (EMS) D-3 D-8, P-8 Relay - Start B-4 H-7, P-7 Switch - Refridgerant Pressure (A/C) F-3 E-3, R-3 Resistor - Blower Motor Speed F-8 G-9, R-9 Switch - Ripper Pin Puller C-8 G-10, O-10 Resistor - Starter to Diag. Connector F-2 D-6, Q-6 Switch - Running Lamp E-6 H-7, P-7 Sender - Engine Coolant Temp (Guage) D-1 E-6, Q-6 Switch - Start Aid B-6 H-7, P-7 Sender - Hydraulic Oil Temp (Guage) B-9 G-9, N-9 Switch - Thermostat (A/C) F-7 G-9, R-9 Sender - Power Train Oil Temp (Guage) D-3 D-8, P-8 Switch - Wiper (Front) C-9 G-8, P-8 Solenoid - Air Conditioner Clutch E-9 E-9, Q-9 Switch - Wiper (Left) C-8 G-8, P-8 Solenoid - Engine Shutdown D-1 F-4, P-4 Switch - Wiper (Rear) C-9 G-8, P-8 Solenoid - Nitrogen Actuator C-9 G-10, O-10 Switch - Wiper (Right) C-8 G-8, P-8 Solenoid - Ripper Pin Puller D-9 F-11, O-11 Switches - Agent Pressure A-9 G-9, M-9 Connector Location Connector Number Schematic Location Machine Location CONN 1 F-9 F-1, N-1 CONN 2 A-8 G-7, P-7 CONN 3 B-8 G-8, O-8 CONN 4 F-8 G-9, Q-9 CONN 5 A-7 F-8, N-8 CONN 6 B-7 D-4, Q-4 CONN 7 C-7 J-8, O-8 CONN 8 C-7 J-8, O-8 CONN 9 D-7 J-8, O-8 CONN 10 E-7 F-8, Q-8 CONN 11 F-7 G-8, Q-8 CONN 12 C-6 H-7, P-7 CONN 13 F-6 G-7, P-7 CONN 14 E-4 F-7, P-7 CONN 15 F-4 F-7, P-7 CONN 16 F-4 F-7, P-7 CONN 17 A-3 G-6, P-6 CONN 18 D-3 F-7, Q-7 CONN 19 D-3 F-7, Q-7 CONN 20 F-3 F-7, Q-7 CONN 21 D-2 D-4, Q-4 CONN 22 E-2 D-4, Q-4 CONN 23 E-2 D-4, Q-4 CONN 24 F-2 F-2, Q-2 CONN 25 B-1 H-2, Q-2 CONN 26 F-1 H-2, O-2 CONN 27 Diagnostic Connector F-6 G-7, P-7 CONN 28 B-7 F-8, N-8 The connectors shown in this chart are for harness to harness connectors. Connectors that join a harness to a component are generally located at or near the component. See the Component Location Chart. 14 13 11 12 10 9 8 7 6 5 4 3 2 1 14 13 11 12 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J K L M N O P Q R S T A B C D E F G H I J K L M N O P Q R S T A AA 1 2 325-PK-14 200-BK-14 T Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine. 105-9344 T Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it. Pin Socket Fuse Component Part Number Pin or Socket Number Receptacle Plug Wire Gauge Wire, Cable, or Harness Assembly Identification Wire Color Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be disconnected from the component. Single Wire Connector Circuit Number Identification Ground Connection Pressure Symbol Temperature Symbol Level Symbol Flow Symbol Circuit Breaker Symbol Reed Switch: A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch. Sender: A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure. Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay. Solenoid: A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work. Harness And Wire Symbols Electrical Schematic Symbols And Definitions 1 1 2 2 Typical representation of a Sure-Seal connector. The plug and receptacle contain both pins and sockets. Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins. Symbols Symbols And Definitions Fuse - A component in an electrical circuit that will open the circuit if too much current flows through it. MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch) that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches. Off Machine Switch Specification Part No. Function Actuate Deactuate Contact Position 3T-9342 Fire Suppression Agent 2270 kPa Max (328.0 psi Max) 1655 ± 138 kPa (240.5 ± 20.0 psi) Normally Open 6T-6085 Fire Suppression Nitrogen Actuator 1930 ± 138 kPa (279.5 20.0 psi) 1655 ± 138 kPa (240.5 ± 20.0 psi) Normally Open 7N-9560 Power Train Oil Temperature (EMS) 129.4 ± 2.8°C (265 ± 5°F) 118.3°C Min (245°F Min) Normally Closed 7N-9785 Engine Coolant Temperature 107.2 ± 2.8°C (225 ± 5°F) 91.0°C Min (196°F Min) Normally Closed 7T-4371 Fire Suppression Discharge Pressure 93 ± 21 kPa (13.5 ± 3.0 psi) 69 ± 21 kPa (10.0 ± 3.0 psi) Normally Closed 7T-4785 Fire Suppression Pressure 193.3 ± 8°C (380 ± 14.4°F) Normally Open 8N-1693 Engine Coolant Temperature Start Aid 37.8 ± 2.8°C (100 ± 5°F) 26.7°C Min (80°F Min) Normally Closed 9G-1300 Hydraulic Oil Temperature (EMS) 110.0 ± 2.8°C (230 ± 5°F) 101.7°C Min (215°F Min) Normally Closed 9G-3341 Power Train Oil Temperature Filter (EMS) 51.7 ± 2.8°C (125 ± 5°F) 43.0°C Min (110°F Min) Normally Closed 9W-3187 Fuel Pressure (EMS) 93 ± 21 kPa (13.5 ± 3.0 psi) 69 ± 21 kPa (10.0 ± 3.0 psi) Normally Closed ¹ With increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kpa (25psi). ² Contact postion at the contacts of the harness connector. Wire Description Wire Number Wire Color Description Wire Number Wire Color Description Power Circuits 101 RD Bat (+) 515 GY Blower Motor (HI) 102 BU Hd Lmp 516 GN Blower Motor (Medium) 103 YL Dome/Dash Lamp/Park, Tail Lamp 517 BU Blower Motor (Low) 105 BR Key Sw 518 OR Hazard Flasher to Switch 106 WH Main Power Relay/Input 519 PK Thermostat to Dryer Pressure Switch 107 WH Engine Shutdown 520 WH Opr A/C Swith to Thermostat 108 BU Misc Wiper, Dome Lamp, Cigar Lighter 521 YL A/C SW To Refrigerant SW 109 OR Alt Output (+) Term. 522 WH A/C Compressor To Thermostat Switch 110 GN Windshield Wiper Sw. (Right) 523 BR Windshield Wiper - Left (Park) 111 YL Windshield Wiper Sw. (Left) 524 BU Windshield Wiper - Left (Low) 112 PU Main Power Rly Output 525 GY Windshield Wiper - Left (HI) 113 OR Opr Mon Panel B (+) Switched 526 YL Windshield Wiper - Right (Park) 114 GN Warning Horn (Forward) 527 GN Windshield Wiper - Right (Low) 115 PK Flood Lamp (Front) 528 PK Windshield Wiper - Right (HI) 116 BR Flood Lamp (Rear) 529 WH Windshield Washer - Left 117 YL Flood Lamp (Side) 530 OR Windshield Washer - Right 118 GY Windshield Wiper Sw. (Front) 531 WH Fire Warning Horn 119 PK Windshield Wiper Sw. (Rear) 532 WH Fire Warning Lamp 120 YL Converter (24V to 12V) 533 OR Heat Sensor/Test Switch 121 YL Backup Alarm/Lamp/Travel Alarm Timer 534 WH Heat Sensor/Test Switch 122 BU Air Dryer 535 BU Travel Alarm Timer Pressure Switch 123 WH Gauges 536 OR Travel Alarm Timer Manual Override 124 GN A/C 537 GR Turn Signal Switch to Flasher 125 OR Fuel Transfer Pump 538 BR Hazard Indicator 126 PK Transmission Control 539 BU Turn Signal Indicator Basic/Right 127 OR Cab Flood Lamp 540 WH Turn Signal Indicator Left 128 PK Aux Ckt 541 GN Accessory 1 129 BU Aux Ckt 542 BU Accessory 2 130 GN Stop Lamp 131 BR Fire Control - Operator Warning 553 YL Pitch Solenoid to Trigger Switch - Dual Tilt 132 PK Antispin Control 554 PK Momentary Sw to Single Tilt Sol - Dual Tilt 133 OR Programmed Electronic Eng Cont Solenoid 557 YL Trailer Connector (Left Turn/Hazard) 134 PK Programmed Electronic Eng Cont Logic 558 GN Trailer Connector (Right Turn/Hazard) 135 BU AM/FM Radio 567 WH A/C Switch Jumper 136 GN Supplemental Steering 569 PK A/C Switch Jumper 137 RD Steering Motor Indicator 579 BR A/C Blower Motor #1 138 GN Automatic Lube Pump 580 OR A/C Blower Motor #2 141 PK Auxiliary Heater 146 GY Accessory Switch 1 600 BR Dash Basic 147 PU Accessory Switch 2 601 GY Dash High 148 WH A/C Switch 602 WH Dome 153 WH 3 PT. Hitch Control 603 PK Rotary Beacon 154 WH A/C 604 OR Stop 172 GN Hazard Fuse to Flasher 605 YL Turn Left 174 PK Customer Add-Ons 606 GY Turn Right 175 PK Trailer Turn/Hazard 607 PK Flood Front 176 OR Crankcase Guard - Pump Motor 608 GN Flood Rear 177 OR Main Breaker 609 YL Flood Side 178 GN Main Breaker 610 OR Head Lamp Basic Ground Circuits 611 PU Head Lamp High 200 BK Main Chassis 612 GY Backup 201 BK Operator Monitor Panel 613 PK Liceanse Plate 203 BK Chassis Diagnostic 614 PU Park/Tail/Dash 209 BK Fire Suppression System 615 YL Cab Flood/ROPS Basic Machine Circuits 616 BU Bucket Flood 301 BU Starter No. 1 Solenoid to Resistor 617 BR Tail/Pos Lamp - Left (Roading Package) 302 OR Starter No. 1 Diag/Res to Diagnostic 618 YL Tail/Pos Lamp - Right (Roading Package) 304 WH Starter Relay No. 1 Output 619 GR Head Lamp Low 306 GN Starter Relay Coil/Neutral Start Switch 620 WH Flood - Front (Attach) (Engine Flood Lamp) 307 OR Key Switch to Neutral Start Switch 622 PU Flood Lamp 3 Way Switch Jumper 308 YL Main Power Relay Coil 623 BU Flood Lamp 3 Way Switch Jumper 310 PU Ether Switch To Ether Solenoid 624 YL Flood Lamp Bowl 311 WH Ether Solenoid To Temperature Switch 625 BK Courtesy Lamp 312 PK Starter No. 2 Solenoid to Resistor 630 GY Flood Rear (Attach) 313 GY Starter No. 2 Diag/Res to Diagnostic 635 BR Turn Signal Common 314 PU Starter Relay No. 2 Output 635 BU Payload Monitor Red Light 320 OR Horn Relay Coil to Switch 636 GN Payload Monitor Amber Light 321 BR Bckp Alarm 322 GY Warning Horn (Forward) 700 PK Antispin Test Switch 323 WH Fuel Transfer Pump Power 702 OR Transmission Brake Switch Jumper 324 BU Differential Lockup Solenoid 703 BU Transmission Up Solenoid 325 PK Fuel Pump Relay Oil Pressure Switch 704 GY Transmission Down Solenoid 326 PU Key Switch "C" Terminal 705 PK Transmission Lockup Clutch Solenoid 327 PK Shutdown Solenoid 706 BR Transmission Retarder Switch 328 OR Shutdown Module "Off" 707 PU Transmission Bed Raise Switch Monitoring Circuits 708 YL Transmission Hold Switch 400 GN Servicemeter Switch 709 OR Transmission Pickup Power 403 GN Alternator (R) Terminal 710 GN Transmission Speed Pickup Signal 404 YL Operator Mon Panel Hydraulic Oil Temp 711 BR Transmission Lever Code 1 Accessory Circuits Cont'd Power Distribution Circuits Lighting Circuits Control Circuits 405 GY Operator Mon Panel Oil Press. (Low Setting) 712 WH Transmission Lever Code 2 406 PU Operator Mon Panel Coolant Temperature 713 OR Transmission Lever Code 3 407 PK Operator Mon Panel Conv/Retarder Oil Temp 714 YL Transmission Lever Code 4 408 WH Operator Mon Panel Brake Pressure (Air) 715 GN Transmission Lever Code 5 409 OR Operator Mon Panel Neutral 716 BU Transmission Lever Code 6 410 WH Operator Mon Panel Action Alarm 720 PU Transmission Brake Switch 411 PK Operator Mon Panel Master Fault Lamp 721 BR Transmission Gear Code 1 412 BU Operator Mon Panel Coolant Lamp 722 WH Transmission Gear Code 2 413 BR Operator Mon Panel Fuel Pressure 723 OR Transmission Gear Code 3 414 PK Operator Mon Panel Low Fuel 724 YL Transmission Gear Code 4 415 GN Operator Mon Panel Test Switch 725 GN Transmission Gear Code 5 416 OR Secondary Steering Switch 726 BU Transmission Gear Code 6 417 GY Primary Steering Switch 727 GN Steering Motor Relay 418 YL Operator Mon Panel Oil Press. (High Setting) 728 BU Supplemental Steering Control Switch 419 YL Operator Mon Parking Brake 733 BR Switching Gear Code 1 Front 420 OR Opr Mon Panel Fuel Filter/Low Accum Press 734 WH Switching Gear Code 2 Front 421 BU Operator Mon Panel Fault Lamp (Scraper) 735 OR Switching Gear Code 3 Front 422 YL Operator Mon Warning Horn (Scraper) 736 YL Switching Gear Code 4 Front 423 GY Operator Mon Panel Test Switch (Scraper) 737 GN Switching Gear Code 5 Front 424 GY Operator Mon Panel P/T Temperature 738 BR Switching Gear Code 1 Rear 425 PK Operator Mon Panel P/T Oil Level 739 WH Switching Gear Code 2 Rear 426 BR Operator Mon Panel P/T Oil Filter 740 OR Switching Gear Code 3 Rear 427 GN Operator Mon Panel P/T Oil Filter Jumper 741 YL Switching Gear Code 4 Rear 428 OR Operator Mon Panel XSMN Oil Temperature 742 GN Switching Gear Code 5 Rear 429 YL Operator Mon Panel Brake Oil Temperature 743 PU Switching Neutral/Run Switch 431 GN Opr Mon Panel Low Transfer Pump Press 744 BU Switching Up Solenoid 432 PK Operator Mon Panel Brake Pressure (Oil) 745 GY Switching Down Solenoid 433 BU Opr Mon Panel Brake Press (Oil) Jumper 746 PK Switching Synchronize Solenoid 434 BU Operator Mon Panel P/T Temp Jumper 747 WH Switching No Synchronize Solenoid 435 YL Operator Mon Panel P/T Temp Jumper 756 WH Transmission Lockup Clutch Solenoid 436 OR Opr Mon Panel Fuel P/T Oil Filter Jumper 761 GY Lift Kickout Solenoid Switch 437 BR Opr Mon Panel Fuel Lvl to Fuel Filter Jumper 762 YL Bucket Positioner Solenoid Switch 438 YL Operator Mon Panel Coolant Temp Jumper 763 BU Torque Converter Solenoid 440 BR Air Pressure Gauge 764 PU Supplemental Steering Control Switch 441 OR Eng Coolant Temp Gauge 765 OR Apron Solenoid (Scraper) 442 GY Hyd System Temp Gauge 767 WH Antispin Pickup Power 443 YL Power Train Temp Gauge 768 OR Antispin Pickup Transmission 444 BU Conv/Retarder Oil Temp Gauge (Tractor) 769 BU Antispin Pickup Left 445 GN Conv/Retarder Oil Temp Gauge (Scraper) 770 GN Antispin Pickup Right 446 PU Brake Oil Temperature Gauge 771 PU Antispin Service Brake Switch 447 PK Fuel Level Gauge 772 BR Antispin Retarder Switch 449 BU Speedometer Sender (Signal) 773 GY Antispin Servovalve 450 YL Tachometer Sender (+) 774 YL Antispin Solenoid - Left 451 BR Tachometer Sender (-) 775 BR Antispin Solenoid - Right 452 PU Torque Converter 779 WH Coupler Disengage Solenoid 453 PK Secondary Steering Fault Lamp 780 PU Coupler Engage Solenoid 454 GN Retarder Indicator Lamp 794 YL Payload Monitor Transmission Pickup 455 YL Converter Temp Switch to Time Delay 799 WH Payload Monitor Sensor Power 456 BR Monitor Panel PTO 803 BU Auto Fire System Power Switch 457 PU Monitor Panel Ground Speed Sender 805 PK Auto Fire Brake Switch 458 PK Monitor Panel +V 807 BR Auto Fire Nitrogen Switch 459 PK Monitor Panel Implement Position 808 PU Auto Fire Nitrogen Switch 460 BU Monitor Panel Program Pin 809 GN Auto Fire System Warning 463 YL Sensor Present 810 BU Auto Fire System Failure 464 GY Monitor Panel Engine Oil Pressure Sensor 811 GY Fire Test 466 WH Monitor Panel Steering Oil Temperature 812 GN Fire Nitrogen Actuation Solenoid 469 GN Fuel Level Sender +V 813 PK Agent Cylinder Switch (2) 470 PU Cane Switch Neutral 816 BR Auto Fire Alarm Accessory Circuits 818 BR Payload Monitor Serial Data (TX) 500 BR Windshield Wiper - Front (Park) 820 BU Payload Monitor Serial Data (RX) 501 GN Windshield Wiper - Front (Low) 858 GY Payload Monitor Right Front Signal 502 OR Windshield Wiper - Front (HI) 859 YL Payload Monitor Left Front Signal 503 BR Windshield Wiper - Rear (Park) 860 PK Payload Monitor Right Rear Signal 504 YL Windshield Wiper - Rear (Low) 861 PU Payload Monitor Left Rear Signal 505 BU Windshield Wiper - Rear (HI) 863 BU Payload Monitor Trans LCD Out 506 PU Windshield Washer - Front 864 BR Payload Monitor Clock LCD Out 507 WH Windshield Washer - Rear 865 GY Payload Monitor Latch LCD Out 508 PU Radio Speaker - Left 866 PK Payload Monitor Test/Set 509 WH Radio Speaker - Left (Commom) 867 PU Payload Monitor Calibrate 510 YL Windshield Washer - Primer 870 OR 3 Point Hitch Control 511 BR Radio Speaker - Right 871 BU 3 Point Hitch Control 512 GN Radio Speaker - Right (Common) 872 YL 3 Point Hitch Control 513 OR A/C Compressor 888 PK 3 Point Hitch Control 514 PU A/C Condensor Motor 889 GY 3 Point Hitch Control 890 PU 3 Point Hitch Control Related Electrical Service Manuals Form Number Alternator: 8N-0999 Electric Starting Motor: 6T-0643 SENR3860 SENR7507 Power Train Control: SENR3454 Starting and Charging: SENR2947 Fire Suppression System: SENR3234 Title - - Resistor, Sender and Solenoid Specifications Part No. Component Description Resistance (Ohms)¹ 6T-2217 Resister: Starter Motor 150 ± 7.5 7N-7259 Solenoid: Start Aid 6 8T-8590 Solenoid: Nitrogen Actuator 3.95 ± 4.62 9G-1950 Resister: A/C Blower Motor Heater Blower Motor Overall 2.0 ± .1; Tap 1.0 ± .05 9G9988 Solenoid: Ripper Pin Puller 24.9 ¹ At room temperature unless otherwise noted.
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PLANO ELECTRICO BULLDOZER D9N CATERPILLA
Transcript of d9n - Plano Electrico
-
RENR9856
30Page
2005 Caterpillar
All Rights Reserved
Printed in U.S.A.
RENR9856
September 2005
D9N Tractor
Electrical System
1JD1687-UP
Component Location
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
Alarm - Backup F-9 F-11, R-11 Solenoid - Start Aid F-3 G-6, O-6
Alarm - Action D-8 H-10, Q-10 Starter F-2 D-6, Q-6
Alarm - Fire C-9 H-10, Q-10 Switch - Accessory D-8 G-10, O-10
Alternator E-2 E-4, Q-4 Switch - Backup Alarm E-8 G-9, Q-9
Batteries F-3, A-3 F-7, R-7 Switch - Blower E-8 G-9, Q-9
Breaker - Accessory B-3 F-6, N-6 Switch, Brake E-7 G-9, Q-9
Breaker - Alternator B-3 F-6, N-6 Switch - Discharge Pressure A-6 E-6, Q-6
Breaker - Blower C-6 H-7, P-7 Switch - Disconnect F-3 F-6, R-6
Breaker - Fire Suppression C-6 H-7, P-7 Switch - Dome Lamp B-8 G-8, P-8
Breaker - Key Start B-6 H-7, P-7 Switch - Engine Coolant Flow (EMS) C-1 D-3, O-3
Breaker - Main B-3 F-6, N-6 Switch - Engine Coolant Temp (EMS) C-1 E-6, Q-6
Breaker - Running Lamp C-6 H-7, P-7 Switch - Engine Coolant Temp (Start Aid) E-3 E-7, P-7
Control - Automatic Fire Suppression A-8 G-8, Q-8 Switch - Engine Oil Pressure (EMS) E-1 D-4, Q-4
Converter - 24/12 Volt D-8 H-10, Q-10 Switch - Engine Oil Pressure (Service Meter) E-1 D-4, Q-4
Gauge - Coolant Temperature B-6 H-7, P-7 Switch - Fire Detection C-2, C-3 F-7, P-7
Gauge - Hydraulic Oil Temperature B-5 H-7, P-7 Switch - Flood Lamp (Rear) D-6 H-7, P-7
Gauge - Power Train Oil Temperature B-6 H-7, P-7 Switch - Flood Lamp (Side) D-6 H-7, P-7
Horns - Forward F-2 F-2, Q-2 Switch - Forward Horn C-8 G-10, O-10
Meter - Service B-5 H-7, P-7 Switch - Fuel Pressure (EMS) F-9 G-9, S-9
Monitor - Fire Suppression E-7 H-7, P-7 Switch - Hydraulic Oil Temperature (EMS) A-9 G-9, N-9
Monitor - Operator (EMS) F-5 H-7, P-7 Switch - Key Start B-6 H-7, P-7
Motor - Washer Pump E-9 G-9, R-9 Switch - Neutral/Start F-7 G-9, Q-9
Motor - Wiper (Front) D-7 G-8, P-8 Switch - Nitrogen Actuator Pressure A-9 E-6, Q-6
Motor - Wiper (Left) E-7 G-8, P-8 Switch - Nitrogen Actuator Pressure C-9 G-10, O-10
Motor - Wiper (Rear) D-9 G-8, P-8 Switch - Operator Monitor Test (EMS) D-6 H-7, P-7
Motor - Wiper (Right) B-6 G-8, P-8 Switch - Power Train Oil Filter Pressure (EMS) E-9 E-11, Q-11
Motors - Blower F-7, F-8 G-9, R-9 Switch - Power Train Oil Filter Temp (EMS) E-9 E-11, Q-11
Relay - Main B-4 H-7, P-7 Switch - Power Train Oil Temp (EMS) D-3 D-8, P-8
Relay - Start B-4 H-7, P-7 Switch - Refridgerant Pressure (A/C) F-3 E-3, R-3
Resistor - Blower Motor Speed F-8 G-9, R-9 Switch - Ripper Pin Puller C-8 G-10, O-10
Resistor - Starter to Diag. Connector F-2 D-6, Q-6 Switch - Running Lamp E-6 H-7, P-7
Sender - Engine Coolant Temp (Guage) D-1 E-6, Q-6 Switch - Start Aid B-6 H-7, P-7
Sender - Hydraulic Oil Temp (Guage) B-9 G-9, N-9 Switch - Thermostat (A/C) F-7 G-9, R-9
Sender - Power Train Oil Temp (Guage) D-3 D-8, P-8 Switch - Wiper (Front) C-9 G-8, P-8
Solenoid - Air Conditioner Clutch E-9 E-9, Q-9 Switch - Wiper (Left) C-8 G-8, P-8
Solenoid - Engine Shutdown D-1 F-4, P-4 Switch - Wiper (Rear) C-9 G-8, P-8
Solenoid - Nitrogen Actuator C-9 G-10, O-10 Switch - Wiper (Right) C-8 G-8, P-8
Solenoid - Ripper Pin Puller D-9 F-11, O-11 Switches - Agent Pressure A-9 G-9, M-9
Connector Location
Connector NumberSchematic
Location
Machine
Location
CONN 1 F-9 F-1, N-1
CONN 2 A-8 G-7, P-7
CONN 3 B-8 G-8, O-8
CONN 4 F-8 G-9, Q-9
CONN 5 A-7 F-8, N-8
CONN 6 B-7 D-4, Q-4
CONN 7 C-7 J-8, O-8
CONN 8 C-7 J-8, O-8
CONN 9 D-7 J-8, O-8
CONN 10 E-7 F-8, Q-8
CONN 11 F-7 G-8, Q-8
CONN 12 C-6 H-7, P-7
CONN 13 F-6 G-7, P-7
CONN 14 E-4 F-7, P-7
CONN 15 F-4 F-7, P-7
CONN 16 F-4 F-7, P-7
CONN 17 A-3 G-6, P-6
CONN 18 D-3 F-7, Q-7
CONN 19 D-3 F-7, Q-7
CONN 20 F-3 F-7, Q-7
CONN 21 D-2 D-4, Q-4
CONN 22 E-2 D-4, Q-4
CONN 23 E-2 D-4, Q-4
CONN 24 F-2 F-2, Q-2
CONN 25 B-1 H-2, Q-2
CONN 26 F-1 H-2, O-2
CONN 27 Diagnostic Connector F-6 G-7, P-7
CONN 28 B-7 F-8, N-8
The connectors shown in this chart are for harness to harness connectors.
Connectors that join a harness to a component are generally located at or near
the component. See the Component Location Chart.
14 13 1112 10 9 8 7 6 5 4 3 2 1
14 13 1112 10 9 8 7 6 5 4 3 2 1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
A AA
1
2
325-PK-14
200-BK-14
T
Ground (Case): This indicates that the component does not have a wire connected to ground.It is grounded by being fastened to the machine.
Ground (Wired): This indicates that the component is connected to a grounded wire. Thegrounded wire is fastened to the machine.
105-9344
T
Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). Thecircle indicates that the component has screw terminals and a wire can be disconnected from it.
Pin Socket Fuse
ComponentPart Number
Pin or Socket Number
Receptacle
Plug
Wire Gauge
Wire, Cable, or HarnessAssembly Identification
Wire Color
Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.).No circle indicates that the wire cannot be disconnected from the component.
Single WireConnector
Circuit NumberIdentification
Ground Connection
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
Circuit Breaker
Symbol
Reed Switch: A switch whose contacts are controlled by a magnet. A magnet closes thecontacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
Sender: A component that is used with a temperature or pressure gauge. The sendermeasures the temperature or pressure. Its resistance changes to give an indication tothe gauge of the temperature or pressure.
Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity.It has a coil that makes an electromagnet when current flows through it. Theelectromagnet can open or close the switch part of the relay.
Solenoid: A solenoid is an electrical component that is activated by electricity. It has acoil that makes an electromagnet when current flows through it. The electromagnetcan open or close a valve or move a piece of metal that can do work.
Harness And Wire Symbols
Electrical Schematic Symbols And Definitions
1 1
2 2
Typical representation of a Sure-Sealconnector. The plug and receptaclecontain both pins and sockets.
Typical representation of a Deutschconnector. The plug contains allsockets and the receptacle containsall pins.
Symbols
Symbols And Definitions
Fuse - A component in an electrical circuit that will open the circuit if too much current flowsthrough it.
MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is
activated by electricity and held latched by a permanent magnet. It has two coils (latch and unlatch)
that make electromagnet when current flows through them. It also has an internal switch that places
the latch coil circuit open at the time the coil latches.
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
3T-9342 Fire Suppression Agent2270 kPa Max
(328.0 psi Max)
1655 138 kPa
(240.5 20.0 psi)Normally Open
6T-6085 Fire Suppression Nitrogen Actuator1930 138 kPa
(279.5 20.0 psi)
1655 138 kPa
(240.5 20.0 psi)Normally Open
7N-9560 Power Train Oil Temperature (EMS)129.4 2.8C
(265 5F)
118.3C Min
(245F Min)Normally Closed
7N-9785 Engine Coolant Temperature107.2 2.8C
(225 5F)
91.0C Min
(196F Min)Normally Closed
7T-4371 Fire Suppression Discharge Pressure93 21 kPa
(13.5 3.0 psi)
69 21 kPa
(10.0 3.0 psi)Normally Closed
7T-4785 Fire Suppression Pressure193.3 8C
(380 14.4F)Normally Open
8N-1693 Engine Coolant Temperature Start Aid37.8 2.8C
(100 5F)
26.7C Min
(80F Min)Normally Closed
9G-1300 Hydraulic Oil Temperature (EMS)110.0 2.8C
(230 5F)
101.7C Min
(215F Min)Normally Closed
9G-3341 Power Train Oil Temperature Filter (EMS)51.7 2.8C
(125 5F)
43.0C Min
(110F Min)Normally Closed
9W-3187 Fuel Pressure (EMS)93 21 kPa
(13.5 3.0 psi)
69 21 kPa
(10.0 3.0 psi)Normally Closed
With increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with decreasing pressure the closed condition can be maintained
down to 170 kpa (25psi).
Contact postion at the contacts of the harness connector.
Wire Description
Wire
NumberWire Color Description
Wire
NumberWire Color Description
Power Circuits
101 RD Bat (+) 515 GY Blower Motor (HI)
102 BU Hd Lmp 516 GN Blower Motor (Medium)
103 YL Dome/Dash Lamp/Park, Tail Lamp 517 BU Blower Motor (Low)
105 BR Key Sw 518 OR Hazard Flasher to Switch
106 WH Main Power Relay/Input 519 PK Thermostat to Dryer Pressure Switch
107 WH Engine Shutdown 520 WH Opr A/C Swith to Thermostat
108 BU Misc Wiper, Dome Lamp, Cigar Lighter 521 YL A/C SW To Refrigerant SW
109 OR Alt Output (+) Term. 522 WH A/C Compressor To Thermostat Switch
110 GN Windshield Wiper Sw. (Right) 523 BR Windshield Wiper - Left (Park)
111 YL Windshield Wiper Sw. (Left) 524 BU Windshield Wiper - Left (Low)
112 PU Main Power Rly Output 525 GY Windshield Wiper - Left (HI)
113 OR Opr Mon Panel B (+) Switched 526 YL Windshield Wiper - Right (Park)
114 GN Warning Horn (Forward) 527 GN Windshield Wiper - Right (Low)
115 PK Flood Lamp (Front) 528 PK Windshield Wiper - Right (HI)
116 BR Flood Lamp (Rear) 529 WH Windshield Washer - Left
117 YL Flood Lamp (Side) 530 OR Windshield Washer - Right
118 GY Windshield Wiper Sw. (Front) 531 WH Fire Warning Horn
119 PK Windshield Wiper Sw. (Rear) 532 WH Fire Warning Lamp
120 YL Converter (24V to 12V) 533 OR Heat Sensor/Test Switch
121 YL Backup Alarm/Lamp/Travel Alarm Timer 534 WH Heat Sensor/Test Switch
122 BU Air Dryer 535 BU Travel Alarm Timer Pressure Switch
123 WH Gauges 536 OR Travel Alarm Timer Manual Override
124 GN A/C 537 GR Turn Signal Switch to Flasher
125 OR Fuel Transfer Pump 538 BR Hazard Indicator
126 PK Transmission Control 539 BU Turn Signal Indicator Basic/Right
127 OR Cab Flood Lamp 540 WH Turn Signal Indicator Left
128 PK Aux Ckt 541 GN Accessory 1
129 BU Aux Ckt 542 BU Accessory 2
130 GN Stop Lamp
131 BR Fire Control - Operator Warning 553 YL Pitch Solenoid to Trigger Switch - Dual Tilt
132 PK Antispin Control 554 PK Momentary Sw to Single Tilt Sol - Dual Tilt
133 OR Programmed Electronic Eng Cont Solenoid 557 YL Trailer Connector (Left Turn/Hazard)
134 PK Programmed Electronic Eng Cont Logic 558 GN Trailer Connector (Right Turn/Hazard)
135 BU AM/FM Radio 567 WH A/C Switch Jumper
136 GN Supplemental Steering 569 PK A/C Switch Jumper
137 RD Steering Motor Indicator 579 BR A/C Blower Motor #1
138 GN Automatic Lube Pump 580 OR A/C Blower Motor #2
141 PK Auxiliary Heater
146 GY Accessory Switch 1 600 BR Dash Basic
147 PU Accessory Switch 2 601 GY Dash High
148 WH A/C Switch 602 WH Dome
153 WH 3 PT. Hitch Control 603 PK Rotary Beacon
154 WH A/C 604 OR Stop
172 GN Hazard Fuse to Flasher 605 YL Turn Left
174 PK Customer Add-Ons 606 GY Turn Right
175 PK Trailer Turn/Hazard 607 PK Flood Front
176 OR Crankcase Guard - Pump Motor 608 GN Flood Rear
177 OR Main Breaker 609 YL Flood Side
178 GN Main Breaker 610 OR Head Lamp Basic
Ground Circuits 611 PU Head Lamp High
200 BK Main Chassis 612 GY Backup
201 BK Operator Monitor Panel 613 PK Liceanse Plate
203 BK Chassis Diagnostic 614 PU Park/Tail/Dash
209 BK Fire Suppression System 615 YL Cab Flood/ROPS
Basic Machine Circuits 616 BU Bucket Flood
301 BU Starter No. 1 Solenoid to Resistor 617 BR Tail/Pos Lamp - Left (Roading Package)
302 OR Starter No. 1 Diag/Res to Diagnostic 618 YL Tail/Pos Lamp - Right (Roading Package)
304 WH Starter Relay No. 1 Output 619 GR Head Lamp Low
306 GN Starter Relay Coil/Neutral Start Switch 620 WH Flood - Front (Attach) (Engine Flood Lamp)
307 OR Key Switch to Neutral Start Switch 622 PU Flood Lamp 3 Way Switch Jumper
308 YL Main Power Relay Coil 623 BU Flood Lamp 3 Way Switch Jumper
310 PU Ether Switch To Ether Solenoid 624 YL Flood Lamp Bowl
311 WH Ether Solenoid To Temperature Switch 625 BK Courtesy Lamp
312 PK Starter No. 2 Solenoid to Resistor 630 GY Flood Rear (Attach)
313 GY Starter No. 2 Diag/Res to Diagnostic 635 BR Turn Signal Common
314 PU Starter Relay No. 2 Output 635 BU Payload Monitor Red Light
320 OR Horn Relay Coil to Switch 636 GN Payload Monitor Amber Light
321 BR Bckp Alarm
322 GY Warning Horn (Forward) 700 PK Antispin Test Switch
323 WH Fuel Transfer Pump Power 702 OR Transmission Brake Switch Jumper
324 BU Differential Lockup Solenoid 703 BU Transmission Up Solenoid
325 PK Fuel Pump Relay Oil Pressure Switch 704 GY Transmission Down Solenoid
326 PU Key Switch "C" Terminal 705 PK Transmission Lockup Clutch Solenoid
327 PK Shutdown Solenoid 706 BR Transmission Retarder Switch
328 OR Shutdown Module "Off" 707 PU Transmission Bed Raise Switch
Monitoring Circuits 708 YL Transmission Hold Switch
400 GN Servicemeter Switch 709 OR Transmission Pickup Power
403 GN Alternator (R) Terminal 710 GN Transmission Speed Pickup Signal
404 YL Operator Mon Panel Hydraulic Oil Temp 711 BR Transmission Lever Code 1
Accessory Circuits Cont'd
Power Distribution Circuits
Lighting Circuits
Control Circuits
405 GY Operator Mon Panel Oil Press. (Low Setting) 712 WH Transmission Lever Code 2
406 PU Operator Mon Panel Coolant Temperature 713 OR Transmission Lever Code 3
407 PK Operator Mon Panel Conv/Retarder Oil Temp 714 YL Transmission Lever Code 4
408 WH Operator Mon Panel Brake Pressure (Air) 715 GN Transmission Lever Code 5
409 OR Operator Mon Panel Neutral 716 BU Transmission Lever Code 6
410 WH Operator Mon Panel Action Alarm 720 PU Transmission Brake Switch
411 PK Operator Mon Panel Master Fault Lamp 721 BR Transmission Gear Code 1
412 BU Operator Mon Panel Coolant Lamp 722 WH Transmission Gear Code 2
413 BR Operator Mon Panel Fuel Pressure 723 OR Transmission Gear Code 3
414 PK Operator Mon Panel Low Fuel 724 YL Transmission Gear Code 4
415 GN Operator Mon Panel Test Switch 725 GN Transmission Gear Code 5
416 OR Secondary Steering Switch 726 BU Transmission Gear Code 6
417 GY Primary Steering Switch 727 GN Steering Motor Relay
418 YL Operator Mon Panel Oil Press. (High Setting) 728 BU Supplemental Steering Control Switch
419 YL Operator Mon Parking Brake 733 BR Switching Gear Code 1 Front
420 OR Opr Mon Panel Fuel Filter/Low Accum Press 734 WH Switching Gear Code 2 Front
421 BU Operator Mon Panel Fault Lamp (Scraper) 735 OR Switching Gear Code 3 Front
422 YL Operator Mon Warning Horn (Scraper) 736 YL Switching Gear Code 4 Front
423 GY Operator Mon Panel Test Switch (Scraper) 737 GN Switching Gear Code 5 Front
424 GY Operator Mon Panel P/T Temperature 738 BR Switching Gear Code 1 Rear
425 PK Operator Mon Panel P/T Oil Level 739 WH Switching Gear Code 2 Rear
426 BR Operator Mon Panel P/T Oil Filter 740 OR Switching Gear Code 3 Rear
427 GN Operator Mon Panel P/T Oil Filter Jumper 741 YL Switching Gear Code 4 Rear
428 OR Operator Mon Panel XSMN Oil Temperature 742 GN Switching Gear Code 5 Rear
429 YL Operator Mon Panel Brake Oil Temperature 743 PU Switching Neutral/Run Switch
431 GN Opr Mon Panel Low Transfer Pump Press 744 BU Switching Up Solenoid
432 PK Operator Mon Panel Brake Pressure (Oil) 745 GY Switching Down Solenoid
433 BU Opr Mon Panel Brake Press (Oil) Jumper 746 PK Switching Synchronize Solenoid
434 BU Operator Mon Panel P/T Temp Jumper 747 WH Switching No Synchronize Solenoid
435 YL Operator Mon Panel P/T Temp Jumper 756 WH Transmission Lockup Clutch Solenoid
436 OR Opr Mon Panel Fuel P/T Oil Filter Jumper 761 GY Lift Kickout Solenoid Switch
437 BR Opr Mon Panel Fuel Lvl to Fuel Filter Jumper 762 YL Bucket Positioner Solenoid Switch
438 YL Operator Mon Panel Coolant Temp Jumper 763 BU Torque Converter Solenoid
440 BR Air Pressure Gauge 764 PU Supplemental Steering Control Switch
441 OR Eng Coolant Temp Gauge 765 OR Apron Solenoid (Scraper)
442 GY Hyd System Temp Gauge 767 WH Antispin Pickup Power
443 YL Power Train Temp Gauge 768 OR Antispin Pickup Transmission
444 BU Conv/Retarder Oil Temp Gauge (Tractor) 769 BU Antispin Pickup Left
445 GN Conv/Retarder Oil Temp Gauge (Scraper) 770 GN Antispin Pickup Right
446 PU Brake Oil Temperature Gauge 771 PU Antispin Service Brake Switch
447 PK Fuel Level Gauge 772 BR Antispin Retarder Switch
449 BU Speedometer Sender (Signal) 773 GY Antispin Servovalve
450 YL Tachometer Sender (+) 774 YL Antispin Solenoid - Left
451 BR Tachometer Sender (-) 775 BR Antispin Solenoid - Right
452 PU Torque Converter 779 WH Coupler Disengage Solenoid
453 PK Secondary Steering Fault Lamp 780 PU Coupler Engage Solenoid
454 GN Retarder Indicator Lamp 794 YL Payload Monitor Transmission Pickup
455 YL Converter Temp Switch to Time Delay 799 WH Payload Monitor Sensor Power
456 BR Monitor Panel PTO 803 BU Auto Fire System Power Switch
457 PU Monitor Panel Ground Speed Sender 805 PK Auto Fire Brake Switch
458 PK Monitor Panel +V 807 BR Auto Fire Nitrogen Switch
459 PK Monitor Panel Implement Position 808 PU Auto Fire Nitrogen Switch
460 BU Monitor Panel Program Pin 809 GN Auto Fire System Warning
463 YL Sensor Present 810 BU Auto Fire System Failure
464 GY Monitor Panel Engine Oil Pressure Sensor 811 GY Fire Test
466 WH Monitor Panel Steering Oil Temperature 812 GN Fire Nitrogen Actuation Solenoid
469 GN Fuel Level Sender +V 813 PK Agent Cylinder Switch (2)
470 PU Cane Switch Neutral 816 BR Auto Fire Alarm
Accessory Circuits 818 BR Payload Monitor Serial Data (TX)
500 BR Windshield Wiper - Front (Park) 820 BU Payload Monitor Serial Data (RX)
501 GN Windshield Wiper - Front (Low) 858 GY Payload Monitor Right Front Signal
502 OR Windshield Wiper - Front (HI) 859 YL Payload Monitor Left Front Signal
503 BR Windshield Wiper - Rear (Park) 860 PK Payload Monitor Right Rear Signal
504 YL Windshield Wiper - Rear (Low) 861 PU Payload Monitor Left Rear Signal
505 BU Windshield Wiper - Rear (HI) 863 BU Payload Monitor Trans LCD Out
506 PU Windshield Washer - Front 864 BR Payload Monitor Clock LCD Out
507 WH Windshield Washer - Rear 865 GY Payload Monitor Latch LCD Out
508 PU Radio Speaker - Left 866 PK Payload Monitor Test/Set
509 WH Radio Speaker - Left (Commom) 867 PU Payload Monitor Calibrate
510 YL Windshield Washer - Primer 870 OR 3 Point Hitch Control
511 BR Radio Speaker - Right 871 BU 3 Point Hitch Control
512 GN Radio Speaker - Right (Common) 872 YL 3 Point Hitch Control
513 OR A/C Compressor 888 PK 3 Point Hitch Control
514 PU A/C Condensor Motor 889 GY 3 Point Hitch Control
890 PU 3 Point Hitch Control
Related Electrical Service Manuals
Form Number
Alternator: 8N-0999
Electric Starting Motor: 6T-0643 SENR3860
SENR7507
Power Train Control: SENR3454
Starting and Charging: SENR2947
Fire Suppression System: SENR3234
Title
-
-
Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)
6T-2217 Resister: Starter Motor 150 7.5
7N-7259 Solenoid: Start Aid 6
8T-8590 Solenoid: Nitrogen Actuator 3.95 4.62
9G-1950 Resister:A/C Blower Motor
Heater Blower MotorOverall 2.0 .1; Tap 1.0 .05
9G9988 Solenoid: Ripper Pin Puller 24.9
At room temperature unless otherwise noted.
-
RENR9856
30Page,Color2
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GROUND CIRCUIT.
MONITOR CIRCUIT.
FIRE PROTECTION CONTROL CIRCUIT (1).
HEATER AND AIR CONDITIONER CIRCUIT.
TURN SIGNAL/WIPER/WASHER CIRCUIT.
WIRE GROUP COLOR DESCRIPTIONS
BBB
N
1 2
177-OR-14
N
X
XX
X
QQ
Q
608-G
N-1
4
H
418-WH
J
S
D
D
D
F QQ
QQ
F
D
QQF
QD
B
D-3006Y6584BBB
E-9007T5181AAA
H
H
H H
H
H
H
H
D
D
D
D
101-RD-6
812-GN
101-RD-6
D
101-RD-4
209-BK
D-9
9W5750
9W7709
01
9W7185
9W6138
9W7187
9W3076
03
9W7086
E-79W7012
9W3623
B-49W4736SS
F-99G6259L
109-OR-4
113-OR
177-OR-6
E-2
9W2176
7C5287
E-29F4337
THIS SCHEMATIC IS FOR THE D9N ( 8T9723 CHG 01 )
A-1/F-1RR
U
B-1/F-16T6112T
9W9472
A-3/F-2
3T1729ZZ
NOTE C: NORMALLY OPEN BEFORE INSTALLATION
7T7778
7G0530YY
6T0463
8P6264
8M4969
F-32V6166
7G0535
8W1060
D-5
D-5
B-7
D-9
C-9
E-7
C-5
E-4
E-4
NOTE B: FUSES 10A-3K8782 15A-8M8948
F-27T7777HH
A-83W1569Z
C-27T5570Y
7T5569R
9W0179
7T9218
7T9222
7T6055
F-3VV
7T5568
7T7628
7T8629
D-6
CABLE AS.
F-3NN
A-3FF
A-3EE
DD
F-3CC
A-3/F-3BB
F-3AA
B-79G7285TT
PP
D-63T2524MM
00LL
KK
JJ
WIRE AS.
E-6
3T6373
D-9
C-7
C-7
B-7
D-39G5530
F-8
F-7
F-4
A-8
3T7147
F-2
QQ
GG
X
W
S
Q
P
N
M
K
J
H
G
F
E
D
C
B
E-2A
HARNESS AS.
LOCPART NO.IDENT
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
AND XMSN SHIFTER IN NEUTRAL
CIRCUIT GROUPING
DESIGNATION#L
ATCH WIRE, CABLE,
COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLUE
GREEN
BU
GN
RD
WH
OR
YL
PK
BK
BLADE, SPADE, RING,
OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
TO MACHINE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
1
C
B
A
233 2 1
A
B
C
13 2
F
E
D
3 2 1
F
E
D
4566 5 4
6 5 46 5 4
7899 8 7
C
B
A
C
B
A
D
9 8 79 8 7
E
FF
E
D
N
3
4
5
2
1
BLOWER SW
6P3236
OR
GRN
BLU
BLK
RED
108-B
U-1
4
FUEL SW
9W3187
321-BR
200-BK
3
4
U
U
NN
NEUT/START SW
9W1581
306-GN
307-OR
306-GN
307-OR
2
1
H
ACCESSORY SW
7N8000
174-P
K-1
0
15A
633-BU-10
146-G
Y-1
0174-P
K-1
0
174-P
K-6
24V TO 12V
CONVERTER
9G6981
114-GN
200-BK
RD-18
BK-18 2
1
WH/RD-18
WH/BK-18
3
2
1
+ BATTERY
GROUND
+12 VOLT
GROUND
BK
BR-18
BU-18 +V (IN)
ALERT
ALARM
TEST
SYS FAIL
GY-18
PU-18
OR-18
GN-18
BK-18
+ BATTERY
GROUND
7
6
5
4
3
2
1
816-BR
BK
BRAKE SW
7T5958
POWER TRAIN
FILTER SW
(NOTE C)
3T9343
ZZ
N
ACTION
ALARM
9G9813
2
1 410-WH
201-BK
RD
BK
5
4
3
2
1
200-B
K-1
4
D
200-BK-14
D
420-OR
410-WH
177-OR-6
R
BLOWER
9G8697
3
201-BK
G
516-GN-14
517-BU-14
RESISTOR
CONN 1
9G1950
THERMOSTAT SW
7T9277
WASHER
PUMP
9G8963
200-B
K
200-B
K
200-B
K-1
4
510-Y
L-1
4
MOTOR
LEFT
WIPER
6T6216
FRONT
WIPER
6T6216
REAR
WIPER
6T6216
GN
GY
BR
OR
4 231
H
L
MOTOR
~T
GN
GY
BR
OR
4 231
H
L
MOTOR
~T
GN
GY
BR
OR
42 3 1
H
L
MOTOR
~T
200-BK-14
K
810-BU
516-G
N-1
4
516-GN-14
516-GN-14
522-WH-14
4522-WH-14 522-WH-14
522-WH-14
L
410-WH
W
2
1
KK
K
H
J J H
H
H
X
D
P
P
P
BACKUP
ALARM SW
7G9703
OPERATOR
STATIO
N
OPERATOR STATION
RIPPER
FLOOD
LAMP
6N7989
RIPPER
PIN PULLER
9G9988
803-BU
805-PK
803-BU
805-PK
109-OR-4AIR
CONDITIONER
CLUTCH
SOLENOID
7N4287
FIRE
SUPPRESSION
MONITOR
6T5618
803-BU
809-GN
811-GY
209-BK
113-OR
200-BK-14
124-GN-14
521-YL-14
3
1
2
124-G
N-1
4
521-Y
L-1
4
POWER TRAIN
FILTER SW
9G3341
442-GY
442-G
Y
608-G
N-1
4
608-GN-14
426-BR
404-YL
404-Y
L
201-B
K
201-BK
321-BR
121-YL
413-BR
513-OR-14201-BK
201-BK
426-B
R
426-B
R
504-Y
L-1
4
503-B
R-1
4
108-B
U-1
4
505-B
U-1
4
108-B
U-1
4
502-O
R-1
4
501-G
N-1
4
500-B
R-1
4
2
1
108-BU-14
102-BU-14
608-G
N-1
4
21
780-P
U
779-W
H
3 142
BK
BK
WH
WH
608-G
N-1
4
525-G
Y-1
4
524-B
U-1
4
523-B
R-1
4
2
1
2
1
321-BR
200-BKBK/PK
BK/PK
521-YL-14
515-GY-14
517-BU-14
124-GN-14
21
522-W
H-1
4
513-O
R-1
4
200-BK-14
201-BK
413-BR
FLOOD
LAMP
9W1279
BACKUP
ALARM
3T1815
608-GN-14
2
1 121-YL
321-BRBK-14
BK/PK-14
515-G
Y-1
4
517-B
U-1
4
200-BK-14
515-GY-14
517-BU-14
BLOWER
9G8697
515-GY-14
515-GY-14
200-BK-14
WH/RD-14
BK-142
1WH/RD-14
BK-14
~T
MOTORMOTOR
~T
NITROGEN
ACTUATOR
SOLENOID
8T8590
B
N
200-BK
174-P
K-6200-B
K
808-PU
BK
816-BR
816-BR
209-BK
FIRE
ALARM
9G9813
RD
BK
2
1
808-PU
BK
BK
816-BR
816-BR
107-WH
107-W
H
327-P
K
327-PK
209-BK
209-B
K
807-B
R
807-BR
808-PU
808-PU
BK
BK
BKB
608-GN-14
3
21
102-BU-14
R
Z
USE WIRE AS. Z WITH
ONE AGENT CYLINDER
814-YL
814-YL
N
200-B
K200-B
K5
R IPPER PIN
PULLER SW
9G0011
AGENT SW
3T9342
AGENT SW
3T9342
BK
G
813-PK2
1BK
200-B
K
510-Y
L-1
4
200-B
K-1
4
510-Y
L-1
4
510-Y
L-1
4510-Y
L-1
4
510-Y
L-1
4
510-Y
L-1
4OFF
(KEY)
ALERT
SYS
FAIL
FIR
ETEST
SHUTDN
ID
+BATTERY
GROUND
SHUT
DN
SOL
START
(KEY)
DSCH
PR
+
DSCH
PRESS.
DETECT
OUT
DETECT
IN
ACT.SOL
DSCH
PR
MON
SYS
PRESS.
BRAKE
+BAT
OUT
DETECT
OUT
DETECT
IN
11
20
19
18
17
16
15
14
13
12
10 9 87 6 5 432 1
326-P
U
326-PU
G
5
4
3
6
7
1
811-GY
810-BU
809-GN
803-BU
209-BK
W
G
G
G
G
Q
S
GG
GG
GG
GG
Q Q
PP
TT
N
OPERATOR STATION
114-GN
1 2 3779-W
H
780-P
U
201-B
K
114-G
N
322-G
Y
410-W
H2 4 13
201-B
K
114-G
N
322-G
Y
410-W
H
FORWARD
HORN SW
3T2357
410-WH
201-BK
322-GY
114-GN
779-WH
780-PU
114-G
N
779-W
H
780-P
UN ITROGEN
ACTUATOR SW
6T6085
813-PK
812-GN
209-BK
813-PK
2
1
BK
2
1
NITROGEN
ACTUATOR SW
6T6085
FIRE
SUPPRESSION
CONTROL
6T5619
803-BU
2
1BK
BK 2
1
805-PK
803-BU
4
1
5
3
2
813-PK
812-GN
209-BK
328-OR
803-BU
HYDRAULIC
SENDER
8N3844
HYDRAULIC SW
9G1300
FLOOD
LAMP
9W1279
608-G
N-1
4
201-BK
201-B
K
404-Y
L
404-YL
442-G
Y
442-GY
DOME
LAMP
7N9943DOME
LAMP SW
7N8000
108-BU-14108-BU-14108-BU-14108-BU-14
REAR
WIPER SW
3T6655
RIGHT
WIPER SW
3T6655
LEFT
WIPER SW
3T6655
FRONT
WIPER SW
3T6655
328-O
R
306-GN
534-WH
534-WH
533-OR
533-OR
812-G
N
811-G
Y
810-B
U
809-G
N
803-B
U
803-B
U
328-O
R
805-P
K
803-B
U
306-G
N
534-W
H
534-W
H
533-O
R
533-O
R
108-B
U-1
4
505-B
U-1
4
504-Y
L-1
4
503-B
R-1
4
108-B
U-1
4
102-B
U-1
4
526-Y
L-1
4
527-G
N-1
4
528-P
K-1
4
108-B
U-1
4
46538712
523-B
R-1
4
524-B
U-1
4
525-G
Y-1
4
108-B
U-1
4
108-B
U-1
4
502-O
R-1
4
501-G
N-1
4
500-B
R-1
4
3 4 5 6 7 2 1 9 8 10
102-BU-14
102-BU-14
526-YL-14
527-GN-14
528-PK-14
108-BU-14
523-BR-14
524-BU-14
525-GY-14
108-BU-14
108-BU-14
502-OR-14
501-GN-14
500-BR-14
B
WP
LHB
B
WP
LHB
B
WP
LHB
B
WP
LHB
~T
~T
610-O
R
B
A
A
177-OR-6177-OR-6
307-OR
307-OR
307-OR
306-GN
306-GN
307-O
R
306-G
N
HD
2
1 306-GN
D
610-O
R
109-OR
101-RD
B D
2
3
1
102-BU-14
177-OR-14
W/O HARNESS R CONNECT
OPERATOR MONITOR 113-OR
TO FUSE
D
R
114-GN
200-BK-14
PANEL
LAMP
7N5876
PANEL
LAMP
7N5876
413-BR413-BR
MM
177-OR-6
FUSE
(NOTE B)
116-BR-14
E
E
E
E
203-BK-14
201-B
K
201-B
K
201-B
K
201-BK
D
522-WH-14
522-WH-14
5
4
2 1
KK
LL
MM
QQ
HD
BD
DD
OPERATOR STATION
4
13
17
3
5
23
15
6
12
8
14
21
20
16
11
7
18
22
10
1
25
19
2
24
9
1
10
15
14
11
6
13
8
7
4
9
12
3
5
2
121-YL
201-BK
404-YL
426-BR
442-GY
513-OR-14
608-GN-14
200-BK-14
521-YL-14
124-GN-14
321-BR
201-BK
513-OR-14
121-YL
201-BK
404-YL
426-BR
442-GY
608-GN-14
321-BR
200-BK
200-BK-14
521-YL-14
124-GN-14
GAGE PANEL
MOUNTING BOLT
DIA
GNOSTIC
CONNECTOR
OPERATOR
MONITOR
3T9100
FUSE HOLDER
4K5122
15A
RUNNING
LAMP SW
7N8005
REAR FLOOD
LAMP SW
7N8000
SIDE FLOOD
LAMP SW
7N8000
415-G
N
411-P
K
112-PU-14
201-B
K
200-B
K-1
4
102-B
U-1
4
121-YL
608-GN-14
608-G
N-1
4
609-Y
L-1
4
OPERATOR
MONITOR
TEST SW
7N8000
MASTER
ACTION
LAMP
7N1996
201-B
K
201-BK
F
610-OR-14
200-BK-8
200-BK
201-BK
200-BK
200-BK
200-B
K
600-BR
600-B
R
609-YL-14
D
D
D
FORWARD HORN
D
116-BR-14
121-YL
108-BU-14
123-WH
113-O
R
113-OR
POWER
POST
9G8451
112-P
U-1
4
F IRE MON
112-P
U-6
REAR FLOODS
SIDE FLOODS
BACKUP ALARM
WIPERS
GAGES
OPERATOR MONITOR
KK
112-PU-14
KK
112-PU-14
112-PU-14
112-PU-14
112-PU-14
10A
D
10A
10A
10A
10A
10A
420-OR
109-OR-4
415-GN
411-PK
113-OR
201-BK
201-BK
201-BK
201-BK
410-WH
424-GY
405-GY
403-GN
412-BU
406-PU
426-BR
413-BR
404-YL
306-G
N
304-W
H
314-P
U
112-P
U
308-Y
L
313-G
Y
302-O
R
207-B
K
311-W
H
203-B
K-1
4
306-GN
313-GY
207-BK
302-OR
314-PU-8
304-WH-8
200-BK-8
203-BK-14
107-WH-14
610-OR-14
310-PU
311-WH
403-GN
412-BU
406-PU
405-GY
424-GY
201-BK
301-BU
304-W
H-8
107-W
H-1
4
314-P
U-8
443-Y
L
400-GN
441-O
R
M
441-OR
443-YL
114-GN
609-YL-14
306-GN
304-WH
314-PU
112-PU
308-YL
313-GY
311-WH
302-OR
207-BK
203-BK
101-RD
105-BR
109-OR
16
20
15
6
4
14
12
8
13
11
2
7
3
17
18
19
1
5
9
310-PU10
PWR TN FLTR
PWR TN TEMP
COOL FLOW
COOL TEMP
+ BATTERY
GROUND
ALTERNATOR
HYD TEMP
ENG OIL PR
ALARM
LAMP
FUEL PR
TEST
ENG OIL PR
11
20
19
18
17
16
15
14
13
12
10
9
8
7
6
5
4
3
2
1
101-RD-6
101-RD-6
101-RD-4
301-BU
521-YL-14
513-OR-14
521-YL-14
513-OR-14
201-BK
226-BK
327-P
K
426-BR
413-BR
404-YL
121-YL
608-GN-14
442-GY
124-GN-14
201-BK
200-BK-14
410-WH
426-BR
413-BR
404-YL
121-YL
608-GN-14
442-GY
124-GN-14
201-BK
200-BK-14
410-WH
418-WH
M
203-BK-14
310-PU
304-WH-8
207-BK
302-OR
311-WH
107-WH-14
306-GN
610-OR-14
200-BK-8
403-GN
412-BU
406-PU
405-GY
424-GY
201-BK
400-GN
441-OR
114-GN
609-YL-14
443-YL
SERVICE
METER
6T7337
SS
200-BK
610-O
R
610-O
R
610-OR
177-OR-6105-B
R
307-O
R
307-O
R
177-O
R-6
177-O
R-1
4
177-O
R-1
4177-OR-14
177-OR-14
177-OR-6
177-OR-6
177-OR-6
RD
RDDISCHARGE SW
7T4371
RIGHT
WIPER
6T6216
GN
GY
BR
OR
4 231
H
L
MOTOR~T
326-P
U
D
G
F
D
P
OPERATOR
STATIO
N
OPERATOR STATION
328-OR
328-OR
803-BU
803-BU
BK
BK
1
4
3
2
526-Y
L-1
4
527-G
N-1
4
528-P
K-1
4
108-B
U-1
4310-PU
105-BR
310-PU
15A
15A
15A
10A
124-GN-14
441-OR
443-YL
200-B
K
102-BU-14
102-BU-14
BLOWER
BREAKER
6N8589
RUNNING
LAMP
BREAKER
3T2662
FIRE
SUPPRESSION
BREAKER
6N8589
KEY
BREAKER
9G9487
107-W
H-1
4
START
AID SW
3T3453
310-P
U
KEY SW
9G7641
308-Y
L
308-Y
L
105-B
RST
ON
OFF
B S C R
1423
200-BK
403-GN
442-G
Y
123-W
H
LAMP
7N5876
LAMP
7N5876
LAMP
7N5876
COOLANT
TEMP GAGE
4W0483
HYDRAULIC OIL
TEMP GAGE
4W1129
POWER TRAIN
TEMP GAGE
4W0485
200-BK
123-WH
441-O
R
443-Y
L
123-W
H
IGN
SEND
GND
IGN
SEND
GND
IGN
SEND
GND
-+
107-W
H-1
4
314-P
U-8
304-W
H-8
308-Y
L
112-P
U
314-P
U
306-G
N
304-W
H
START
RELAY
9F3099
314-PU-8
314-PU
306-G
N
306-GN
304-WH-8
304-WH
MAIN
RELAY
3T0376
200-BK-14
308-Y
L
308-YL
112-PU-6 112-PU
521-YL-14
226-BK
A
COOLANT
SENDER
6N5926
ENGINE
SHUTDOWN
SOLENOID
8C5481
STARTER
6T0643
JJ
109-OR-4
BK-4
W/ATCH HEAD
LAMP REPLACE
WIRE AS. RR
WITH HARNESS T
T
RR
C
21
200-B
K
610-O
R-1
4
200-B
K
HEAD
LAMP
9W1282
C
200-B
K21
610-O
R-1
4
209-B
K
REFRIGERANT SW
(NOTE A)
9D6888
BUS BAR
9W0742
FLOOD
LAMP
9W1279
EEYYB
2
1
609-Y
L-1
4
2
1
3
12V BATTERY
9G4247
12V BATTERY
9G4247
FF
200-B
K-1
4
200-BK-14
200-B
K-1
4
200-B
K-1
4
HH
AUX START
RECEPTALCE
DISC SW
7N0719
A
200-B
K
B
2
1 327-PK-14
MG
PP
21
ALTERNATOR
8N0999
NN
DD
VV
CCBBAA
H
B
C
A
A
A
B
B
B
B
B
BB
107-W
H
3
4
5
2
1
31 22341
8
2
1
4
5
7
6
9
3
322-G
Y
410-W
H
201-B
K
114-G
N
306-G
N
107-W
H-1
4
327-P
K-1
4
201-BK
322-GY
610-OR-14
200-BK
203-B
K-1
4
200-BK-8
POWER
TRAIN SW
7N9560
POWER
TRAIN
SENDER
6N5926443-Y
L
201-B
K
424-G
Y
~T
~T
609-YL-14
201-BK
424-GY
443-YL
200-BK
311-WH
418-WH
410-WH
513-OR-14
START AID
SOLENOID
7N7259
COOLANT SW
8N1693
310-P
U
311-WH
BK-1
8
BK-1
8
~T
609-YL-14
200-B
K
322-G
Y
306-G
N
BK-00
BK-00
TO
FRAME
BK-0
0
BK-00BK-00
RD-00
NEGPOSNEGPOS
TO
ENGINE
2
1
302-OR
304-WH-8
207-BK
RESISTOR
6T2217
302-OR
BK-0
0
RD-0
0
BK-6
207-B
K
BK-0
0
BK-0
0 304-W
H-8
RD-0
0
RD-0
0
301-B
U
G S
MTR BAT
MOTOR
ENGINE
OIL SW
6T4949
405-GY
AAA
403-GN
406-PU
441-OR
412-BU
403-GN
FORWARD
HORN
7T0969
FORWARD
HORN
7T0970
327-P
K-1
4
610-OR-14
200-BK
322-GY
2
1
18
BK-18
441-OR
201-BK
200-B
K-1
4
LL
LL
200-B
K
LL
D
D
MODULE
BBB
FRAME
ALT
+ R
KK
~T
610-O
R-1
4
200-B
K
HEAD
LAMP
8C5512
ZZ
B
B
B
B
00
COOLANT SW
9W2343
02
03
04
01
01
07
01
01
02
B
04
01
00
01
00
01
6Y4326
00
07
01
02
00
04
04
01
03
C
RR
21
200-B
K
610-O
R-1
4
W/ATCH HEAD
LAMP REPLACE
WIRE AS. RR
WITH HARNESS T
T
ACCESSORY
BREAKER
9S0174
MAIN
BREAKER
9S0174
101-RD-4
00
00
01
02
00
00
02
02
174-PK-6
01
60A
60A
00
6Y4224
03
02
101-RD-6
101-RD-6
00
01
ALTERNATOR
BREAKER
9S4693
80A
01
04
C
HEAD
LAMP
9W1282
200-B
K
610-O
R-1
41 2
BK-18
BK-18
OR-1
8
OR-1
8
OR-1
8
OR-1
8
WH-1
8
WH-1
8
WH-1
8
WH-1
8
12V BATTERY
9G4247
12V BATTERY
9G4247
B
YY
2 1
6Y4580
CHG
6
5
Y
Y
65
65
F IRE
DETECTION SW
7T4785
FIRE
DETECTION SW
7T4785
4
3
2
1
533-OR
534-WH
534-WH
533-OR
G
G
EE BB FF
A
4
4 3
32
21
1
533-O
R
533-O
R
534-W
H
534-W
H
~T
533-O
R
534-W
H
534-W
H
533-O
R
~T
RD-0
0
BK-0
0
FLOOD
LAMP
9W1279
BK-00
609-YL-14
BK-00
RD-00
NEG POS NEG POS
HEAD
LAMP
8C5511
COOLANT SW
7N9785
2
1
406-PU
201-BK
412-B
U
201-B
K
~T
610-O
R-1
4
CONN 2
CONN 3
CONN 4
CONN 11
CONN 5
CONN 28
CONN 6
CONN 7 CONN 8
CONN 9
CONN 10
CONN 12
CONN 13
CONN 14
CONN 15
CONN 16
CONN 17
CONN 18 CONN 19
CONN 20
CONN 21
CONN 22
CONN 23
CONN 24
CONN 26
CONN 25
CONN 27
STARTING CIRCUIT.
