Post on 21-Oct-2018
UNDERHOOD FUSE BLOCK
NOTE: Underhood fuse block is located at the left side of the engine compartment to the rear of the battery. See Fig. 7.
Fig. 7: Locating Underhood Fuse Block Courtesy of GENERAL MOTORS CORP.
Page 1 of 5FUSES & CIRCUIT BREAKERS -2005 Chevrolet Silverado 1500
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Fig. 8: Identifying Underhood Fuse Block Components Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood
Device Rating Description
STUD 1 Fuse -
Trailer Wiring, Auxiliary Battery Relay and Battery Right (TP2), AUX HTR PMP Fuse (HP2), ESCM Fuse (HP2), HCM-B Fuse (HP2) and TRANS PUMP Fuse (HP2)
MBEC 1 Fuse 50A SEAT CB, RT DOOR CB
BLWR Fuse 40A Blower Motor
LBEC 2 Fuse 50ALOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse
STUD 2 Fuse 30ATrailer Wiring, Emergency Vehicle Roof Lamp Relay
ABS Fuse 60A Electronic Brake Control Module (EBCM)
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Device Rating Description
VSES/ECAS Fuse 60A Not Used
IGN A Fuse 40AIgnition Switch RUN, START, RUN/START/ACCY, STARTER Relay
IGN B Fuse 40A Ignition Switch RUN/ACC, RUN/START
LBEC 1 Fuse 50AFLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse
TRL PARK Fuse 15A Trailer Wiring
RR PARK Fuse 10AExterior Lamps-Right Rear, Clearance Lamps-Right
LR PARK Fuse 10AExterior Lamps-Left Rear, Clearance Lamps-Left
PARK LP Relay -TRL PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK Fuse, INT PARK Fuse DRL Relay (Export)
STRTR Relay - Starter
INTPARK Fuse 10APower Take-Off (PTO) Switch, Inflatable Restraint I/P Module Disable Switch
STOP LP Fuse 25A Stop Lamp Switch
TBC BATT Fuse 10ABody Control Module (BCM), PASS-Key Module
S/ROOF Fuse 25A Sunroof Module Control
SEO B2 Fuse 30A Roof Beacon Relay
4WS Fuse 15ARear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid
RR HVAC 30A Not Used
AUX PWR Fuse 20AAccessory Power Outlets, Auxiliary Power Outlets
PCM 1 Fuse 15A
Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay
ETC/ECM Fuse 15A Throttle Actuator Control (TAC)
INJ 1 Fuse (Gas)/ECMRPCV Fuse (Diesel) #2
15AFuel Injectors-Odd-Numbered, Ignition Coils-Odd-Numbered (Gas)
15A Engine Control Module (ECM) (Diesel)
INJ 2 Fuse (Gas)/EDU Fuse (Diesel) #1
15AFuel Injectors-Even-Numbered, Ignition Coils-Even-Numbered (Gas)
25A Fuel Injector Control Module (FICM) (Diesel)
IGN E Fuse 10A
A/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components, Clutch Start Switch
IGN 1 Relay (Gas)/EDU Relay (Diesel) #5
-SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse
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Device Rating Description
- ECMRPCV Fuse, EDU Fuse (Diesel)
RTD Fuse 30A Not Used
TRL B/U Fuse 10ABody Control Module (BCM), Trailer Wiring, Back-Up Alarm
PCM B Fuse 20A Powertrain Control Module, F/PMP Relay
F/PMP Relay - Fuel Pump
O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #3
15A Heated Oxygen Sensors-Upstream (Gas)
15AFuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components (Diesel)
B/U LP Fuse 20A Park/Neutral Position (PNP) Switch
RR DEFOG Fuse 30A DEFOG Relay
HDLP-HI Relay - HI HDLP-LT Fuse, HI HDLP-RT Fuse
O2 B Fuse (Gas)/EMCI Fuse (Diesel) #4
15A Heated Oxygen Sensors-Downstream (Gas)
15AIAT/MAF Sensor, Engine Control Module (ECM) (Diesel)
AIRBAG Fuse 15AInflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror
FRT PARK Fuse 10APark/Turn Signal Lamps-Front, Marker Lamps-Front
DRL Relay -DRL Lamp-LT, DRL Lamp-RT (Domestic)/DRL Fuse, FRT PARK Fuse (Export)
SEO IGN Fuse 10A DEFOG Relay, Instrument Panel Cluster (IPC)
TBC IGN 1 Fuse 10A Body Control Module (BCM)
HI HDLP-LT Fuse 10A Headlamp-High Beam-Left
LH HID Fuse 20A High Intensity Discharge Lamps
DRL Fuse 10ADRL Relay (Domestic)/Daytime Running Lamps (Export)
RVC Fuse 10A Generator Battery Control Module
IPC/DIC Fuse 10A Instrument Panel Cluster (IPC)
HVAC/ECAS Fuse 10A HVAC Control Module
CIG LTR Fuse 15A Cigar Lighter, Data Link Connector (DLC)
HI HDLP RT Fuse 10A Highbeam Headlamp-Right
HDLP-LOW Relay - LO HDLP-LT Fuse, LO HDLP-RT Fuse
A/C COMP Relay - A/C Compressor Clutch
A/C COMP Fuse 10A A/C Compressor Clutch Relay
RR WPR 25A Not Used
RADIO Fuse 15A Radio, Rear Seat Audio (RSA)
SEO B1 Fuse 15AInstrument Panel Cluster (IPC), Rear Fog Lamp Relay, Overhead Console, Roof Beacon Switch
LO HDLP-LT Fuse 10A Headlamp-Low Beam-Left
BTSI Fuse 10A Stop Lamp Switch
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Device Rating Description
CRNK Fuse 10APowertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel
LO HDLP-RT Fuse 25A Headlamp-Low Beam-Right
FOG LP Relay - Fog Lamp-RF, Fog Lamp-LF
FOG LP Fuse 15A FOG LP Relay
HORN Relay - HORN Fuse
W/S WASH Relay - Windshield Washer Fluid Pump
W/S WASH Fuse 15A W/S WASH Relay
INFO Fuse 15AVehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device-CD Player
RADIO AMP Fuse 30A Audio Amplifier
RH HID Fuse 20A Not Used
HORN Fuse 15A Horn-Left, Horn-Right
EAP Fuse 15A Not Used
TREC Fuse 30ATransfer Case Encoder Motor, Transfer Case Shift Control Module
SBA Fuse 15A Supplemental Brake Assist (SBA)
© 2008 Mitchell Repair Information Co., LLC.
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