Wiring_Fiat124 - 1977
Transcript of Wiring_Fiat124 - 1977
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Wiring Diagrams
Bradley Artigue1st Edition
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TABLE OF CONTENTS
1 FUSE A (1/2) FAST IDLE CIRCUIT, DIVERTER VALVE BY PASS CIRCUIT, FUEL, OIL, AND
WATER GAUGES AND INDICATORS, TACHOMETER, AND STOP LIGHTS
2 FUSE A (2/2) TURN SIGNALS, BACK UP LIGHTS, FASTEN BELTS INDICATOR AND RELAY,
E.G.R BYPASS CIRCUIT AND HANDBRAKE ON AND BRAKE FLUID LEVEL
WARNING CIRCUIT
3 FUSE B WINSHIELD WASHER/WIPER AND HEATER FAN
4 FUSES C, D, E, F HEADLIGHTS, HIGH AND LOW
5 FUSES G, H PARKING AND SIDE MARKER LIGHTS AND INSTRUMENT CLUSTER LIGHTS
6 FUSES I, L ENGINE COOLING FAN AND HORNS, HAZARD WARNING LIGHTS,
COURTESY LIGHT, CLOCK, CURRENT RECEPTACLE, CIGARETTE LIGHTER,
POWER ANTENNA SWITCH AND MOTOR, AND REMOVE KEY AND
FASTEN BELTS BUZZERS
7 UNPROTECTED CIRCUITS STARTING, IGNITION, ALTERNATOR, AND IDLE CUTOFF SOLENOID
8 RELAY CONTROL CIRCUITS
9 COMPONENT REFERENCE
WIRE COLOR CODE REFERENCE
B BLACK BI/R BLUE/RED P/B PINK/BLACK
BI BLUE BR/B BROWN/BLACK P/G PINK/GRAY
Br BROWN Br/W BROWN/WHITE P/Y PINK/YELLOW
G GRAY G/B GRAY/BLACK R/B RED/BLACK
Gr GREEN G/R GRAY/RED R/Gr RED/GREEN
LB LIGHT BLUE G/Y GRAY/YELLOW R/V RED/VIOLET
O ORANGE Gr/B GREEN/BLACK V/W VIOLET/WHITE
P PINK Gr/W GREEN/WHITE V/B VIOLET/BLACK
R RED LB/B LIGHT BLUE/BLACK W/B WHITE/BLACK
V VIOLET LB/R LIGHT BLUE/RED W/R WHITE/RED
W WHITE LB/W LIGHT BLUE/WHITE Y/B YELLOW/BLACK
Y YELLOW LB/Y LIGHT BLUE/YELLOW Y/R YELLOW/RED
B/V BLACK/VIOLET O/W ORANGE/WHITE
COPYRIGHT 2006-2008 BRADLEY J. ARTIGUE
This Document Was Released In December Of 2008.
The online home for this document is http://fiat.artigue.com
1977 TABLE OF CONTENTS AND WIRE COLOR CODE REFERENCE
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1977 FUSE A (1/2)
1
190/1 19026
18-6
191 193 17 33 18 18/1
18/2
190/2
10
128/5
SEE RELAY CONTROL
CIRCUIT PAGE (8)
30
28
C24 C25
C27 C28 C29 C30 C31 C32
192
5756
56 54 5951
93
61
C22
C21
C49
98
C46
98
BI/R
BI/R
B
R W
LB/W
W/B
W/BG/Y
W/BGr/W
Gr/W G/B G/Y
W/B
LB/W
A
1
W
W
G/R
Y/B
W/B
W/B
W/B
Y/B
LB/Y
LB/Y
LB/Y
G/R
Y/B
G/Y
G/B
W/B
Gr/W
W/BW/B Gr/W
Y/BY/B
Br/W
G/BG/Y
Br G/BP G W/B G Y/B
W/B W/B
R
RR
R
R
G/Y
LB/Y
LB/Y
G/R
G/Y
G/B
G/YY/B
G/R
LB/Y
Gr/BW/B
Br/W
Br
W/B
W
1 Left headlight
2 Left front parking lig ht
3 Left front side mar ker
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending unit
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tu rn sign al fla she r
3 1 W in ds hi el d w ip er in t ermi tt en t s wi tch
3 2 H az ar d w ar ni ng fla sh er
3 3 W at er t em pe rat ure ga ug e re si st or ( 32 O HM )
3 6 W in dsh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m ot or
4 0 I ns trum en ts l ig ht s rhe os ta t s wi tch
4 0 /1 l de og ram l ig h ti ng p o te nt io me te r
4 1 /1 W in ds hi el d wi pe r 2 -s pe ed s wi tch
42 Tur n signa l switch
4 2 /1 H ig hl lo w be am cha ng eo v er s wi tch
4 2 /2 W in ds hi el d w ip er lw as he r s wi tch
44 lgnition switch
4 6 O ut er l ig hti ng sw it ch
49 Heater fan switch
5 0 H az ard wa rni ng si gn al sw it ch w it h l ig ht
51 Speedometer
53 Oil pr essu re gauge
5 4 W at er te mp er at ur e g au ge
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic at or
6 3 L ow o il p re ss ur e i nd ic at or
6 5/ 1 H az ar d wa rn in g in di ca to r
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s in di ca to r
6 6 B at te ry ch ar ge in di ca to r
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 Cigarette lighter
76 Ha nd brak e ON switch
79 Horn button
81 Curre nt recep tacle
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t u rn s ig n al , st op a n d ba ck - up l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plat e ligh t
104 Thermostatic switch for engine cool ing fan
115 Radio c onn ection
1 16 P owe r a nt en na m ot or
1 23 P owe r a nte nn a s wi tc h
1 2 6 F as te n b el ts an d rem ov e k ey bu zz er
1 28 /1 F as te n b el ts re la y
1 28 /2 l gn it io n mo de r el ay
1 2 8/5 D iv er te r v al ve b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
16 1 ldeogram light
1 8 9 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 9 0/2 E GR b y- pa ss e le ct ro va lv e
1 9 1 B ut to n sw it ch o n c lu tch fo r fa st i dl e
192 Button switch on transmission for fast idle
1 9 3 F as t id le s ys te m pu sh bu t to n sw it ch
1 9 4 B ut to n sw it ch on d ri ve r' s s ea t be lt
1 9 4/2 G ea r en ga ge d bu tt on s wi tch
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A
1977 FUSE A (2/2)
C49
98
C46
98
WLB/B W
194/2
76
W LB
115
189
128/1
128/2
2
18/5
128/5
190/2
64
128
C25
C32 C33
42
30
C16
32
C44
50
C21
25
C48
C39 C47
C22
C37 C38
65/2 65/3
C1
1 Left headlight
2 Left front parking light
3 Left front side marker
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp e ra tu re g au ge s en di ng u ni t
1 8 O il pr es su re g au ge s en di ng un it
18/1 Low oi l pressure indicator sending uni t
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for ignit ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
26 Stop ligh ts switch
28 Fuse box
28/1 Fuse, 25A
30 Turn sig nal flasher
3 1 W in ds hi el d w ip er in te rm it te nt sw it ch
3 2 H az ar d wa rn in g fl as he r
3 3 W at er t em pe rat u re g au ge res is to r (3 2 OH M)
3 6 W in dsh ie ld wi pe r m ot or
37 Heater fan motor
3 7/ 1 E ng in e f an mo to r
4 0 I ns trum en ts l ig ht s rh eo st at sw it ch
4 0/1 l de og ra m l ig ht in g p ot en ti om et er
4 1/1 W in d sh ie ld w ip er 2 -s pe ed s wi tch
42 Turn signal switch
4 2/1 H ig h ll ow b ea m ch a ng eo ve r sw it ch
4 2/2 W in d sh ie ld w i pe r lw as he r s wi tch
44 lgnition switch
4 6 O ut er li gh ti ng s wi tc h
49 Heater fan switch
5 0 H az ard w arni ng si gn al sw it ch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er te mp er at ur e g au ge
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic at or
6 3 L ow o il p re ss ur e i nd ic at or
6 5/1 H az ard w arn in g i nd icat or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s in di ca to r
6 6 B at ter y cha rg e in dic ato r
6 7 P ar ki ng li gh t in di ca to r
69 High beam indicator
74 Cigar ette lighter
76 Hand bra ke ON switch
79 Horn button
81 Current receptac le
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 Fu el t an k s en di ng u ni t
95 Trunk light
9 8 T ai l, t urn s ig na l, s to p a nd b a ck -u p l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 Licen se pla te lig ht
104 Thermostatic switch for engine cool ing fan
115 Radio con nec tio n
1 16 P owe r a nt en na mo to r
1 23 P owe r a nt en na swi tc h
1 26 F as te n b el ts an d rem ov e k ey bu zz er
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv e rt er v al ve b y -p as s re la y
1 58 I dl e s to p s ol en oi d
161 ldeogram light
1 89 S ea t b el t w arn in g d el ay s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le c trov al ve
1 91 B ut to n sw it ch o n cl ut ch f or f as t id le
192 Button switch on transmission for fast idle
1 93 F as t id le s ys te m pu sh bu tt o n s wi tch
1 94 B ut to n sw it ch o n dr iv er 's se at b el t
1 94 /2 G ea r en ga ge d bu tt on s wi tch
C11
2
LB
LB/B
Br/W W/B
LB
W/B
W/B86
85Gr/W
R/B
LB/W
LB/W
LB/W
LB/W
LBLBLB/B
LB/B
LB
V
V
V
LB/WG
LB/WG
L TBI/RBI/R
BI/RLB/W
LB/W
LB/WLB/W
W/B
BI/R
V/W
B/V
LB/W
BI/R
Br/WV/W
V/W
V/W
V/W
Br/W
W
W
W
W
W
WR
B
B
LB/W
LB/W
LB/W
LB/WR/B
LB
LB LB/B
LB/B LB
Gr/W
LB
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1977 FUSE B
1 Left headlight
2 Left front parking lig ht
3 Left front side mar ker
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending unit
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tu rn sign al fla she r
3 1 W in ds hi el d w ip er in t ermi tt en t s wi tch
3 2 H az ar d w ar ni ng fla sh er
3 3 W at er t em pe rat ure ga ug e re si st or ( 32 O HM )
3 6 W in dsh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m ot or
4 0 I ns trum en ts l ig ht s rhe os ta t s wi tch
4 0 /1 l de og ram l ig h ti ng p o te nt io me te r
4 1 /1 W in ds hi el d wi pe r 2 -s pe ed s wi tch
42 Tur n signa l switch
4 2 /1 H ig hl lo w be am cha ng eo v er s wi tch
4 2 /2 W in ds hi el d w ip er lw as he r s wi tch
44 lgnition switch
4 6 O ut er l ig hti ng sw it ch
49 Heater fan switch
5 0 H az ard wa rni ng si gn al sw it ch w it h l ig ht
51 Speedometer
53 Oil pr essu re gauge
5 4 W at er te mp er at ur e g au ge
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic at or
6 3 L ow o il p re ss ur e i nd ic at or
6 5/ 1 H az ar d wa rn in g in di ca to r
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s in di ca to r
6 6 B at te ry ch ar ge in di ca to r
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 Cigarette lighter
76 Ha nd brak e ON switch
79 Horn button
81 Curre nt recep tacle
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t u rn s ig n al , st op a n d ba ck - up l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plat e ligh t
104 Thermostatic switch for engine cool ing fan
115 Radio c onn ection
1 16 P owe r a nt en na m ot or
1 23 P owe r a nte nn a s wi tc h
1 2 6 F as te n b el ts an d rem ov e k ey bu zz er
1 28 /1 F as te n b el ts re la y
1 28 /2 l gn it io n mo de r el ay
1 2 8/5 D iv er te r v al ve b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
16 1 ldeogram light
1 8 9 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 9 0/2 E GR b y- pa ss e le ct ro va lv e
1 9 1 B ut to n sw it ch o n c lu tch fo r fa st i dl e
192 Button switch on transmission for fast idle
1 9 3 F as t id le s ys te m pu sh bu t to n sw it ch
1 9 4 B ut to n sw it ch on d ri ve r' s s ea t be lt
1 9 4/2 G ea r en ga ge d bu tt on s wi tch
84
Gr/B
BB
C3
B
2
Br Br
LB/r
35
C17
31 INTB
C DLB/WLB/B F G/B G LB
B LB/WLB/B G/B G LB
31
3 61 4
C18
Y LB/W R LB
Y LB/W RG/B
37
44int 41/1
LB/R
C37
G
LB
G/B
G
LB
G/B
3 2 2
C34
C35
49
R Br LB/B
R
LB/B
C24
W/B W/B
W/B
W/B
LB/W
LB/B
Br
Y/B Y W R G Gr/B
Gr/BRY
m l s o n p t
42/2
28
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1977 FUSES C, D, E, F
1 Left headlight
2 Left front park in g lig ht
3 Left f ront side mark er
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending uni t
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tur n signal fla sher
3 1 W in ds hi el d w ip er in te rmi tt en t s wi tch
3 2 Ha za rd wa rn in g f la sh er
3 3 W at er t em pe ra t ure ga ug e re si st o r ( 32 O HM )
3 6 W ind sh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m oto r
4 0 I ns tru me nt s l ig ht s rhe os ta t s wi tch
4 0/1 l de og ra m l ig ht in g p ot en ti om et er
4 1 /1 W in ds hi el d wi pe r 2- sp ee d sw it ch
42 Turn signal switch
4 2/1 H ig hl lo w be am cha ng eo ve r sw it ch
4 2/2 W in ds hi el d w ip e rl wa sh er s wi tch
44 lgnition switch
4 6 O ut er li gh ti ng s wit ch
49 Heater fan switch
5 0 H az ard wa rn in g s ig na l s wi tch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er tem pe ra tu re ga ug e
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic ato r
6 3 L ow o il p re ss ur e i nd ic at or
6 5/1 H az ard w arn in g i nd icat or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s i nd ic at or
6 6 B at te ry c ha rg e in di ca tor
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 C ig arette lighte r
76 Ha nd brak e ON switch
79 Horn button
81 Current recep tac le
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t urn si gn al , st op a n d ba ck -u p l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plate ligh t
104 Thermostatic switch for engine cooling fan
115 R adio conn ection
1 16 P owe r a nt en na mo to r
1 23 P owe r a nt en na sw it ch
1 26 F as te n b el ts an d re mo v e k ey bu zz er
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv er t er v a lv e b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
161 ldeogram light
1 89 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le ct ro va lv e
1 91 B ut to n sw it ch o n cl ut ch f or f as t id le
192 Button switch on transmission for fast idle
1 93 F as t id le s ys te m pu sh bu tt on s wi tch
1 94 B ut to n sw it ch o n d ri ve r' s s ea t b el t
1 94 /2 G ea r en g ag ed b ut to n sw it ch
1
C2
G/BGr/B
1
C10
G Gr
G Gr
3 4 5 6
C D E F
28
Gr/B
Gr/B
Gr/BGr G
G/RBI
5169
56
Gr/B
C32
Gr/B
Gr/B
C25
46
Gr Br LB
I H
115
Br
42/I
C33
d c b g
BI G/R Br Gr
BI G/RBr
Gr
Br
44
LB/R
G/BGr/B
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1977 FUSES G, H
1 Left headlight
2 Left front park in g lig ht
3 Left f ront side mark er
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending uni t
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tur n signal fla sher
3 1 W in ds hi el d w ip er in te rmi tt en t s wi tch
3 2 Ha za rd wa rn in g f la sh er
3 3 W at er t em pe ra t ure ga ug e re si st o r ( 32 O HM )
3 6 W ind sh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m oto r
4 0 I ns tru me nt s l ig ht s rhe os ta t s wi tch
4 0/1 l de og ra m l ig ht in g p ot en ti om et er
4 1 /1 W in ds hi el d wi pe r 2- sp ee d sw it ch
42 Turn signal switch
4 2/1 H ig hl lo w be am cha ng eo ve r sw it ch
4 2/2 W in ds hi el d w ip e rl wa sh er s wi tch
44 lgnition switch
4 6 O ut er li gh ti ng s wit ch
49 Heater fan switch
5 0 H az ard wa rn in g s ig na l s wi tch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er tem pe ra tu re ga ug e
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic ato r
6 3 L ow o il p re ss ur e i nd ic at or
6 5/1 H az ard w arn in g i nd icat or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s i nd ic at or
6 6 B at te ry c ha rg e in di ca tor
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 C ig arette lighte r
76 Ha nd brak e ON switch
79 Horn button
81 Current recep tac le
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t urn si gn al , st op a n d ba ck -u p l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plate ligh t
104 Thermostatic switch for engine cooling fan
115 R adio conn ection
1 16 P owe r a nt en na mo to r
1 23 P owe r a nt en na sw it ch
1 26 F as te n b el ts an d re mo v e k ey bu zz er
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv er t er v a lv e b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
161 ldeogram light
1 89 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le ct ro va lv e
1 91 B ut to n sw it ch o n cl ut ch f or f as t id le
192 Button switch on transmission for fast idle
1 93 F as t id le s ys te m pu sh bu tt on s wi tch
1 94 B ut to n sw it ch o n d ri ve r' s s ea t b el t
1 94 /2 G ea r en g ag ed b ut to n sw it ch
2
C1
Y/BB
3
Y/BB
Y/B
BB/V
2
C11
YB
3
YB
Y
B B/VBBB
C3 84
6 7
G H
28
Y/B
Y/B
Y/R
Y/R
32
C38
C37
74
C26
C32C31
5167
59
W
57
30
C51
30
54
C30
53
C29
30
C28
30
C27
30
C49
98
98/1
C46
98
98/1
99 99
9540/1
40 50
85
74
C21
5657
161
B/V
W/R
Y/B
W/R
Y/BR/Gr
R/Gr
G/RY/B
Y/B
Y/R
W/R
W/R
W/R W/R
W W
W/R
W W
W/R W/R W/RY/R
W
L
E A
W/R
Y/BY/R
Y/R
B/V
R/Gr
B
R
G/R
W/B
U H
B
W/B
Y/B
B/VY/B
Y/R
Y/B
Y/B
Y/R
Y/R
Y
Y/R
B/V
Y
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8/8/2019 Wiring_Fiat124 - 1977
8/11
1977 FUSES I, L
1 Left headlight
2 Left front park in g lig ht
3 Left f ront side mark er
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending uni t
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tur n signal fla sher
3 1 W in ds hi el d w ip er in te rmi tt en t s wi tch
3 2 Ha za rd wa rn in g f la sh er
3 3 W at er t em pe ra t ure ga ug e re si st o r ( 32 O HM )
3 6 W ind sh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m oto r
4 0 I ns tru me nt s l ig ht s rhe os ta t s wi tch
4 0/1 l de og ra m l ig ht in g p ot en ti om et er
4 1 /1 W in ds hi el d wi pe r 2- sp ee d sw it ch
42 Turn signal switch
4 2/1 H ig hl lo w be am cha ng eo ve r sw it ch
4 2/2 W in ds hi el d w ip e rl wa sh er s wi tch
44 lgnition switch
4 6 O ut er li gh ti ng s wit ch
49 Heater fan switch
5 0 H az ard wa rn in g s ig na l s wi tch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er tem pe ra tu re ga ug e
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic ato r
6 3 L ow o il p re ss ur e i nd ic at or
6 5/1 H az ard w arn in g i nd icat or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s i nd ic at or
6 6 B at te ry c ha rg e in di ca tor
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 C ig arette lighte r
76 Ha nd brak e ON switch
79 Horn button
81 Current recep tac le
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t urn si gn al , st op a n d ba ck -u p l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plate ligh t
104 Thermostatic switch for engine cooling fan
115 R adio conn ection
1 16 P owe r a nt en na mo to r
1 23 P owe r a nt en na sw it ch
1 26 F as te n b el ts an d re mo v e k ey bu zz er
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv er t er v a lv e b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
161 ldeogram light
1 89 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le ct ro va lv e
1 91 B ut to n sw it ch o n cl ut ch f or f as t id le
192 Button switch on transmission for fast idle
1 93 F as t id le s ys te m pu sh bu tt on s wi tch
1 94 B ut to n sw it ch o n d ri ve r' s s ea t b el t
1 94 /2 G ea r en g ag ed b ut to n sw it ch
16
Y Y
14
Y
104
B
B
B LB
C20
15
V
V
Y
B/V
37/1
9 1028
I L
32
V LB
V R
Gr/BR
LB/BLB
C8
Gr/BR
LB/BLB
74
R/B
R
B
B
30
TO LEFT
TURN
SIGNAL
TO RIGHT
TURN
SIGNAL
C21
LB/B LB
C31
C26
C33
79
30
C34
50
B/V
G/BW/B VR
V/B65/1
C37
5944
Gr/B Gr/B
B/V
128/1W/B
W/B
P/B
BB
81
C36
126
O/W W/B
74
87B
B
V/B
85
W/B
87B
BR/B O/W
B
C22C50
V
VV
BI/R
LB/W
P/B
P/B
116
BI/R LB/W
VV
194
P/B
R/B
R/B
R/B
R
B/V
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8/8/2019 Wiring_Fiat124 - 1977
9/11
1977 UNPROTECTED CIRCUITS
1 Left headlight
2 Left front park in g lig ht
3 Left f ront side mark er
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se nd in g un it
1 8 O il pr es su re ga ug e s en di ng un it
18/1 Low oi l pressure indicator sending uni t
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
2 6 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
3 0 Tur n signal fla sher
3 1 W in ds hi el d w ip er in te rmi tt en t s wi tch
3 2 Ha za rd wa rn in g f la sh er
3 3 W at er t em pe ra t ure ga ug e re si st o r ( 32 O HM )
3 6 W ind sh ie ld wip er mo to r
37 Heater fan motor
3 7/ 1 E ng in e f an m oto r
4 0 I ns tru me nt s l ig ht s rhe os ta t s wi tch
4 0/1 l de og ra m l ig ht in g p ot en ti om et er
4 1 /1 W in ds hi el d wi pe r 2- sp ee d sw it ch
42 Turn signal switch
4 2/1 H ig hl lo w be am cha ng eo ve r sw it ch
4 2/2 W in ds hi el d w ip e rl wa sh er s wi tch
44 lgnition switch
4 6 O ut er li gh ti ng s wit ch
49 Heater fan switch
5 0 H az ard wa rn in g s ig na l s wi tch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er tem pe ra tu re ga ug e
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic ato r
6 3 L ow o il p re ss ur e i nd ic at or
6 5/1 H az ard w arn in g i nd icat or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s i nd ic at or
6 6 B at te ry c ha rg e in di ca tor
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 C ig arette lighte r
76 Ha nd brak e ON switch
79 Horn button
81 Current recep tac le
84 Washer pump motor
8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u ni t
95 Trunk light
9 8 T ai l, t urn si gn al , st op a n d ba ck -u p l ig ht s un it
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 License plate ligh t
104 Thermostatic switch for engine cooling fan
115 R adio conn ection
1 16 P owe r a nt en na mo to r
1 23 P owe r a nt en na sw it ch
1 26 F as te n b el ts an d re mo v e k ey bu zz er
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv er t er v a lv e b y- pa ss rel ay
1 58 I dl e s to p s ol en oi d
161 ldeogram light
1 89 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le ct ro va lv e
1 91 B ut to n sw it ch o n cl ut ch f or f as t id le
192 Button switch on transmission for fast idle
1 93 F as t id le s ys te m pu sh bu tt on s wi tch
1 94 B ut to n sw it ch o n d ri ve r' s s ea t b el t
1 94 /2 G ea r en g ag ed b ut to n sw it ch
23
12
30
50
C19BrR
B
18/4
158
Gr GrP
28
W/B
P
B
B
B
C28
C25
6656
Y/B B
LB/B
B/V
LB/B
P
B/V
BrBr/W
1 3
42
9
C15
10
C9
Br
LB/B
Gr
Gr/B
1
2
3
4
128/2
Br/W
Br/WBI Gr
W/B
Gr/B
46
B
W/B
44
Br
B
LB/BP
R
189 115 32
B/V B/V B/V
5
B B B/V
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8/8/2019 Wiring_Fiat124 - 1977
10/11
128/
2
128/
5
189
128/
1
15
32
30
31
189 SEAT BELT WARNING DELAY SWITCH 4357723
128/1 FASTEN BELTS RELAY128/2 IGNITION MODE RELAY 4320627
15 HORN RELAY 4320629-4337067
128/5 DIVERTER VALVE BY-PASS RELAY (CALIFORNIA ONLY) 4320626-4337068
31 WINDSHIELD WIPER INTERMITTENT SWITCH 4177176
32 HAZARD WARNING FLASHER 4200679
30 TURN SIGNAL FLASHER 4300635
1977 RELAY CONTROL CIRCUITS
1 Left headlight
2 Left front par kin g ligh t
3 Left front side mark er
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
1 7 E ng in e wa te r te mp erat ure ga ug e se n di ng u ni t
1 8 O il p re ss ur e ga ug e s en di ng u ni t
18/1 Low oi l pressure indicator sending unit18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for igni t ion mode relay
1 8/ 5 B ra ke f lu id l ev el s wi tc h
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
2 4 B ac k- up l ig ht s an d 5t h ge ar s wi tc h
26 Stop lights switch
28 Fuse box
28/1 Fuse, 25A
30 Turn signa l flasher
3 1 W in ds hi el d w ip er in te rmi tt en t s wi tch
3 2 H az ar d w ar ni ng fl as he r
3 3 W at er t em pe ra tu re g au ge res is to r (3 2 OH M)
3 6 W in dsh ie ld wi pe r m ot or
37 Heater fan motor
3 7/ 1 E ng in e f an m ot or
4 0 I ns trum en ts l ig ht s rhe os ta t s wi tch
4 0/1 l de og ra m l ig ht in g p ot en t io me te r
4 1/1 W in ds hi el d wi pe r 2- sp ee d sw it ch
42 Turn signal switch
4 2/1 H ig hl lo w be am cha ng eo ve r sw it ch
4 2/2 W in ds hi el d w ip er lw as he r s wi tch
44 lgnition switch4 6 O ut er li gh ti ng sw it ch
49 Heater fan switch
5 0 H az ard w arni ng si gn al sw it ch wi th li gh t
51 Speedometer
53 Oil pressure gauge
5 4 W at er te mp er at ur e g au ge
56 Tachometer
57 Fuel gauge
59 Clock
6 1 F ue l r ese rv e i nd ic at or
6 3 L ow o il p re ss ur e i nd ic at or
6 5/ 1 H az ar d wa rn in g i nd ic at or
65/2 Brake system effectiveness and hand brake ON indicator
6 5/ 3 F as te n be lt s i nd ic at or
6 6 B at te ry ch ar ge in dic at or
6 7 P ar ki ng li gh t i nd ic at or
69 High beam indicator
74 Ciga rette lighter
76 Han d br ake ON switch
79 Horn button
81 Curren t recept acle
84 Washer pump motor8 5 C ou rt es y l ig ht w it h s wi tc h
8 7 C ou rt es y l ig ht j am b s wi tc h
9 3 F ue l t an k se nd in g u nit
95 Trunk light
9 8 T ai l, t urn si gn a l, s to p an d b ack- u p li gh ts u ni t
9 8/ 1 R ea r s id e m ar ke r l ig ht s
99 Lice nse plate light
104 Thermostatic switch for engine cooling fan
115 Radio co nne ction
1 16 P owe r a nt en na m ot or
1 23 P owe r a nt enn a s wi tc h
1 26 F as te n b el ts an d rem o ve ke y b uz ze r
1 28 /1 F as te n be lt s r el ay
1 28 /2 l gn it io n mo de r el ay
1 28 /5 D iv er te r v al ve b y- pa ss rel ay
1 58 I dl e st op so le no id
161 ldeogram light
1 89 S ea t b el t w arni ng de la y s wi tch
1 90 F as t i dl e e le ct ro va lv e
190/1 Diverter valve by-pass control valve
1 90 /2 E GR b y- pa ss e le ct ro va lv e
1 91 B ut to n sw it ch o n c lu tch fo r fa st i dl e
192 Button switch on transmission for fast idle1 93 F as t id le sy st em p us hb ut to n sw it ch
1 94 B ut to n sw it ch o n d ri ve r' s s ea t be lt
1 94 /2 G ea r en ga ge d bu tt on s wi tch
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8/8/2019 Wiring_Fiat124 - 1977
11/11
1977 COMPONENT REFERENCE
1 Left headlight
2 Left front parking light
3 Left front side marker
5 Alternator
9 Distributor
10 Coil
12 Starter motor
14 Horn
15 Horn relay
17 Engine water temperature gauge sending unit
18 Oil pressure gauge sending unit
18/1 Low oil pressure indicator sending unit
18/2 Engine water temperature gauge thermostatic switch
18/4 Thermostatic switch for ignition mode relay
18/5 Brake f luid level switch
18/6 Thermostatic switch for diverter valve by-pass system
23 Battery
24 Back-up lights and 5th gear switch
26 Stop lights switch
28 Fuse box
28/1 Fuse, 25A30 Turn signal flasher
31 Windshield wiper intermittent switch
32 Hazard warning flasher
33 Water temperature gauge resistor (32 OHM)
36 Windshield wiper motor
37 Heater fan motor
37/1 Engine fan motor
40 Instruments lights rheostat switch
40/1 ldeogram lighting potentiometer
41/1 Windshield wiper 2-speed switch
42 Turn signal switch
42/1 Highllow beam changeover switch42/2 Windshield wiperlwasher switch
44 lgnition switch
46 Outer lighting switch
49 Heater fan switch
50 Hazard warning signal switch with light
51 Speedometer
53 Oil pressure gauge
54 Water temperature gauge
56 Tachometer
57 Fuel gauge
59 Clock
61 Fuel reserve indicator
63 Low oil pressure indicator65/1 Hazard warning indicator
65/2 Brake system effectiveness and hand brake ON indicator
65/3 Fasten belts indicator
66 Battery charge indicator
67 Parking light indicator
69 High beam indicator
74 Cigarette lighter
76 Hand brake ON switch
79 Horn button
81 Current receptacle
84 Washer pump motor
85 Courtesy light with switch
87 Courtesy light jamb switch
93 Fuel tank sending unit
95 Trunk light
98 Tail, turn signal, stop and back-up lights unit
98/1 Rear side marker lights
99 License plate lights
104 Thermostatic switch for engine cooling fan
115 Radio connection
116 Power antenna motor
123 Power antenna switch
126 Fasten belts and remove key buzzer
128/1 Fasten belts relay
128/2 lgnition mode relay
128/5 Diverter valve by-pass relay
158 Idle stop solenoid
161 ldeogram light
189 Seat belt warning delay switch
190 Fast idle electrovalve190/1 Diverter valve by-pass control valve
190/2 EGR by-pass electrovalve
191 Button switch on clutch for fast idle
192 Button switch on transmission for fast idle
193 Fast idle system pushbutton switch
194 Button switch on driver's seat belt
194/2 Gear engaged button switch