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

  • 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

  • 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

  • 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

  • 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