Read MGB wiring diagrams in color.cdr text version

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MGB, MGC, MGBV8 WIRING DIAGRAMS

A dmp PUBLICATION

© 2005

May be reproduced for personal, non-commercial use only

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GENERATOR WARNING LAMP

Y

THROTTLE SWITCH TRANSMISSION INTERLOCK SWITCH

YR YR YP

GENERATOR D F

NY

NY

W

W

W

Y

NG

IGNITION SWITCH

N N

W 2 W 1 3 W N WR

OVERDRIVE ON - OFF SWITCH FUEL PUMP

W1

W2

C2

C1

OVERDRIVE SOLENOID

1 WB W 3 5 7 2 4 6 8

N B F WL D E

N

WIPER MOTOR

2 1 E

REGULATOR

RADIO CIGAR LIGHTER

IGNITION COIL DISTRIBUTOR

B

WIPER SWITCH

G

N

-

+

SOLENOID

W

+

STARTER

N

1 3 5 7

2 4 6 8

R

HEADLIGHT SWITCH

N

FUSE BOX

W W W W N N N N 3 4

G G G

G

GN

GN

BATTERIES

HEATER FAN SWITCH

G G

HEATER FAN

1

2

P GB B

* "FLASH-TO-PASS SWITCH"

UW

R R

FUEL GAUGE & SENDER

U

R

R GW G

RH FRONT

B

HIGH BEAM INDICATOR HIGH BEAMS

GW B UW F R B UW UW UW U G

RH REAR

B

DIMMER SWITCH LOW BEAMS

B UR UR

UR

FRONT PARKING LIGHTS

1

2

TURN SIGNAL FLASHER G

PB PB P

B P L

*TS SWITCH

(LG/N)

(GW) GW

B

R

LG/N

B

R

B

HORN BUTTON

PB

P

HORNS

LG/P

GR (GR)

B

UR

GR

LG/P

G

LH REAR

B

LG/U green

RH TS INDICATOR

GR G

LH FRONT

B

RG

B

R

R

LG/P

LG/Y green

LH TS INDICATOR

G GP GP GP

COURTESY/MAP LIGHT/SWITCH

TAIL LIGHTS & LICENSE PLATE LAMPS

B

R

R RW

R

GAUGE & DASH ILLUMINATION LAMPS

B

RW

OIL PRESSURE/WATER TEMPERATURE

B

RW

TACHOMETER

GAUGE LAMP DIMMER CONTROL

R

B

RW

SPEEDOMETER

COLOR CODES N Brown U Blue R Red P Purple

LG W Y S

Light Green White Yellow Slate

G B K O

Green Black Pink Orange

*These two switches are combined in one housing

B

RW

FUEL LEVEL

DIAGRAM 1 - 62/64 MGB FROM BENTLEY A8753AW

sheet 1

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B

RW

CIGAR LIGHTER

RW

R

R

R

BRAKE SWITCH

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GENERATOR WARNING LAMP

Y

THROTTLE SWITCH TRANSMISSION INTERLOCK SWITCH

YR YR YP

GENERATOR D F

NY

NY

W

W

W

W

Y

NG

IGNITION SWITCH

N N

W 2

OVERDRIVE ON - OFF SWITCH

WR W

W1

W2

OVERDRIVE SOLENOID

C2 1 3 N W B F WL D E G N

C1

FUEL PUMP

TACHOMETER

WB 1 3 5 2 4 6 8

N

N

WIPER MOTOR WIPER SWITCH

2 E

REGULATOR

RADIO CIGAR LIGHTER

IGNITION COIL DISTRIBUTOR

7

1

-

+

SOLENOID

N N

N

B

G

+

STARTER BATTERIES

1 3 5 7

2 4 6 8

U

R

HEADLIGHT SWITCH

N

FUSE BOX

W W W N N N 1 2 3 4

G G G G

G

GN

GN

HEATER FAN SWITCH

G G G

HEATER FAN

P

B

I

LG/G

GB

B

* "FLASH-TO-PASS SWITCH"

UW

R

FUEL GAUGE & SENDER

R

R W

R

GAUGE VOLTAGE STABILIZER

GW G

RH FRONT

B

HIGH BEAM INDICATOR HIGH BEAMS

GW B UW U BG G

RH REAR

B

F

B UW R UW UW

DIMMER SWITCH LOW BEAMS

B UR UR

UR

FRONT PARKING LIGHTS

1

2

TURN SIGNAL FLASHER

R PB PB P G

B L

*TS SWITCH

(LG/N)

(GW) GW

B

R

LG/N

B

R

B

HORN BUTTON

PB

P

HORNS

LG/P

GR (GR)

B

UR

GR

LG/P

G

LH REAR

B

LG/U green

RH TS INDICATOR

GR G

LH FRONT

B

RG

B

R

R

LG/P

LG/Y green

LH TS INDICATOR

G GP GP GP

COURTESY/MAP LIGHT/SWITCH

TAIL LIGHTS & LICENSE PLATE LAMPS

B

R

R RW

R G R GN GN

GAUGE & DASH ILLUMINATION LAMPS

B

RW

OIL PRESSURE/WATER TEMPERATURE

B

RW

TACHOMETER

GAUGE LAMP DIMMER CONTROL

REVERSE LIGHTS & SWITCH

COLOR CODES N Brown U Blue R Red P Purple

GN

B

RW

SPEEDOMETER B BG GB

LG W Y S

Light Green White Yellow Slate

G B K O

Green Black Pink Orange

*These two switches are combined in one housing

B

RW

FUEL LEVEL

REAR WINDOW DEFROSTER & SWITCH - GT ONLY

DIAGRAM 2 - 64/67 MGB FROM BENTLEY B51798

sheet 2

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B

RW

CIGAR LIGHTER

R

R

BRAKE SWITCH

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NB

W

W

W

W

Y

YR

YP

F Ind

+

-

IGNITION SWITCH

N

W 2 1 3 WR W

FUEL PUMP TACHOMETER

WB W

OVERDRIVE ON - OFF SWITCH WIPER SWITCH

7 5 3 8 6 4 2

TRANSMISSION INTERLOCK SWITCH

OVERDRIVE SOLENOID

NG NY

N

ALTERNATOR

WIPER MOTOR

U/LG R/LG N/LG G

-

F

+ B+

N

G

REGULATOR

RADIO

IGNITION COIL DISTRIBUTOR

1

+

-

N N

N

B

G

CIGAR LIGHTER HEADLIGHT SWITCH

N

FUSE BOX

W W W 3 4

G G G G G

G

GN

GN

+

BATTERIES

STARTER

1 3 5 7

2 4 6 8

R

HEATER FAN SWITCH

G G G

HEATER FAN

N N N 1 2 P P

B

I

LG/G

GB

B

* "FLASH-TO-PASS SWITCH"

UW

R R

B

FUEL GAUGE & SENDER

P

PW

U

W

R

R

GAUGE VOLTAGE STABILIZER

GW G

HIGH BEAM INDICATOR HIGH BEAMS

B UW U BG

COURTESY LAMP & DOOR SWITCHES

R PW

RH FRONT

B

GW

G

RH REAR

B

F

B UW R UW UW

PW (GW)

GW GW

GW green

B

DIMMER SWITCH LOW BEAMS

B UR UR

UR

FRONT PARKING LIGHTS

1

2

TURN SIGNAL FLASHER

G PB PB P

B L

RH TS INDICATOR

B

R

LG/N

(LG/N)

B

R

B

UR

B

HORN BUTTON

PB

P

HORNS

*TS SWITCH

GR (GR) GR

GR green

B

LH TS INDICATOR

LH REAR

GR G

B

LH FRONT

RG B R R GR G

B

COURTESY/MAP LIGHT/SWITCH

TAIL LIGHTS & LICENSE PLATE LAMPS

B

R

R G GP GP GP

R RW

R G R GN GN GN

GAUGE & DASH ILLUMINATION LAMPS

B

RW

OIL PRESSURE/WATER TEMPERATURE

B

RW

SPEEDOMETER

GAUGE LAMP DIMMER CONTROL

REVERSE LIGHTS & SWITCH

GN

COLOR CODES N Brown LG Light Green G Green U Blue W White B Black R Red Y Yellow K Pink P Purple S Slate O Orange Wire colors shown in ( ) are supplied as part of the component they are connected to. *These two switches are combined in one housing

B

RW

TACHOMETER B BG GB

B

RW

FUEL LEVEL

REAR WINDOW DEFROSTER & SWITCH - GT ONLY

DIAGRAM 3 - 67/68 MGB FROM BENTLEY E1898W

sheet 3

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B

RW

CIGAR LIGHTER

RW

R

R

BRAKE SWITCH

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W

W

W

W

W

Y

YR

YP

ALTERNATOR

B+

+

Ind Ind

NY

ALTERNATOR WARNING LAMP

IGNITION SWITCH

7 6 N 1 2 N 3 4

W

NY

FUEL PUMP

5 WR W

OVERDRIVE ON - OFF SWITCH TACHOMETER

WB W G 7 5 3 8 6 4 2

TRANSMISSION INTERLOCK SWITCH

OVERDRIVE SOLENOID

N

N WG

WIPER SWITCH

U/LG R/LG N/LG G

WIPER MOTOR

N N N WR

RADIO CIGAR LIGHTER

IGNITION COIL DISTRIBUTOR

WG

B

1

G

+

N N

BATTERIES

STARTER

1 3 5 7

2 4 6 8

R

HEADLIGHT SWITCH

N

FUSE BOX

W W W N N N 1 2 3 4

G G G G G

G

GN

GN

-

+

HEATER FAN SWITCH

G G G

HEATER FAN

P P

B

I

LG/G

GB

B

* "FLASH-TO-PASS SWITCH"

UW

R R

B

FUEL GAUGE & SENDER

P

PW

U

W

R

R

GAUGE VOLTAGE STABILIZER

GW G

HIGH BEAM INDICATOR HIGH BEAMS

B UW U BG

COURTESY LAMP & DOOR SWITCHES

PW

RH FRONT

B

GW

G

RH REAR

B

F

B UW R UW UW

PW (GW)

GW GW

GW green

B

DIMMER SWITCH LOW BEAMS

B UR UR

UR

FRONT PARKING LIGHTS

1

2

TURN SIGNAL FLASHER

G

B L

RH TS INDICATOR

B

R

LG/N

(LG/N)

B

R

PB

PB

P

*TS SWITCH

GR (GR) GR

GR green

B

LH TS INDICATOR

B

UR

B

HORN BUTTON

PB

P

HORNS

GR G

LH REAR

B

LH FRONT

RG B R R GR G

B

COURTESY/MAP LIGHT/SWITCH

TAIL LIGHTS & LICENSE PLATE LAMPS

B

R G GP GP

GP

R RW

R G R GN GN GN

GAUGE & DASH ILLUMINATION LAMPS

B

RW

OIL PRESSURE/WATER TEMPERATURE

B

RW

SPEEDOMETER

GAUGE LAMP DIMMER CONTROL

REVERSE LIGHTS & SWITCH

GN

COLOR CODES N Brown LG Light Green G Green U Blue W White B Black R Red Y Yellow K Pink P Purple S Slate O Orange Wire colors shown in ( ) are supplied as part of the component they are connected to. *These two switches are combined in one housing

B

RW

TACHOMETER B BG GB

B

RW

FUEL LEVEL

REAR WINDOW DEFROSTER & SWITCH - GT ONLY

DIAGRAM 4 - 68/69 MGB FROM BENTLEY E2333W

sheet 4

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B

RW

CIGAR LIGHTER

RW

R

R

BRAKE SWITCH

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FUEL PUMP

W W W W W 6 5 2 N WG 3 4 WR WB W1 C2 W G W W W

ALTERNATOR

B+

+

Ind Ind

NY

ALTERNATOR WARNING LAMP

IGNITION SWITCH

7 N

OVERDRIVE ON - OFF SWITCH

W Y YR

TRANSMISSION INTERLOCK SWITCH

YP

OVERDRIVE SOLENOID

WIPER SWITCH

7 5 3 1 8 6 4 2

WIPER MOTOR

U/LG R/LG G N/LG

NY

STARTER RELAY

N N W2 C1

1

TACHOMETER

WR

N WN

G

G

N WN

N

IGNITION COIL DISTRIBUTOR

+

-

N

N

HEATER FAN MOTOR FUSE BOX BATTERIES

RG GY GY

-

+

1 3 5 7

2 4 6 8

R R R R G G G P P P

STARTER

N

1 3

2 4 6 8

U

W RG N N W W

HEATER FAN SWITCH

G G G G GP GP GP

HEADLIGHT SWITCH

5

RG

7

G

BRAKE SWITCH

GP

UW

R G BG (P) GN GN GN

HIGH BEAM INDICATOR HIGH BEAMS

B UW (U)

FRONT PARKING LIGHTS

REVERSE LIGHTS & SWITCH

B R R

GN

B

UW

UW

(UW)

PW (UR)

Right

B R

LOW BEAMS

B

UR

UR

DIMMER & FLASH-TO-PASS SWITCH

*

COURTESY LAMP & DOOR SWITCHES

PW

GAUGE VOLTAGE STABILIZER

G

Left

B

I

LG/G

LG/G

GB

B

FUEL GAUGE & SENDER

PW B UR

TAIL, REAR MARKER, & LICENSE PLATE LAMPS

GAUGE LAMP DIMMER CONTROL

RP RG RG PB PB P

GW R GW

G

RH FRONT

B

G

Right

B R GW GW

RH REAR

B

(GW)

GW green

B

COURTESY/MAP LIGHT/SWITCH

B

RW RW

R

*HORN

BUTTON

R

TURN SIGNAL FLASHER

G

B L

RH TS INDICATOR

PB

P

LG/N

(LG/N)

Left

R

*TS SWITCH

GR (GR) GR

GR green

B

LH TS INDICATOR

LH REAR

GR G

B

GAUGE & DASH ILLUMINATION LAMPS

B

RW

OIL PRESSURE/WATER TEMPERATURE B BG GB GR G

LH FRONT REAR WINDOW DEFROSTER & SWITCH - GT ONLY

B

B

RW

SPEEDOMETER WG

COLOR CODES N Brown LG Light Green G Green U Blue W White B Black R Red Y Yellow K Pink P Purple S Slate O Orange Wire colors shown in ( ) are supplied as part of the component they are connected to. = one pin of a multi pin