RESISTOR HEATER FAN  PB LIGHTS B  COURTESY LAMP G  G  Y   HIGH BEAM INDICATOR U 1 Purple  3 G DISTRIBUTOR  2    B N  SPEEDOMETER WB  WIPER MOTOR LG/N  FLASHER 6 LIGHTS B BG  R  (U/LG) PB N B G B R     GN Pink R   O     B  N N B LG/N   B 2 G  P WATER TEMPERATURE   *  LH FRONT   7  CLOCK   TACHOMETER     PW   TRANSMISSION HIGH BEAM INDICATOR Roadster Y   F    GP B    G HEATER  STARTER  FLASHER DIMMER & BG 3 & DOOR SWITCHES   HIGH BEAM INDICATOR N  G WIPER    WIPER/WASHER  G B   CONTACT US.  NP B  W     SEATBELT   WIPER MOTOR   SWITCH N   RW  GB SWITCH LG/G Click the button web link listed below Register for free and fill in the Information Get ebook 1979 Mgb Wiring Diagram Enjoy your 1979 Mgb. W   RW  1 R LH REAR GN L     N  LAMP  TACHOMETER PK GP   G  GAUGE VOLTAGE R  RW    N LH REAR BRAKE FAILURE  SWITCH ON - OFF SWITCH  Right    R G component they are connected to. RADIO   UR  B  TACHOMETER   LAMP RG B  (U/LG) K Ind 8 HORN   B      P FUSE BOX GW P UR   B B W B W SP  2  G     -    SEATBELT BUCKLE GN LH TS W    W    G *  G  (S) RH FRONT B   5   (U) BATTERIES Explore interactive fuse box and relay diagrams for the MG MGB. RELAY  1 R Slate  GO G B Left B+ F WL D E   PG B P LH FRONT N +  SWITCH U HEATER FAN MOTOR  cars) I upload it to these pages for future reference - including jobs and 
    W  TEMP GAUGE & SENDER R       O 1   LH REAR B  UR (U)  GAUGE VOLTAGE  GAUGE VOLTAGE LG/P    (LG/B)  R    COIL  YN  GW       RW GN   Y MODULE GAUGE & DASH LH FRONT   INDICATOR  Y Black P 5 *TS SWITCH   WG HAZARD GAUGE RH FRONT  Y (GW) 2 N  4 DISTRIBUTOR  R  Yellow W    LG Light Green OVERDRIVE      P  RW  ALTERNATOR GR G 2  R/LG    LICENSE PLATE LAMPS W LG Light Green FRONT PARKING BATTERIES IGNITION   LG/G  1     B  WB IGNITION  - G G REVERSE LIGHTS   BUTTON  1        UW B   GAUGE & DASH Pink B & INDICATOR (GT only)  STARTER B  green    SWITCH B GR  green    SWITCH   R GP LG/N UW  SPEEDOMETER   B MODULE  G R/LG G HEADLIGHT B B LICENSE PLATE LAMPS  (GR) INDICATOR  4 U   UR R  W White    P   4  Some of the wires I upgraded  OVERDRIVE U/LG  SWITCH P    (WG) PB BG  (P) W P     UW 2   P GN  CIGAR LIGHTER B    WG IGNITION WLG     P R (U) RW   green    * DIMMER & R  TACHOMETER GR  PG  P 3  PB    IGNITION  3  RN Batt + + NR G  GR A dmp PUBLICATION  2005   FANS RW    5   (UW) B  R   FUEL LEVEL ON - OFF SWITCH BRAKE SWITCH (GK) R/LG W (N/LG)    P  B GK  RW  N  G  4  G W  R 2003 2010 bmw 5 series e60 e61 fuse box diagram fuse box on the dashboard k6 relay headlight washer k93 relay electronic damper control as o. P G G SIDE MARKERS LG/G   NP HAZARD  U WR 6  B G   G INDICATOR GK LG/G (W)  HAZARD  2 G  W White SWITCH P 8 YN GP   B R DRIVER YP 4  W DIAGRAM 2 - 64/67 MGB  TURN SIGNAL   GW 6  RG G YR GN P RADIO  P G  RG R  Y Right    R = one pin of a multi pin connector. RW     (N/LG) DISTRIBUTOR     R   P  OIL PRESSURE/WATER TEMPERATURE    UW     (R/LG) N Wire colors shown in ( ) are supplied as part of the YP CONTROL  3  BRAKE FAILURE  GW The return wire from horn to button would (properly) be purple with a black tracer to signify it was live, but going to earth via a switch. R  B    GW  B  + B    TACHOMETER UW 7   (WG) 1 LG/G WB    RG  ILLUMINATION LAMPS Left  G N R GW B HEATER CONTROL O HEATER CONTROL   LAMP & SWITCH *TS SWITCH G FUEL GAUGE & SENDER   SWITCH UW  WG 3 LH FRONT G   P B  G W     GN YK  P  LG/G  G GAUGE & DASH R U UR BG  GW SOLENOID GR  P  GY   NW ON - OFF SWITCH N/LG N  U/LG  GW W N/LG RADIO  GW SEATBELT  REGULATOR (W) ON - OFF SWITCH R   WN  1   PB R  B FRONT PARKING & 3 B STARTER SWITCH WR (B) HEATER FAN  1974 - 1975 MODELS WITH SEAT   N RW 2 LH REAR     B TACHOMETER GK SWITCH  W GAUGE VOLTAGE  green B B P R        PB LAMP & SWITCH  LH FRONT GP TRUNK/HATCH   OIL PRESSURE  G  FRONT PARKING CIGAR  B UR B & DOOR SWITCHES   FUEL LEVEL  B  I laid the wiring harness out on my work bench, measured the distance from where I  sheet 23    THERMOSTAT B    WIRE + (GR) G G    S HORNS B Green G N   RH REAR   PW  * indicates two switches combined in one housing 2 UW  PB ON - OFF SWITCH 1  2  wiring kit. RW RH TS   R  TACHOMETER 5 G  3 BW  ALTERNATOR B   R    W  P   GW  P G GY 6 TAIL, REAR MARKER, & W G  RH TS GP    SPEEDOMETER L HORN RW Black B   Turn the ignition on, and the fans should start. YP L  SEATBELT  P  TAIL, REAR MARKER, & FROM BENTLEY E2235W  7  W Green WASHER MOTOR  WN G B W (N/LG)  7  HAZARD LH TS         FRONT PARKING     P  OIL PRESSURE   GU  WG   B G  GR 1 N YP RG BG B R GP  = one pin of a multi pin connector.  W Removing Hub Nuts  clockwise or anti-clockwise?  OIL PRESSURE P N B  R  I N N  ALTERNATOR WARNING  When one of these fuses blew the other day while driving I lost almost all of my systems.  YP  B 2 W U  W UR R LG/B CIGAR Y N Y 4  P UW  B  N  B   * LG/N BRAKE SWITCH   HORNS RW G  COLOR CODES GK  MODULE HEATER FAN  (UW) COIL RG   * DIMMER &  G G BG     GR  CIGAR LIGHTER 1 GAUGE VOLTAGE Y      2 SEATBELT BUCKLE UR HAND BRAKE P  PW W RW U HIGH BEAMS G W  OVERDRIVE BALLAST  UR  GN Yellow -  SWITCH  LOW BEAMS SWITCH B  LAMP B 4  SWITCH  TRUNK/HATCH   N N TRUNK LAMP G R GENERATOR WARNING LAMP   DISTRIBUTOR  SWITCH   LH FRONT RH FRONT  P  1978 & LATER MGB 1 Green   SWITCH   MARKER LIGHTS G P Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com. GN R  LG/P WB G GR P   R GN B   GW INDICATOR B + 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com mgb fuse OVERDRIVE SOLENOID R FUSE BOX  COIL Purple Wiring and Fusing - BS-AU7 Colour Codes In the United Kingdom the British Standard BS-AU7 determines colour coding of automobile wiring.  P  N   SWITCH & LAMP SWITCH   (G/K)  G PB  SWITCH   FLASHER N B RG green  Enter your email address to follow this website and receive notifications of new posts by email. 8 HIGH BEAM INDICATOR B  RW  3 GK    G WU 2 N   HEATER FAN RW  HEATER CONTROL  O P PW PG  3     B  (B)   SWITCH RW  GB     (LG/N)   B TACHOMETER P K     W1 C2 B  OVERDRIVE   RW GW HEATER FAN MOTOR  GR TAIL, REAR MARKER, & K  HEATER FAN MOTOR  Green   Pink  YP R  1  GW      WU   FLASHER 5 WU Yellow & DOOR SWITCHES ALTERNATOR WARNING  RW W 4 YP   R  OVERDRIVE GR GW RW U CONTROL Y COIL  Left GAUGE  YN RH REAR     +  & DOOR SWITCHES  B   G  Green *These two switches are combined in one housing G  Wiring Diagrams for MGB, MGC Click links for 33 different wiring diagrams for MGB and MGC, large format in color.  NP B  LG/B Left LAMP  B G 1 2      P R  G  OVERDRIVE  RW  1976 MGB W/O CAT CONV LG/Y 2  HAZARD FLASHER R    N RW 5  G   B LIGHTS W UW     Yellow      = one pin of a multi pin connector. B LG/P 1 SY  GK B ILLUMINATION LAMPS Right W * indicates two switches combined in one housing B 6  PW B GR RW   LG/P   * FLASH-TO-PASS   P  GAUGE     W (U) B  PG   PW N  GAUGE ILLUMINATION LAMPS  DRIVER FRONT PARKING R W     P F green W White  LG/G G 8   Slate R   FUEL GAUGE & SENDER  LAMP RG *These two switches are combined in one housing N/LG  G  NP B RW RW G FLASHER UW   SEATBELT U   Brown  B COURTESY/MAP  G  RG 4 B   W      P  B W White PB  NY G green N + 2  G  P LIGHTS  RG N  INDICATOR 7 RH REAR   LG/G GW B = one pin of a multi pin connector. TAIL, REAR MARKER, & R GB  B UW  GR GW green  P  G      GR 6 RELAY FLASHER   FUEL PUMP 3   WB DIMMER    RELAY 73/74 UK MARKET MGB  N SEATBELT   LH DOOR  WR    G WASHER MOTOR  N O UR G HAZARD  G RW W   5 WR UR  HEATER FAN MOTOR 3 WR  CIGAR LIGHTER  *TS SWITCH R SWITCH  GR UR   I  RG I 3  W/LG GR STARTER W  UW DISTRIBUTOR    G LH FRONT  B W    FUEL PUMP G WIPER MOTOR B TAIL, REAR MARKER, &  5       W   (R/LG) SWITCH  green GW L GN P  W   (N/LG)    CIGAR LIGHTER  G  B Slate P  UW 4 WG HAZARD SWITCH TEMPERATURE  N Right GK  3   OVERDRIVE SOLENOID G      P OVERDRIVE  *TS SWITCH     FRONT PARKING STARTER TACHOMETER  W  PK   FUEL PUMP B B W White HIGH BEAMS  WN  N  (LG/N)   P  SPEEDOMETER G   LIGHTER     = one pin of a multi pin connector.  HEATER CONTROL RW SP B   B N G COLOR CODES  N  YO  REVERSE LIGHTS HORNS  B B FLASHER   R   2    GW GN GR CONTROL TACHOMETER  G P  W G  WB RW P  NY RH REAR GY PB HEADLIGHT TAIL LIGHTS & LG/N  R W DIMMER   B    W White    U/LG Brown  Black  LICENSE PLATE LAMPS LAMP & SWITCH DISTRIBUTOR SP U/LG WN 1 Left    GR  N   THERMOSTAT    B WASHER MOTOR R B G     P G & SWITCH G      R B O Green  GK N   G GK  YK GR DIMMER RW   SWITCH W  W 2  G WB  G  *TS SWITCH   FUEL LEVEL  PB  SP I 3 BRAKE    W N  GK    G W N WN GAUGE & DASH  HAZARD    Wire colors shown in ( ) are supplied as part of the 6 R   B FROM LATE BENTLEY  W1 C2 * FLASH-TO-PASS Pink LIGHT/SWITCH  3 HIGH BEAM INDICATOR  FLASHER B RADIO   CIGAR LIGHTER YR INDUCTION SEATBELT BUCKLE SWITCH  I     FLASHER    & DOOR SWITCHES WIPER/WASHER G C1 C2 Purple 6 U          I  6 WG GP TEMP   G  4 P NY G sheet 5   SOLENOID  * DIMMER & MGC - US MARKET W         P      G  GB N PW G DIMMER ALTERNATOR WARNING      B  & SWITCH GO G P    GAUGE VOLTAGE  R  RG YR   3 U/LG    UR GW   8   WB  R GR sheet 9 2  W +   SWITCH B   G Green 1  LH FRONT  mods I do on my own MGB. hope you find them useful.  SEATBELT WARNING LAMP YK       LAMP     Y (R/LG) RH TS B  GN  HAZARD B *  PW  RG G Orange    RH TS  LG/N B  YP 8  B   R * and  indicate two switches combined in one housing * indicates two switches combined in one housing L   R B  Yellow B GK G N  G      ILLUMINATION LAMPS GK <>
  P HEADLIGHT 2 W F+ Ind  RW     Red    B RG R   OIL PRESSURE FLASHER RW WG    WR U  Left  Blue GW    STARTER  LG/N Wire colors shown in ( ) are supplied as part of the G OVERDRIVE B But the brown wire at the ignition switch should be 'hot' regardless.  SOLENOID P   *TS SWITCH STARTER  DISTRIBUTOR  LG/B    P   HAZARD + Orange RESISTOR  *TS SWITCH  GN  Left  BW N TAIL LIGHTS & RW  PW  P green PG  W2 W1 GN FUEL PUMP    PW C1 C2  RW B   GB   2 TURN SIGNAL  (GW)   P  green   LAMP B B   & DOOR SWITCHES 3 R  PB These PDF files can print full size on 11" x 17" paper. RW B RH FRONT UW   SEAT SWITCHES N Blue PB P  TRANSMISSION G UR GP  G   R GW WB  P   U Left R/LG B 1 0 obj
  B HORN   SOLENOID information about the MGB and MGB GT classic cars including news and reviews  also updates on repairs, servicing and diy modifications I do on my own MGB Roadster, Since winter has come Ive decided to upgrade the fuse box in my MGB GT. GP HEATER CONTROL Left 5  RG G  -   G     R R G    GN  (G/K) GR N  (GW) YN Left N Remove from terminal #5 of the fuse box (hot side) the connector with the white/brown wires on it.  Blue MOTOR  N/LG   6  ALTERNATOR WARNING White  G LH FRONT L   R 1  UW   NY    WB + B+    SWITCH GY  GK   Orange UW   YR W  GW GR  N G MARKER LIGHTS GW  N B GR B R RW RW  GR Posted by bdunaeth on Jun 14, 2011 Want Answer 0     SEATBELT GB GR P  UW FUEL GAUGE & SENDER Web 1978 mgb engine wiring harness. (W)  DIAGRAM 1 - 62/64 MGB LIGHTS  LOW BEAMS RH FRONT 8    (N/LG) COIL  HIGH BEAMS R 5N PK B Y  FLASHER  UW G VALVE & SWITCH HEATER      Y  GW  GY RADIO  (LG/B)    FUEL PUMP  B      I  UR STARTER     LG/N 6 TURN SIGNAL UR GW STABILIZER TAIL LIGHTS & 3 LG/G B FUEL GAUGE & SENDER  U/LG RW  3 B C1 HIGH BEAM INDICATOR R      NW W  4 B N SWITCH & LAMP   RW  G  = one pin of a multi pin connector. GO TACHOMETER   A dmp PUBLICATION  2005    2 YU WB WIPER/WASHER R G W  P   PW   WASHER MOTOR A useful resource showing wiring diagrams across all the years of mgb manufacture. GW   IGNITION B  W GW     WN P (LG/B) GR  W      FUEL GAUGE & SENDER   F Comments are closed.   BUTTON  CLOCK    W    R (UR)   G Right   YN G G   HEATER FAN LG/P   R      Red    Fuse Blocks. SWITCH         -  green  WIPER/WASHER GP   GP   G UR TURN SIGNAL  B  B  B GO Orange 2  R 8  B W LG/W GP Left R   NY G      RG STARTER  BG  LAMP    CIGAR G COURTESY LAMP O  (P)  G (B) LG/N   NY  (UR) FUEL GAUGE & SENDER  SPEEDOMETER & DOOR SWITCHES Ill send the PDF straight away.  B  W   GK  N  GAUGE YR RADIO   R  RG WU U  UR  Left UW WATER TEMPERATURE PG W STARTER C1 C2 GK R G UW   GW   11  L (GW)   everything out for the front part of the wiring harness.   SWITCH YR 2 B  WN  B    - TRANSMISSION        R   NP HEATER      *   1975 MGB W/PERIOD WARNING G B R  HORNS GP P   STARTER   (U) GK  STARTER  (GW)    ALTERNATOR WARNING  & SWITCH - GT ONLY -  GP CONNECTION    YP  N     G SPEEDOMETER TURN SIGNAL  green  R  GP     CONNECTION HORNS COIL Purple DIAGRAM 3 - 67/68 MGB GW P G GR   N 3 PW     UR  B N G A dmp PUBLICATION  2005  RH REAR N DISTRIBUTOR     LG/G information about the MGB and MGB GT classic cars including news and reviews  also updates on repairs, servicing and diy modifications I do on my own MGB Roadster. Black GY R  CONTROL B  BRAKE SWITCH   G  P RG (N) (PK) G N N  G Purple    Orange     G SWITCH W    CIGAR LIGHTER G  (U/LG)  N GO (B) LG/G     *HORN  I PW LG/N P B   3  P 3 GP  GW Y    5 RW    PW 1    R          W IGNITION VALVE & SWITCH   G   S  P 2  O GY   B U/LG   Green  G   REVERSE LIGHTS  TACHOMETER Blue I opened the hood (bonnet) and saw that the wire running across the engine had hit a   K 5 GK LG/P  WN    5 UW R  G    5   4 P R B 1 SWITCH   3 FUEL PUMP HIGH BEAM INDICATOR   BRAKE FAILURE    IGNITION 4  G  R FUEL LEVEL  (LG/N) GW G P 1   N DIMMER &  UR  HAND BRAKE  LG/G RW 2   B     DIMMER B RG B 5 P BATTERIES  Red  sheet 19 W LG/P   B N     W Slate 8 G  PW  P 1 N  (S)  GN     HORN  Purple R 4 G B GAUGE  (UR)   UR YR   (U) G  W2 W1 B RW & SWITCH - GT ONLY P  INDICATOR  GK Right U  OIL PRESSURE GW HORN N LG/N Several MGB enthusiasts have recommended that an in-line fuse should be added to the shift lever mounted switch overdrive wiring. PW U W W  N WIPER/WASHER  R 0 Response to "1973 Mg Mgb Wiring Diagram Schematic" Post a Comment. R B  P   TAIL LIGHTS &   DIMMER &  Right DIAGRAM 14 - 72/73 MGB   FUEL LEVEL  RW 2 R    PB FLASH-TO-PASS  HEATER CONTROL RW 8 Y YP R  LIGHTS G TAIL LIGHTS &    component they are connected to. B B    U/LG R   FROM BENTLEY 3NB064   LAMP SPEEDOMETER P 1   GR G OIL PRESSURE/WATER TEMPERATURE IGNITION  Slate G W UR     GO  N   Purple 14 Images about 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas : 1979 MG MGB Wiring Diagram | schematic diagram wiring, [DIAGRAM] 1967 Mgb Wiring Diagram and also [DIAGRAM] 1967 Mgb Wiring Diagram.  G (GW) HEADLIGHT   Right  INTERLOCK SWITCH Web 1977 mg mgb wiring diagrams the insulated live lead from the battery tends not to suffer from corrosion as much as the earth lead does,. 3   LG/W GR RW GK 8   COLOR CODES 1 INTERLOCK SWITCH G green W PG I      *These two switches are combined in one housing G B  RH REAR 2  R S     N TRUNK OR HATCH A dmp PUBLICATION  2005  N/LG U green  RW  (W) VALVE & SWITCH B +  7  B 1  CIGAR G N (LG/N) SWITCH  *TS SWITCH SWITCH GK (LG/N)  RELAY 2   BATTERY  G      ALTERNATOR WARNING SWITCH  PW     PG P  ANTI RUN-ON    U (W) OVERDRIVE  BW & DOOR SWITCHES LIGHTER  ON - OFF SWITCH    W RG B  B B G   HIGH BEAMS G  LICENSE PLATE LAMPS PW TACHOMETER RW 2  BRAKE SWITCH  GAUGE VOLTAGE INDUCTION N UR WIPER      LG/N LG/N B   GB  N/LG   + Slate  RH TS GN        RW  GB LG Light Green LH REAR G  2 GN R SOLENOID   WIPER/WASHER G LH REAR 8 NY CIGAR LIGHTER B  SWITCH R R GN   sheet 33 (N/LG) BRAKE  WN 4 TACHOMETER 7 LG/G  6 NY  FUEL GAUGE & SENDER R D GW YR G      P IGNITION G Brown  1 N N  B Purple   N  B  GP PW B GY  P   wanted the connection to the new fuse box under the dash, and built the wiring    N/LG ILLUMINATION LAMPS N + GW Ind Ind DISTRIBUTOR N 1  LIGHT/SWITCH LG/G G 1 FLASHER   N 5 CIGAR LIGHTER CONTROL  HIGH BEAMS R  B Orange     W B STARTER  R   R  N UW G DIMMER LAMP & SWITCHES TEMP GAUGE & SENDER LH REAR  P CONTROL   WLG  B+ SWITCH STARTER  GB RELAY 1  NP TEMP GAUGE & SENDER RW RH TS  5 GAUGE VOLTAGE G SPARK ADVANCE  B  3 UR Get your hands on the complete mg factory workshop software 9. 1    B TEMP GAUGE & SENDER DISTRIBUTOR  SWITCH SWITCH   CIGAR 4 + (LG/N)  SWITCH  8 1  G    SPEEDOMETER  3 YR  RG RW Red W G  Show full PDF. P INTERLOCK SWITCH   G R RW 3 BO  B  IGNITION WB RW + W   GP G green  B  - LG/G GO P  B N   8 B  W  COURTESY/MAP G  BG Y HORN  YP G ON - OFF SWITCH PB W HEATER CONTROL RW = one pin of a multi pin connector.  Mgb fuse.   FUEL PUMP   WR Get your hands on the complete MG factory workshop software .    P cars) I upload it to these pages for future reference - including jobs and 
 ILLUMINATION LAMPS  N  W  R  B 1 TURN SIGNAL B  WR 1 & SWITCH  WG   GR LH FRONT R  * and  indicate two switches combined in one housing  WB   RH TS   Slate   B Testing battery and charging system. HIGH BEAMS (N) (PK) B WB  VALVE & SWITCH UW    Right  GAUGE VOLTAGE  8 RELAY B RH FRONT     GP  CONNECTION     PW R -  HORNS G  G  fuel pump relay. G G  2     W  HEADLIGHT    G    RG G C1 C2 WIPER/WASHER GR    N      G G GN  GK 5  & SWITCH - GT ONLY  UW  GP LH TS  SPARK ADVANCE   (GK) GW   G  Purple P W  Slate  PW GR B  LH TS B   SWITCH G W 3 SWITCH  N  N  B  (UW)  UW  BRAKE SWITCH DIMMER  + OVERDRIVE     B GW HAZARD