PW GR STARTER Y R TURN SIGNAL GN B LG/G + I FUEL LEVEL & SWITCH - GT ONLY G CONTROL LIGHTS Description: Msd 6A 6200 Wiring Diagram Msd 6A Installation Instructions Wiring within Mgb Wiring Diagram, image size 500 X 356 px, and to view image details please click the image.. P (G) ILLUMINATION LAMPS 4 HAZARD 2 G L ALTERNATOR Y PW N G S N P UR R HIGH BEAMS FRONT PARKING & W PW N GR Brown R GAUGE VOLTAGE HIGH BEAM INDICATOR FLASHER DIMMER G Left GW G B LH REAR RW TACHOMETER RW G B LAMP & SWITCH B WG LG/N (GR) P L R LG Light Green FROM BENTLEY 2NB034 3 U/LG LH DOOR UW WIPER MOTOR RG YP 4 1 (WR) IGNITION PW 2 HIGH BEAMS PW R RW DIAGRAM 16 - 73/74 MGB LG/B VALVE & SWITCH GW FLASHER RW HAZARD B LAMP B TACHOMETER W UR NR 1 (B) *TS SWITCH 1 REGULATOR LH REAR GN HAZARD B *TS SWITCH RW (UR) WIPER MOTOR SEAT “BUTT” ANTI RUN-ON B LG/G WR LIGHTER Yellow SWITCH S LH TS R/LG LOW BEAMS GAUGE VOLTAGE LG/B R GR GW LAMP G - P 2 G RH REAR PW U B HAND BRAKE CIGAR GR W BRAKE SWITCH RW B R PB YP - LATE US MARKET MGB UR REAR WINDOW DEFROSTER G Purple LG/G LG/G PSNGR CIGAR N & SWITCH 4 GR GW LG/N (B) P RW RW RH REAR 2 PSNGR N N G G 3 green G FROM BENTLEY E1367W FLASHER TRANSMISSION GW 1 B R STABILIZER RH TS HORNS HEADLIGHT SPEEDOMETER Pink HAZARD LAMP & SWITCH P WIPER MOTOR B + SOLENOID R GR OIL PRESSURE LICENSE PLATE LAMPS 3 B WB R GN RELAY + DRIVER B 6 N B Left G GW N HIGH BEAMS O LG/P Green (GR) GR R LOW BEAMS UW 1 B GP R (R/LG) B B (P) LH FRONT G G G N N WB BRAKE SWITCH GR W 8 WB N HEATER FAN W G HAZARD INDICATOR GW WG N GW RW W2 W1 WG (LG/B) LICENSE PLATE LAMPS 12 OIL PRESSURE GAGE & SENDER N GP N W Y G 5 R FLASHER HEATER FAN PW B (U) GP G R G LOW BEAMS P LG/B G G SWITCH” B N Purple RH FRONT 2 UW STABILIZER GY N 4 7 LH REAR GW SWITCH RELAY W White UW G SWITCH Black 6 HEATER FAN 4 WR + (GR) IGNITION B R RH FRONT R GW G SWITCH GAGE & SENDER P P GR N/LG 3 HEATER FAN WN B 1 B GU PW BELT INTERLOCK SYSTEM N G UW B NY (N) (PK) WB R UW W White W B 3 B GN LAMP & SWITCH GN B G SOLENOID B REAR WINDOW DEFROSTER PW B TACHOMETER G sheet 26 W Yellow *TS SWITCH (UR) PG (U/LG) B FRONT PARKING NY GR GW (G/K) WIPER TRUNK/HATCH SPEEDOMETER GR P (UR) DIAGRAM 8 - 68/69 MGB FRONT PARKING & GP PW RG R RW CIGAR LIGHTER 4 TACHOMETER LH REAR 6 TURN SIGNAL 7 N GW Brown SEATBELT BUCKLE WB YR BATTERIES W SWITCHES 2 In that case, you might want a wiring diagram for your car that you can actually read! TACHOMETER BUTTON ILLUMINATION LAMPS GY GN HEATER FAN MOTOR GAUGE G YP B O MARKER LIGHTS WATER TEMPERATURE W UW R B PW B RW W R OIL PRESSURE P W W GW Blue B P SWITCH W LIGHTER REVERSE LIGHTS R G W Purple YP TAIL LIGHTS & RW N 2 B green B NY WB FLASH-TO-PASS LG/N N R ALTERNATOR WARNING RW GT W1 C2 CONTROL DISTRIBUTOR DISTRIBUTOR 3 B 1 Red YR YP G R Right BG B TRUNK LAMP (UR) 4 5 Y WN Purple UW FLASHER Brown 4 K P SWITCH RG PG G BRAKE SWITCH B Y GT & SWITCH Y RG PG B TACHOMETER WLG R BRAKE G GN Purple 2 component they are connected to. ALTERNATOR G ON - OFF SWITCH RADIO N RW P SPEEDOMETER YP B COIL & INDICATOR (GT only) RW YG - S HIGH BEAM INDICATOR G STABILIZER RW green G 2 B RW NOT USED - LEFT OVER FROM SWITCH COURTESY LAMP B 1 GW B 2 * SOLENOID SWITCHES GB LG/G P †OVERDRIVE 4 3 LAMP & SWITCH GN 2 UW RELAY HEADLIGHT Y GP & SWITCH - GT ONLY RH FRONT UW W SWITCH 2 WR TRUNK LAMP LG/G W2 C1 R R B B N HEATER CONTROL SOLENOID Ind Ind LH TS B 3 INTERLOCK SWITCH BATTERIES WR YR HEATER HEATER CONTROL RW U STARTER COLOR CODES 1 W2 C1 B TRANSMISSION = one pin of a multi pin connector. R HORNS N G LH FRONT G WB R BG N + R/LG U G IGNITION Wire colors shown in ( ) are supplied as part of the R 3 B I SWITCH GW HEATER FAN G G Right PW B sheet 30 Wire colors shown in ( ) are supplied as part of the WIPER GW GY G WR (WG) R G - Yellow PB *TS SWITCH GK W (WR) L SP G LH REAR FUSE BOX * DIMMER & * “FLASH-TO-PASS S TAIL, REAR MARKER, & (LG/B) G LAMP & SWITCH G GO B G G ON - OFF SWITCH HORN B YP B PB GY NW TAIL, REAR MARKER, & N K (GW) YP R P BG PG SPARK HEATER FAN MOTOR N/LG WR COUNTER & LAMP BUTTON B B GP W White 1 CIGAR LIGHTER Left (WR) WIPER MOTOR HAZARD R INDICATOR B P L FLASHER BATTERIES UW PK GY WN component they are connected to. N P HIGH BEAMS green green G C1 W F GENERATOR N G W DIMMER G GN UR GR PW (UW) HORNS 1 STABILIZER G GK †WIPER/WASHER PG (N) (PK) Y + VALVE & SWITCH B FUEL LEVEL G R COIL G CIGAR G YN DIMMER & WR LG/G WG W FUEL GAUGE & SENDER (U) SWITCH & LAMP STARTER N W White R DIAGRAM 9 - 69/71 MGB FUEL PUMP REVERSE LIGHTS (W) Left SWITCH F CIGAR LIGHTER INTERLOCK SWITCH component they are connected to. R WB (W) BATTERY GW WB Black G P RW SY N GAUGE & DASH R BW SWITCH GR 6 HEATER FAN R U B G RW R 2 component they are connected to. G green N B FROM BENTLEY E3211BW GP W/LG C1 C2 - YP R W B GO R 2 W YN WLG W 6 (GR) HAZARD W RW N WB N Slate HEATER CONTROL Y G ILLUMINATION LAMPS 5 RW W B B GW G + INDICATOR PB N 2 G B 1 G GN 1975 MGB W/SEQUENTIAL SEAT BELT B BG SWITCH” LG/G LIGHT/SWITCH N GP TURN SIGNAL R DEFROSTER SWITCH 2 RW UR N R ALTERNATOR IGNITION B G B STABILIZER B R/LG N G R P R W U RG 75/76 UK MARKET MGB G PW TRANSMISSION GR GW GR P P 1 Blue TURN SIGNAL (UW) G (N/LG) GU 4 GN B C1 C2 Right RELAY LH REAR GB Black NY PB U DIAGRAM 3 - 67/68 MGB PW FLASHER FLASHER 7 D CIGAR IGNITION GW (LG/N) 1 WB * K HEADLIGHT VALVE & SWITCH G G WU TRANSMISSION LICENSE PLATE LAMPS P GAUGE VOLTAGE Batt + + GN NB STABILIZER 10 B + BUTTON GW RW LAMP UR 2 TACHOMETER GP YP RG F B G Left 7 B N GN 1 B Left N/LG YB SPEEDOMETER G LH FRONT PG P P 1 GAUGE G G B LG/G B 2 W B HEADLIGHT RN GP GO GK GB B WB U LG/N RG GN R/LG B P green SWITCH U/LG G Fitted to early GHN3 Roadster models with 18G (3 main bearing) engine. WR green 6 WN TACHOMETER TEMPERATURE *HORN DISTRIBUTOR G CONTROL B 2 IGNITION G 1 B SOLENOID WASHER MOTOR GY GR 2 W W K *TS SWITCH OVERDRIVE U/LG R Orange CONNECTION GR GW GR (N) Y Black PG sheet 10 GN HIGH BEAM INDICATOR Orange R TURN SIGNAL G Y GT R B R RW GR INTERLOCK SWITCH RADIO 3 GN B HAZARD Blue B (UR) R B WR GN W N LH FRONT N BUZZER SWITCH (N/LG) R G GB UW P 1 N (R/LG) G LG/G N 7 G & TEST SWITCH B GR P GAUGE VOLTAGE R GB R B (UR) B GAUGE 5 8 TRANSMISSION GR P 2 R GW SWITCH ILLUMINATION LAMPS I also did away with the column switch and wired everything to toggle switches (the original switch was beyond repair (may purchase a new one later). R R U N LG/N B B TURN SIGNAL & LAMP WIPER/WASHER R W G FRONT PARKING NY SCHEMATIC DIAGRAMS. LG/P U 7 LH TS HEATER FAN MOTOR SPEEDOMETER RG G MODULE G S B (GW) Slate S WIPER MOTOR The wiring diagram is proving to be exceptionally useful. ILLUMINATION LAMPS YN PB OIL PRESSURE N COLOR CODES 1 5 RW DIMMER & 1976 MGB W/O CAT CONV DIMMER & B CLOCK RW 1 5 W GN NY GR RH TS FUEL LEVEL B INDICATOR Wire colors shown in ( ) are supplied as part of the R N RG B P (LG/N) BRAKE FAILURE FLASHER W U Yellow Yellow B (U/LG) G RW W G 5 (GR) RG B P DIAGRAM 10 - 70/71 MGB RG U 2 G SWITCH MARKER LIGHTS WR N N 2 B R GR BATTERIES C2 UR 3 R N RG LAMP 2 W HIGH BEAM INDICATOR 6 N Blue (U/LG) TEMP GAUGE & SENDER INERTIA B 6 A dmp PUBLICATION © 2005 Left O GP O YW G Left P N (LG/B) GAUGE & DASH PK GAUGE & DASH 7 G G TAIL, REAR MARKER, & B NY BUTTON G HEATER FAN MOTOR 6 OIL PRESSURE/WATER TEMPERATURE R Yellow SWITCH MG - MGB - Parts Catalogue - 2016 - 2016 (German), Get your hands on the Complete MG Factory Workshop Software, We'll send you a quick email a new MG MGB document is added. MARKER LIGHTS & DOOR SWITCHES RW P WR G W (R/LG) N B RW GW B W 4 WASHER MOTOR ILLUMINATION LAMPS PW TRUNK/HATCH U STARTER (U) B GP B BW HEADLIGHT W HEADLIGHT B PB Contrary to what most conversation advice state, this conversation kit does require one to swap the rear axle for the OE wire wheel axle. RG 2 3 R R G R/LG UW Mechanical tacho, dynamo. Blue R INDICATOR RG 1 STARTER RG RW R/LG P (UR) SWITCH RG N Slate 3 (UR) RH FRONT N P (U) B 5 B BRAKE SWITCH FUSE BOX R 3 B UW U Left R B GN W UW PW RG 1 G LG/G WG GN HORN G B Wire colors shown in ( ) are supplied as part of the SPEEDOMETER U/LG CONTROL SWITCH GP (GR) R 6 PW WB SWITCH WR - B GN WB PB HAZARD LG Light Green SEAT SWITCHES 5 NY 2 1 MODULE GR SWITCH GB HEATER FAN 4 B SWITCH B G Slate HEATER FAN MOTOR N GK SWITCH 3 RW N GR WIPER R W2 C1 REAR WINDOW DEFROSTER, SWITCH 4 THROTTLE SWITCH GAUGE VOLTAGE Wire colors shown in ( ) are supplied as part of the R P SWITCH & LAMP WARNING LAMP W 4 B G G P GN WIPER/WASHER L GR W2 C1 ILLUMINATION LAMPS B 7 CONNECTION green INDICATOR & SWITCH RW CIGAR LIGHTER 3 W G LAMP & SWITCH B B YO FLASH-TO-PASS component they are connected to. WR TAIL LIGHTS & I W B GW OIL PRESSURE LG/N Left 3 UR PW 3 4 LG/N LIGHTS U/LG WG G TAIL, REAR MARKER, & U 4 TR-2, 3, & 4 Wiring Diagrams. B (U/LG) R/LG B G 4 P 8 (GW) N R G WG SWITCH B GR W 3 RG batt B L W P G B B 5 SOLENOID COURTESY LAMP PW LG/G G (GW) R LICENSE PLATE LAMPS Would recommend to anyone having wiring problems. YP G GU BRAKE N W N N FROM HAYNES GK S A dmp PUBLICATION © 2005 LIGHTS GAUGE VOLTAGE GAUGE & DASH WB RW UR WG B GT WG K WB W (GR) 4 B G (GR) RW REAR WINDOW DEFROSTER B B Brown WARNING LAMP GO N SOLENOID Red WIPER MOTOR 357-348: MGB Complete Wiring Harness, vinyl, mid 1972: MG RD from car 267580 to car 280480 mid 1972 Available on Back Order B MARKER LIGHTS GW (LG/N) HEADLIGHT N 3 P P Green = one pin of a multi pin connector. SY LG/N GP PW SWITCH B PB TAIL, REAR MARKER, & G U B B GB YP 1 ALTERNATOR COIL GP GP HAZARD G SWITCH RG 8 B W1 C2 YP B 7 HIGH BEAM INDICATOR * GW LG/G R Ind P R W FUEL GAUGE & SENDER Orange GR Y RW HIGH BEAM INDICATOR WIPER/WASHER N W GK Left + WB Search for Wiring Diagrams 1963 Mgb here and subscribe to this site Wiring Diagrams 1963 Mgb … U 5 L W GK LG/P G GR R/LG LAMP & SWITCH PW R W GAUGE & DASH 3 & LAMP UW HEADLIGHT 5 G UW G PB W B Slate BW R MARKER LIGHTS B G R B B Black G Blue K FRONT PARKING & FLASHER Yellow WG WB LG/G B G MGB Guitars & Part Supplier is the Premier Cigar Box Guitar Parts Supplier. B SP GN 11 SWITCH P R UR G G 3 DIMMER P P 2 W R LIGHT/SWITCH 3 INTERLOCK SWITCH R OVERDRIVE + HEATER FAN REVERSE LIGHTS OVERDRIVE COURTESY LAMP N G N SWITCH Pink HEATER (LG/B) STARTER B FLASH-TO-PASS B GR LH TS 2 P 3 P LAMP & SWITCH W TRANSMISSION Green L W Right RADIO RW 7 HAND BRAKE HEATER FAN (GW) sheet 1 R SWITCHES G W TRANSMISSION G RW HEATER FAN P P N G LH REAR WR WIPER N PK YN 5 R LG/B WR Ind TACHOMETER 1967 MGB wiring diagram. 1 LG/N N BG P RG GAUGE VOLTAGE OIL PRESSURE U DISTRIBUTOR 3 2 G NY W B *HORN TRUNK/HATCH Y S G INERTIA SWITCH Y B BRAKE SWITCH B GAUGE & DASH HEATER FAN RG GN FLASHER B LICENSE PLATE LAMPS RW 6 GP LG/N (P) YN 1 RW G 5 6 Brown 2 Black * GW Brown 1 R OVERDRIVE & DOOR SWITCHES SWITCH UR 8 2 G B DIMMER R (GW) N 8 Orange N 2 RG LIGHTS RW 1 (GR) WN 8 R W 4 GK W RW P NR B B B INTERLOCK SWITCH O P FUEL PUMP WR G P Ind PW COIL B MODULE SOLENOID Slate B PW B BG B 5 FUEL PUMP WB Pink 6 R LG/G YR RW G F 4 G HORN LH TS 5 UW Yellow FROM BENTLEY 5NB063 G BALLAST TAIL, REAR MARKER, & BG 3 G BRAKE SWITCH N B G WR 1 FLASHER LAMP ALTERNATOR WARNING B NP 8 GK N W R 1 + * DIMMER & Locking set MGB-L1...-EI (guard locking by spring force) with 2 push buttons, emergency stop (MGB-L1HB-EIA-R-126636, Order no. OVERDRIVE G GK & DOOR SWITCHES LH FRONT + N GAUGE VOLTAGE B FUSE BOX LAMP U/LG GP UR RW N 2 Left U B W B NW GW R PB THERMOSTAT HAND BRAKE W SPEEDOMETER W YN B LH REAR B Ind G GR SWITCH HEADLIGHT CIGAR LIGHTER SWITCH GP 5 SWITCH C1 W1 G PB GP SWITCH HEATER CONTROL R red WATER TEMPERATURE Wire colors shown in ( ) are supplied as part of the WIPER MOTOR G B HORNS GU LAMP G G B L GR DISTRIBUTOR PB LH FRONT GY 3 4 OVERDRIVE RH REAR DRIVER GR R ALTERNATOR N LG Light Green WB UR SWITCH G FUSE BOX REAR WINDOW DEFROSTER B R (UR) TRUNK/HATCH & DOOR SWITCHES GP IGNITION GR G ALTERNATOR WARNING 8 COURTESY/MAP OVERDRIVE R WR PB NG OVERDRIVE (GR) 7 Purple 2 SPEEDOMETER R G BATTERY CIGAR LIGHTER R/LG FUEL PUMP G RW B P NY 2 BALLAST - Yellow B SWITCH 6 B N W WG TACHOMETER B P R W2 C1 1 LG/P Ind Ind WIRE WLG HIGH BEAM INDICATOR REVERSE LIGHTS FROM LATE BENTLEY LG/N SWITCH GW SEATBELT B GAUGE WB B ILLUMINATION LAMPS B CLOCK GW 2 TRANSMISSION (G/K) 1 sheet 13 R TACHOMETER YP IGNITION N - LIGHTER B WATER TEMPERATURE FRONT & REAR G WG R Purple Y LG Light Green (UW) B RH TS B WN (GW) A dmp PUBLICATION © 2005 Black WLG LG/B B 3 GR 3 GN G PB GW UW UR N B Red TURN SIGNAL R SEATBELT LH DOOR R B B SWITCH 8 green N LG/P RG & SWITCH N W DIMMER STARTER RW RESISTOR W R G Red Brown G 1974 - 1975 MODELS WITH SEAT STABILIZER 1 R GN Green UW R R RW RW (GR) GEARBOX SWITCH P N BO GP N Wiring Diagrams for MGB, MGC Click links for 33 different wiring diagrams for MGB and MGC, large format in color. W G 2 W B B 2 SWITCH LIGHTER GN Y B GR WB RG ALTERNATOR B G DISTRIBUTOR R REAR WINDOW DEFROSTER PB RW REAR WINDOW DEFROSTER U/LG The image below shows these connections correctly. R L YP B RH FRONT G UW BUZZER WLG N WASHER MOTOR LOW BEAMS FRONT PARKING R N COURTESY LAMP W P Pink R 2 DIMMER GR YP B CIGAR RW IGNITION PK WG N MGA -- MGA (1500cc), MGA Coupe, MGA Twin Cam. Y G REAR WINDOW DEFROSTER ALTERNATOR WARNING O (W) R B G SWITCH * “FLASH-TO-PASS R NY (U) 6 B LG/P FUEL LEVEL B RP WN IGNITION N 6 DRIVER L B INDICATOR W GW B B CONTROL Right SPARK ADVANCE FROM BENTLEY E3211W R SWITCH WN N PW W * Left = one pin of a multi pin connector. 4 B GR FUEL GAUGE & SENDER - W2 W1 Y B P B green TRUNK LAMP G WG WR component they are connected to. W RN LAMP TEMP GAUGE & SENDER COIL S RW GW 1 CIGAR N Pink UW B STABILIZER GK K R FUSE BOX B B GK COLOR CODES SEATBELT BUCKLE SWITCH GR green LG/G GR & DOOR SWITCHES LAMP RG G B sheet 7 U UR GW G G G DISTRIBUTOR YP P N 2 CONTROL SEATBELT N GAUGE VOLTAGE Purple 1 1 R/LG INTERLOCK SWITCH RW B R N 1 LG/G 1 B K GN GAUGE & DASH GK Brown RW Pink WB WR G LG Light Green Red W GY CONTROL 3 B FLASHER 5 EGR SERVICE 2 BATTERIES Right SPEEDOMETER 4 SWITCH G FRONT PARKING LG/G LH TS B O LIGHTER W White 2 W White TEMPERATURE FLASH-TO-PASS YR B RG GN W2 LH TS 2 W GO GN G 4 PB CIGAR TURN SIGNAL STARTER †WIPER/WASHER R B L R/LG LG/G FLASHER W1 RW PW B SWITCH (UR) UW (N/LG) LIGHTER N sheet 8 INTERLOCK SWITCH R DIAGRAM 14 - 72/73 MGB 8 G WR GR RELAY P RELAY R HEATER FAN OIL PRESSURE/WATER TEMPERATURE OVERDRIVE †OVERDRIVE B R U LG/N B W P UR sheet 19 W Pink Orange WR GN R/LG 6 N RG 3 2 G COURTESY LAMP GW CIGAR B - HEATER FAN 5 RG GW PB UR B GR GW GW G G N GP UR FLASHER B LG/N B G RN RH REAR B RG RG B RW RADIO RW GW RW ANTI RUN-ON A dmp PUBLICATION © 2005 3 W L TAIL, REAR MARKER, & BRAKE SWITCH RG WB B REVERSE LIGHTS LIGHTER COLOR CODES 6 ALTERNATOR LICENSE PLATE LAMPS Drag the slider left to right to donate what you can. P (N) GR WB PB W Y LG/N R * and † indicate two switches combined in one housing UW N RH FRONT G GP FROM HAYNES W White CONTROL YO R G GW GR R 1974 - 1975 MODELS WITH SEAT B (U/LG) GAUGE & DASH N TACHOMETER LIGHTS C [05/2011] MGB SERIES. 4 F HORNS B W White O 3 OVERDRIVE GN G R RH FRONT Black B B L TACHOMETER Yellow G G YU HAZARD W B N P N 3 GR FUEL GAUGE & SENDER 3 W HIGH BEAMS G FUEL GAUGE & SENDER 3 MOTOR RN GN GN YR SEATBELT BUCKLE HAZARD LG/G RG *TS SWITCH LOW BEAMS GN LAMP SWITCH GW 5 W TACHOMETER Black Purple GAUGE & DASH TEMP GAUGE & SENDER B R G G GAUGE & DASH WB W GN *TS SWITCH DISTRIBUTOR *TS SWITCH G FANS N INTERLOCK SWITCH B DISTRIBUTOR DISTRIBUTOR N LG/G G ALTERNATOR B N RH REAR P LG/G (UR) B P INDICATOR G PB IGNITION Wire colors shown in ( ) are supplied as part of the Left GY BRAKE FAILURE PW R GW RW GAUGE B U UW DISTRIBUTOR TACHOMETER R FUSE BOX GW LG Light Green 2 GK B (R/LG) SOLENOID 7 G SWITCH HEADLIGHT N G NP N WIRING DIAGRAMS In COLOR for MGA Cars - ET-101K Color renderings compliments of Jeff Strong in Eden, New York, USA Click for larger images in printable PDF files. B GP Brown Slate 5 W LIGHTS STARTER G 3 G †OVERDRIVE BRAKE MGC - UK MARKET R STABILIZER B U/LG HEADLIGHT P GK DIMMER & DOOR SWITCHES R UR B GO N/LG B 6 COURTESY/MAP Green 1 SWITCH (GW) B REAR WINDOW P NOT USED - LEFT OVER FROM W LH REAR WN GAUGE SP GK GW R GAUGE STARTER P G DIAGRAM 12 - 71/72 MGB Slate (N/LG) BRAKE FAILURE SWITCH & LAMP IGNITION RW W/LG GW - YP W R BALLAST Slate FUEL PUMP OVERDRIVE YP GP LOW BEAMS R PB 2 B red component they are connected to. INDICATOR & DOOR SWITCHES N *TS SWITCH GK STARTER N/LG SWITCH N G GW R B SWITCH R COIL STABILIZER G SWITCH PG ILLUMINATION LAMPS GR HEATER FAN BUTTON R HEADLIGHT RH REAR N B GW GR B N GR WU B 5 LOW BEAMS L LG/N YP †OVERDRIVE B 2 P 3 B 7 COIL SP FLASH-TO-PASS RN GP P sheet 17 G N N G TACHOMETER HIGH BEAM INDICATOR HAZARD N HEATER FRONT & REAR W 5 UR W Free Shipping on all US orders! RG W W 3 B LICENSE PLATE LAMPS HORNS W2 W1 UW B PG HEATER CONTROL RW GN RH FRONT P 7 ILLUMINATION LAMPS N FLASHER 1 W GW GR (S) O COIL U GR 3 COIL G FUEL LEVEL ON - OFF SWITCH TACHOMETER Right B B COIL green C1 C2 G B RG ALTERNATOR WARNING RH FRONT GAUGE & DASH GP P Right 3 G 3 DIAGRAM 6 - 70/71 MGB (R/LG) G PB 2 green HEATER FAN MOTOR INDICATOR LH REAR * and † indicate two switches combined in one housing P W1 W2 SWITCH CIGAR G G PB W White NY GB 2 INDICATOR YR Y 2 (U) GR N WG B R 3 (UW) HORNS O green RW N GK CIGAR LIGHTER W White (P) IGNITION G SPEEDOMETER sheet 33 (P) 5 W RW HAZARD GN RG WB LG/N STARTER LAMP Left HORN (LG/N) P LAMP & SWITCH WB B = one pin of a multi pin connector. RH REAR N HEADLIGHT GK LH REAR YR G 6 GW component they are connected to. LG Light Green 5 PB 4 R TRUNK/HATCH G UR G 1 * GAUGE VOLTAGE B ALTERNATOR B GB COUNTER & LAMP + 1 IGNITION UR 4 G G LG/P LG/P Black GN RH REAR (S) (UW) STARTER G (GR) 8 B B (UW) Purple B - G PW component they are connected to. B & SWITCH 7 R U Purple MARKER LIGHTS G 2 W R GN FUEL PUMP Purple & SWITCH ILLUMINATION LAMPS RG G sheet 9 INDICATOR G OIL PRESSURE R LH TS 5 W/LG R FANS LICENSE PLATE LAMPS R To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. 3 RW INTERLOCK SWITCH NP R Y B (U) RW Yellow I R + YP Ind *TS SWITCH DISTRIBUTOR W RW BRAKE SWITCH R G B 4 1 WIPER/WASHER RADIO G Posted by Unknown on 25th Jul 2017 Doing a complete restore of a 1971 MGB GT and will be replacing every inch of wire. G G HAZARD HEATER FAN STABILIZER R VALVE & SWITCH G P (U/LG) BRAKE BW 1 5 GN GAUGE VOLTAGE RG OIL PRESSURE 3 LH DOOR - GK G N G GW GP UW SPEEDOMETER P 1 G YP (GW) N P & LAMP NY GN LG/G * indicates two switches combined in one housing component they are connected to. COLOR CODES GB TEMP GAUGE & SENDER LG/P LICENSE PLATE LAMPS 4 G ALTERNATOR WARNING RG G B & DOOR SWITCHES DIMMER & (LG/N) Essential in tracing and repairing old wiring, these follow the original wiring colours. LG/N green UW B 5 SWITCH W STARTER G G SWITCH P LH FRONT B RG WB Blue COURTESY LAMP S YW 7 N B Left RW & LAMP (LG/N) R GY LG/N Wire colors shown in ( ) are supplied as part of the R P GW DIMMER G FLASHER N B HEATER FAN MOTOR B + R/LG BRAKE SWITCH Yellow 4 COURTESY/MAP HEATER FAN MOTOR HAZARD R B B R B B GK + RW ILLUMINATION LAMPS (P) SWITCH (B) 2 Right WG 4 P 1 B 1 SEATBELT SWITCH LIGHTER WB N W G & TEST SWITCH N HEATER CONTROL I’ll send the PDF straight away. Wire colors shown in ( ) are supplied as part of the SWITCH †OVERDRIVE 8 LAMP B PW component they are connected to. G Pink 6 LAMP GW SWITCH HORN 3 RW SWITCH R/LG W B GAUGE REVERSE SWITCH U WASHER MOTOR G WB Y GN ALTERNATOR WARNING 3 Wire colors shown in ( ) are supplied as part of the REGULATOR 8 (UW) G FLASH-TO-PASS P G G G TACHOMETER GW W B green 3 - LICENSE PLATE LAMPS LOW BEAMS W1 W2 3 †WIPER/WASHER R R (WR) OIL PRESSURE K FUEL GAUGE & SENDER *TS SWITCH & SWITCH - GT ONLY COLOR CODES P N CIGAR LIGHTER W/LG W Y (UR) GK B P N GAUGE VOLTAGE ANTI RUN-ON & SWITCH NP R B GR 2 SPARK ADVANCE G WR GR INTERLOCK SWITCH B Right FUEL LEVEL COOLING REVERSE LIGHTS 6 4 G BUZZER HEATER FAN RG B B GP 8 G R RADIO OVERDRIVE UR NW GW R GAUGE Strings, Tools, & more just want to keep it going ) MGA -... 250 & 6 wiring Diagrams PDF Updated: January 2021 and so forth the F, and. $ 1,000 per month keep online and is totally reliant on donations to keep it going the,... And will be replacing every inch of wire a new wiring harness in an MGB was a consideration made the. 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