TRUNK/HATCH RH TS B W White RH FRONT RW LH TS RW B LH DOOR G B PB R FLASH-TO-PASS UW MODULE RW INTERLOCK SWITCH Left Y 1 YU GO YN RW N P UR U WB = one pin of a multi pin connector. WG 2 Pink GK NP HEADLIGHT R LG/G FRONT PARKING GW P LG/G SWITCHES (LG/N) TURN SIGNAL 2 WIPER MOTOR K WARNING LAMP GO Orange TACHOMETER R P B 6 L WR W White 4 GW B B GN * indicates two switches combined in one housing COURTESY LAMP SWITCH (LG/N) 1 W2 C1 2 W 5 R GR DIAGRAM 7 - 67/68 MGB R GN B P W RH FRONT G Left LG/B P B GN SWITCH B RW SOLENOID 4 U/LG component they are connected to. RG BRAKE WB WN 1 N (G/K) P TAIL, REAR MARKER, & W 3 GW 4 A dmp PUBLICATION 2005 GP R R 1 RH REAR I MGBGTV8 WN GR UW P G G N N WG PG W 5 B W R Wire colors shown in ( ) are supplied as part of the ON - OFF SWITCH COIL GN 4 blocks on my panel, 17amp continous/35amp blow rating. LG/G OIL PRESSURE/WATER TEMPERATURE YN B FUEL LEVEL UW P OVERDRIVE HEADLIGHT OVERDRIVE SWITCH LAMP G Yellow B N 3 5 RW STABILIZER TRUNK/HATCH R N B R B (LG/N) OIL PRESSURE INDICATOR N R R WLG G Orange N P 8 LG/B THROTTLE SWITCH REAR WINDOW DEFROSTER 5 UW N N - RELAY UR & SWITCH LG/G YP Y (W) B Left FUEL PUMP R WB 4 P Right 1 HORNS B W PW - P DRIVER B B TRANSMISSION G G GW GW N GW G B B EGR SERVICE GK G Right CONTROL SWITCH W 7 G 2 G FUEL PUMP (R/LG) P 3 G W Pretty please could you help? R B B LG/G BUTTON 7 P LH REAR green LG/G (U) HIGH BEAM INDICATOR W2 W1 W SWITCH INDICATOR LG/G UW BATTERIES IGNITION P Green 1964-1978 MGB Electrical Wiring Diagrams PDF Updated: April 2023. 1 ON - OFF SWITCH B RW B C1 G GN UW SWITCH W B B BUTTON OIL PRESSURE B + 8 4 LIGHTER ILLUMINATION LAMPS 1 YN B COURTESY LAMP R LH DOOR G 7 FLASHER ALTERNATOR WARNING 2 sheet 18 N G WIPER/WASHER DIMMER RW LG/Y B 5 HEADLIGHT G G HIGH BEAM INDICATOR green PG UR B P (P) B 3 W1 B RW HEATER FAN B GB GR GW R UW R R/LG COLOR CODES FUEL PUMP PB B WR BRAKE FAILURE GK GR RW Enjoying this article? 4 C1 C2 RW N HEATER FAN Red G R R SWITCH N G Right RG SPEEDOMETER N HIGH BEAM INDICATOR R N RELAY Purple UW WB (N/LG) (GW) N R GW YP W COLOR CODES DISTRIBUTOR VALVE & SWITCH SWITCH DISTRIBUTOR W White W COLOR CODES *These two switches are combined in one housing ON - OFF SWITCH PW B R W 8 4 WASHER MOTOR Black B GN W White Black 5 6 GO G N 6 7 INDICATOR NP YR W RW O 2 COIL RELAY B FRONT & REAR - REVERSE SWITCH B B REAR WINDOW DEFROSTER G R R GR N STARTER W Red PW SP HAZARD B STARTER GW BG P HORNS R Left Slate LH FRONT G G UW W N SWITCH G B (WR) 7 BW W B R GB 1 GP BRAKE FAILURE CIGAR G SWITCH N RH REAR 4 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. Left S (GR) R GP GP GW G RW Blue W SWITCH F WL D E SWITCH RH REAR N R P G IGNITION HIGH BEAM INDICATOR LOW BEAMS GP P RW LG/P WR UR B LG/G GAUGE & DASH + G SEATBELT BUCKLE SWITCH Right HEADLIGHT R LG/N (GK) VALVE & SWITCH R A dmp PUBLICATION 2005 B R Y B GAUGE & DASH FLASH-TO-PASS 4 P = one pin of a multi pin connector. UW TURN SIGNAL LICENSE PLATE LAMPS Blue the coating off the wire, hit the starter block, and started burning into my wiring INDICATOR G U RW = one pin of a multi pin connector. B Brown sheet 4 NY MODULE WLG NY COURTESY LAMP SWITCH P R G K RW R BRAKE SWITCH OIL PRESSURE GAGE & SENDER COURTESY LAMP 1 R G IGNITION OVERDRIVE N LH TS . *TS SWITCH 2 PW B R P TACHOMETER G P RH FRONT R B N B+ 3 N DIMMER RELAY U/LG LH FRONT W GW 8 G FRONT PARKING & LG/G HORNS GK + B+ (UR) LH REAR HIGH BEAMS WB SWITCH - GW G BRAKE SWITCH G N B G GK LH REAR G P & DOOR SWITCHES green COURTESY/MAP ON - OFF SWITCH B WATER TEMPERATURE CONTROL SWITCH 5 Left HIGH BEAM INDICATOR RW UR B Y GK HIGH BEAM INDICATOR R B INERTIA RW FUEL GAUGE & SENDER Orange WR R PB GR NY Blue NOT USED - LEFT OVER FROM (B) 13. TACHOMETER R B B GN BRAKE P PSNGR GO LIGHTS Black G RW GW HEATER FAN R HEATER FAN P B RN 7 3 5 UW 3 R Red Red (U/LG) FUSE BOX P DISTRIBUTOR PB R HORNS K W 5 RG REVERSE LIGHTS A dmp PUBLICATION 2005 Red RH FRONT GN N (GR) P GAUGE VOLTAGE LOW BEAMS L RADIO SWITCH LAMP N + + B Right B component they are connected to. U N PB YR Right HEATER FAN MOTOR GW STARTER 3 STABILIZER GR GW (U/LG) 4 G RW RW NY B (P) UW 7 P (UW) N NY (U) RADIO HORNS R TACHOMETER LG/G green GK N B FLASHER B FUEL LEVEL B Left * DIMMER & TACHOMETER G N PW ALTERNATOR WARNING CIGAR LG/N GR G (LG/N) & SWITCH - GT ONLY GB RG 10 TRANSMISSION B INDICATOR B R REAR WINDOW P LAMP GK RW B HORN R Roadster W1 C2 Slate G G FUEL GAUGE & SENDER (U) GW RW REAR WINDOW DEFROSTER PB G RG (LG/N) B FRONT PARKING & P R SWITCH B GO G B LIGHTS P U B P WASHER MOTOR ALTERNATOR WARNING C1 C2 UW W P 2 1 BW CLOCK RG RG 1974 - 1975 MODELS WITH SEAT N/LG INTERLOCK SWITCH YP B YN G RW R NR B W * and indicate two switches combined in one housing Ind W GK LG/P R (UR) HIGH BEAMS All the auto parts shops in the area do not carry british type. INDICATOR HEATER FAN W/LG GN SWITCH GR P RELAY GW (LG/N) N TEMP GAUGE & SENDER B GAUGE WIPER MOTOR TACHOMETER N LAMP G B B 7 GR 3 P 1 G Yellow BW GP FROM LATE BENTLEY C2 W2 W INDICATOR FLASHER WN (R/LG) NP R GK GAUGE VOLTAGE GW Green B B G Y 4 SWITCH BATTERY CLOCK CIGAR LIGHTER B N R NW LIGHTS GY N R GR SWITCH G OVERDRIVE GU U N HORNS RW F HIGH BEAM INDICATOR INDICATOR N REVERSE LIGHTS SWITCH B green Y LG/N GW G G INDICATOR G RH TS Orange (GR) PB B (U/LG) & TEST SWITCH STARTER N B B LG/N TURN SIGNAL SWITCH B CONNECTION BRAKE FAILURE N LG/N REAR WINDOW DEFROST 1 GR OVERDRIVE SWITCH B SWITCH B GW HIGH BEAMS WB GR + B UW VALVE & SWITCH 8 (LG/N) G BUZZER GP LG/P Blue TEMPERATURE SWITCH N 5 G B GR OVERDRIVE PG B P 3 B R R G B UW W TAIL LIGHTS & UR G Green ON - OFF SWITCH G (P) N Red B 3 LG/P LH FRONT GN W UR LH DOOR CIGAR LIGHTER N N G + HEATER FAN G B UR HEATER FAN MOTOR MARKER LIGHTS WASHER MOTOR B R N '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2 '78 Alfa Romeo Spider-undergoing surgery: O=\*/=O (LG/N) B GR U/LG RADIO PG 1 R WG R UR R B WN (12) 12 product ratings - LUCAS 2 FUSE FUSE BOX AND LID MGA MGB MIDGET MINI TRIUMPH 606253A 54038068. PW LG/P 6 1 Slate LICENSE PLATE LAMPS R HORNS IGNITION VALVE & SWITCH N B ILLUMINATION LAMPS (GW) I P W GR ILLUMINATION LAMPS W U RH TS WB COURTESY LAMP N GN WG RH TS (WG) INDICATOR FUEL GAUGE & SENDER LG/G G 1 Roadster G OIL PRESSURE R P CONTROL RW Green Several MGB enthusiasts have recommended that an in-line fuse should be added to the shift lever mounted switch overdrive wiring. LG/G 6 ON - OFF SWITCH W 1974 - 1975 MODELS WITH SEAT = one pin of a multi pin connector. R (W) WR W P GN UW (GR) RW Left COURTESY/MAP LG/N W (LG/N) Ind PB 4 PW W COLOR CODES HEADLIGHT BALLAST WB N/LG (U/LG) WR 3 TACHOMETER TACHOMETER B FUEL GAUGE & SENDER Blue FLASHER RELAY B GN W RADIO (UW) (N) (PK) W White 3 PW LIGHTER R GY GR SWITCH B RW 1 GN W2 C1 PW G U 7 W White R/LG PB *These two switches are combined in one housing W B G A dmp PUBLICATION 2005 (G) Ind FUEL PUMP Brown INDICATOR Slate W LICENSE PLATE LAMPS IGNITION (U) OIL PRESSURE NY W (GR) N (P) GR N P BG PB + PB B Wire colors shown in ( ) are supplied as part of the BUTTON L Pink B HAZARD PB GO ALTERNATOR WARNING SWITCH & LAMP B ON - OFF SWITCH (LG/B) N HEATER FAN LG/G BUTTON Right B G HEADLIGHT SWITCH WN TURN SIGNAL WIPER MOTOR PB W GK P UW RG PG Ind R 2 G GW N (B) B (UW) 4 R P WG *TS SWITCH W GR 5 R (R/LG) P R P (P) 1971 72 Mgb Wiring Diagram 1977 Mgb Wiring Diagram 64 Mgb. YR S (GR) N HIGH BEAM INDICATOR STARTER N N 6 ANTI RUN-ON B D GK GP & LAMP SEAT SWITCHES G FUEL GAUGE & SENDER Right B UR Slate G N DISTRIBUTOR 3 P W G OIL PRESSURE/WATER TEMPERATURE INDICATOR GN INTERLOCK SWITCH B G RG S YP G SWITCH DIMMER N R BG UW B RW & SWITCH B Purple W 3 RG Y G OVERDRIVE REAR WINDOW DEFROSTER L TAIL, REAR MARKER, & GAUGE & DASH & SWITCH RADIO B P IGNITION R B TURN SIGNAL B (GR) W GO B G B B Right B (UW) R WN P Purple WR B W FLASHER LIGHTS CONTROL B G R *TS SWITCH W B YP N B I DISTRIBUTOR OVERDRIVE GW Wire colors shown in ( ) are supplied as part of the PW Black G 2 = one pin of a multi pin connector. G BW 1 BUTTON B Blue G B P R HEATER FAN 4 G SWITCH & LAMP COIL sheet 24 SWITCH B R G W 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. MARKER LIGHTS G U *TS SWITCH Wire colors shown in ( ) are supplied as part of the DIMMER & 1 HORNS HEATER FAN WIPER MOTOR GR SWITCH PW P B = one pin of a multi pin connector. B U RW FRONT PARKING sheet 16 B PW (GW) STABILIZER STARTER (B) WATER TEMPERATURE 8 W Car Electrical Spare 10x Standard Blade Fuses 1 Amp New Fix (Fits: MG MGB GT 1977 1.8) . GAUGE R CIGAR COLOR CODES PG WG RW GK RH TS P W2 W1 P 5 ON - OFF SWITCH RN G GR P G TRUNK/HATCH NY B PW DIMMER 1.8 (1798 cc, bmc b series). B GB LG Light Green Wire colors shown in ( ) are supplied as part of the N 7 R FLASHER G P G LG/G OVERDRIVE K G B Y 6 Pink WB PK GR N N N NOT USED - LEFT OVER FROM N Right N (GR) B G * FLASH-TO-PASS B GW S P HAZARD N WLG WN RW R + REVERSE LIGHTS (R/LG) 3 CONTROL SWITCH R HORN N STARTER GY L B N B PW YR green GP RW GK GW GY GAUGE BATTERIES B (LG/B) WIRE B R B BATTERY fuse replacement 77 MGB I have blown a couple of fuses while doing some rewiring. WLG Explore interactive fuse box and relay diagrams for the MG MGB. PW WG R GW G (LG/N) GAUGE HORN LG/G HEATER FAN WIPER/WASHER G O 1 COLOR CODES R R R P SWITCH BRAKE FAILURE B The majority of these kits are designed to mate with the GM steering column and the GM switches that are almost universally used in street rods, not for the switches we have. BW R & SWITCH R YR B RW 5 OVERDRIVE