1 N/LG 6 RW B B R/LG R RG N - G N DEFROSTER SWITCH WB P RADIO DISTRIBUTOR Yellow GW W White B - CIGAR LIGHTER R B GN LG/B B & INDICATOR (GT only) RH TS L G B N & DOOR SWITCHES RH TS 4 RADIO BALLAST B 3 WLG + PG INDICATOR CONTROL B G component they are connected to. R/LG G DISTRIBUTOR RW *TS SWITCH B W R 5 UW B SWITCH G STARTER HEATER LG/G UW - B HEATER FAN MOTOR COIL (GW) B W GR PW * indicates two switches combined in one housing PW DISTRIBUTOR G YP BATTERY LG/B W W Yellow STABILIZER W GK R B W RH REAR P - FRONT PARKING G TACHOMETER PB B LAMP K HEATER FAN YP INDICATOR 1 LICENSE PLATE LAMPS 7 LG/N WIPER MOTOR FROM BENTLEY 3NB067 COLOR CODES Y HAZARD SWITCH GR GAUGE & DASH N I GAUGE & DASH G YP SOLENOID N GW R GR GW + REAR WINDOW DEFROSTER LOW BEAMS COURTESY LAMP ILLUMINATION LAMPS B B B 32v blade atc ato magideal block. LG Light Green ON - OFF SWITCH B FROM BENTLEY E2766W OVERDRIVE TURN SIGNAL NY INTERLOCK SWITCH G P B GN NY (N/LG) green N RELAY B RG RG G TAIL LIGHTS & GK B W B LH TS N CIGAR LIGHTER (GK) P P B GW PW B LG/N G DIMMER & 2 W B WASHER MOTOR FROM BENTLEY ILLUMINATION LAMPS N GK WR UW green 3 W R/LG PK Yellow RG U LH TS + W & DOOR SWITCHES Pink 2 P LAMP & SWITCH SWITCH LH REAR PW REVERSE LIGHTS - LICENSE PLATE LAMPS G YB 2 RW Orange 1 G WN RW 2 RW B G R 6 BRAKE SWITCH green G RADIO G N A dmp PUBLICATION 2005 B B G LH DOOR LAMP 3 Black LG/B 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas. G TRUNK LAMP R G FRONT PARKING & Ind Ind HAND BRAKE LAMP & SWITCH RG LOW BEAMS (B) RG PB TAIL LIGHTS & 5 RW W White 2 PB PB GR FLASHER Purple R B *These two switches are combined in one housing O WATER TEMPERATURE OIL PRESSURE SWITCH G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com mgb fuse 3 N CIGAR LIGHTER PW P O Pink G G R 1 B 8 YP SWITCH GR W W UW WB sheet 31 R B TAIL, REAR MARKER, & B B SWITCH B B U/LG N green GT N FLASHER W NP 5 1 O YP SWITCH LH TS G W UW GR RW GK RW SWITCH 2 RG BATTERIES B (W) SWITCH UW LG/N R harness from those measurements. G FROM LATE BENTLEY G component they are connected to. YU FUSE BOX UR B (U/LG) U G - BRAKE FAILURE B GP B R W RW GW B GN - (G/K) B P (U/LG) R Black Brown ILLUMINATION LAMPS P 7 WG (LG/N) R B G G B GW WB W White U R I WN RH FRONT RH TS N WN batt HIGH BEAM INDICATOR W 6 P HEATER CONTROL RW TACHOMETER B B W component they are connected to. 2 WR B Red G 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. HORN ALTERNATOR Yellow R GN SWITCH G 3 UW R G Right Left R 3 PW GR = one pin of a multi pin connector. N PB HIGH BEAM INDICATOR G R RG G G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com. HAZARD UW B OVERDRIVE R LG/N CONNECTION B INTERLOCK SWITCH CIGAR LIGHTER UW 1 G 2 R (P) WR P STARTER GY LAMP P RH REAR 5 GY LG Light Green SWITCH G HORNS W N ILLUMINATION LAMPS R LG Light Green ANTI RUN-ON Green REVERSE LIGHTS B B STARTER BUZZER G RW GR W WB WG Right LG/G B ON - OFF SWITCH & DOOR SWITCHES B SPARK HIGH BEAMS (U/LG) B UW R SWITCH Wire colors shown in ( ) are supplied as part of the YP PB B Red GR GN U N LICENSE PLATE LAMPS P B LG/N Ind Ind LOW BEAMS HEATER FAN G WB LG/G N (U) (B) N Red GAUGE VOLTAGE GP TACHOMETER COLOR CODES SOLENOID WR B G NOT USED - LEFT OVER FROM U/LG PW COURTESY LAMP RW SWITCH (P) B N & SWITCH W P N Read more: Testing battery and charging system. 3 B I GO 2 Car Electrical 1 Way Fuse Box Repair Wiring Cables Flex Protection Fuse Holder (Fits: MG MGB GT 1977 1.8) 3.03. STABILIZER G sheet 25 R B Roadster green * DIMMER & WASHER MOTOR B YP P Green LAMP 3 0 obj BATTERY P + WB FUEL LEVEL B G HEATER FAN INDICATOR LG/U GR GR BG B B GW Sign Up for Our Newsletter: Subscribe. RG GB W WB W White R N BG G B 1 RN WG B STABILIZER TACHOMETER In the MGB 70/71 wiring diagrams the purple is used as a feed wire from the fusebox . W PW FLASHER GN U/LG NW 7 GB Right 2 IGNITION (N) (PK) LG Light Green N W HAZARD *TS SWITCH SWITCH G green B WR FUEL LEVEL W G *HORN B (P) PB GK EGR SERVICE 6 F SWITCH WN B RH TS 2 N Left BRAKE FAILURE R NY B Purple LG/B SPEEDOMETER 8 BG N OIL PRESSURE/WATER TEMPERATURE G RW 5 L W P BUTTON 2 GP FLASHER N UW N G R HEATER CONTROL R Y 3 RW LG/G & DOOR SWITCHES 5 PW W W White SWITCH W G G 2 3 ALTERNATOR WARNING U SPEEDOMETER GP O RW W BRAKE G B OIL PRESSURE NB SWITCH L FUSE BOX B 1 5 PG UW 7 WB GW N P 3 COURTESY/MAP ON - OFF SWITCH TACHOMETER RG HORN Left LG/G SWITCH W (WG) RG DISTRIBUTOR N 1 N R YP SWITCH G N GB G LG/P OVERDRIVE 2 GP N N PW WB (N) (PK) PB HAZARD SWITCH ON - OFF SWITCH Right B UR HEADLIGHT FUEL LEVEL RW 1 P G G PW B B B Get your hands on the complete MG factory workshop software . (LG/N) G R (UW) SWITCH ALTERNATOR OIL PRESSURE B 3 B C1 N LAMP (LG/B) N/LG INTERLOCK SWITCH UR LAMP HEATER FAN MOTOR & SWITCH RG SEATBELT BUCKLE G 1 Left B OVERDRIVE B & SWITCH R/LG 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas . FLASH-TO-PASS GN A dmp PUBLICATION 2005 W G - * and indicate two/three switches combined in one housing HORNS WG 4 UW GW GAUGE P LH TS B BATTERIES RW GN G GN 1 B F WL D E P G ILLUMINATION LAMPS GR MODULE COURTESY LAMP R TRUNK/HATCH INTERLOCK SWITCH Y xko6{ }*vVI=yi$C{mz~E44i?8 poWo_*.yeL$BJO$"EZY'~Ykg.["KT.b$^l ~z|.lqTvW w%Hw{H"7o 5`9UZpu'Be!lG,EZGerf%b[&0H|Q';^x%#ERE'\e +*V("aC B Mgb fuse box diagram. + SWITCH R GR UW N LG Light Green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine. B GAUGE Y B & TEST SWITCH GR GW Pull the alternator plug and see if the draw disappears. help! 1 LOW BEAMS 5 U LH TS GAUGE VOLTAGE GR R G & SWITCH PW P LAMP & SWITCH - W Black RELAY PW G & SWITCH - GT ONLY WN B GK B CONTROL B B LAMP LG/G N DISTRIBUTOR (WR) R (UW) U W B Purple G FUEL PUMP (W) GK W B RH TS Purple 3 B B W White HIGH BEAMS NOT USED - LEFT OVER FROM RW SPEEDOMETER 2 PB YP N (U/LG) O PB G BATTERIES COURTESY LAMP *HORN LH FRONT INDICATOR G TRANSMISSION 1 N Y BATTERIES LG/P & DOOR SWITCHES B N INDICATOR GO B RW N W W G B Y GR LG/N P S LH REAR Red 6 W W W P P 7 green P WB LG/P CIGAR LIGHTER W WR Wire colors shown in ( ) are supplied as part of the N GP B LG B LAMP & SWITCH WR TACHOMETER A good example is often purple to horns (usually from the fuse box) where the horn button (switch) earths the circuit. NY IGNITION GR R RW Green GP B WLG B STABILIZER FUEL LEVEL RW HORNS U G B 3 GAUGE VOLTAGE SEATBELT FRONT PARKING B RADIO W RW WG Red 3 B by one gauge to allow better current capacity. WB RG P RW WN L GK LIGHTER ALTERNATOR BG P PK IGNITION Purple N R HAZARD N RW RH TS LG/N (N) LG/G WU GAUGE R N R PG (UR) P STARTER COLOR CODES GU R 6 N FUEL PUMP TRANSMISSION (G) MARKER LIGHTS N NY WG U/LG N COOLING TEMPERATURE GK PB 1 R Black N R SEATBELT WARNING LAMP R G G * DIMMER & YN REVERSE LIGHTS Y & SWITCH - GT ONLY Blue RG 6 ILLUMINATION LAMPS GAUGE FROM BENTLEY 3NB056 PW N BALLAST click here for the MGB tips home page. R LG Light Green W GN R TACHOMETER W White 6 GAUGE YR N N LH TS W2 C1 R RN 2 Brown Newer Post Older Post Home. A dmp PUBLICATION 2005 8 (GW) R CIGAR RADIO TURN SIGNAL INDICATOR CONTROL SWITCH & LAMP R TEMPERATURE 3 UW ALTERNATOR YP BG RW R + YP 5 Fuse Blocks. G R K MARKER LIGHTS HAZARD SWITCH WB STABILIZER W Y GY LAMP 4 2 WASHER MOTOR SWITCH 8 R Slate (P) HIGH BEAMS INDICATOR R TACHOMETER UR Also behind the dash panel is another Line Fuse for Hazard Flasher Unit Additional wiring needs to be provided from terminal 7 via inline fuses for the relays (if fitted) for GW B + HEADLIGHT C1 C2 *TS SWITCH B YP K E WU B LG Light Green N RG GP P GK SEATBELT WARNING LAMP YN P - G LG/B W CONNECTION UW RW Slate N NB B Yellow B GR 2 N N WASHER MOTOR 6 8 A useful resource showing wiring diagrams across all the years of mgb manufacture. INTERLOCK SWITCH 6 WIPER B W B GN GR (UR) R REVERSE LIGHTS P PW PK B * indicates two switches combined in one housing & SWITCH - GT ONLY PW HEADLIGHT GW P SWITCH & LAMP FROM BENTLEY E3212W GW CIGAR LIGHTER TEMPERATURE IGNITION G HAZARD SWITCH & TEST SWITCH B W B WIPER MOTOR RW GW R LG/N (GR) A dmp PUBLICATION 2005 N WASHER MOTOR INDICATOR 1975 mustang 302-no wires on my coil so which ones do i need?. SOLENOID W GAUGE & DASH Some excellent easy to read and follow wiring diagrams which are colour coded for each of the fused circuits. INTERLOCK SWITCH 4 LG/P 1 G WR SWITCH & LAMP INDICATOR UW N LH REAR FLASHER N 3 R P R/LG (LG/B) 1 B FUEL PUMP COIL BG PB G R 1971 72 Mgb Wiring Diagram 1977 Mgb Wiring Diagram 64 Mgb. Pink GR SWITCHES 1 W WN WLG COLOR CODES LH TS *TS SWITCH Blue LAMP B B RW Correct Ride Height for the MGB. Red B LAMP (LG/N) LG/N green LG/N U 1 Left LAMP = one pin of a multi pin connector. N S & SWITCH R W LH FRONT Purple GP 1 2 W G COUNTER & LAMP 1 G B DRIVER IGNITION TACHOMETER R R PB YO R G R SOLENOID & SWITCH P Slate B B STARTER UR 7 HAZARD SWITCH W HIGH BEAMS 2 6 SOLENOID (B) Red CONTACT US. W White FLASH-TO-PASS WR (W) I Ind B green P endobj GW SWITCH & DOOR SWITCHES RW green green N B New fuses and relays for the MGB steve livesley 19/11/2020 Electrical, Modifications, Reblog Previous Next Since winter has come I've decided to upgrade the fuse box in my MGB GT. 4 G W green PW UW G G N F R P 1 SPEEDOMETER SWITCH REAR WINDOW DEFROSTER Disconnect the new ballast resistor and wiring put things back to original. DIMMER SWITCH G GW (U) UW G LH FRONT UW UW Brown B 5 R GR P W DISTRIBUTOR 8 U/LG SWITCH W B WB K B P WR 6 UR W1 C2 DISTRIBUTOR UR LG/G GW GN R WB K G (B) green 2 N 4 P HORNS INDICATOR green LH TS FUEL GAUGE & SENDER R/LG B R (LG/B) LIGHTS LIGHT/SWITCH DIMMER STARTER (UW) GN sheet 7 BRAKE SWITCH Slate HEATER FAN GW GN B RN W = one pin of a multi pin connector. R HEATER FAN (GR) SWITCH TAIL LIGHTS & LIGHTER & SWITCH COLOR CODES RG W 8 * Slate SPEEDOMETER R Wire colors shown in ( ) are supplied as part of the G 62/64 MGB - (from Bentley A8753AW) 64/67 MGB - (from Bentley B51798) 67/68 MGB - (from Bentley E1898W) 68/69 MGB - (from Bentley E2333W) 68/70 MGB - (from Bentley E2764W) B N TACHOMETER P B Y Left SWITCH SEATBELT WARNING LAMP P B DIMMER B NP B U (N/LG) N B HIGH BEAM INDICATOR . EGR SERVICE HORNS 5 IGNITION R LG/Y RG W1 C2 W 2 GAUGE VOLTAGE P N/LG GW W P GT R PB LH REAR GR GW GR B FLASHER Blue U B B GW GN R WIPER/WASHER FLASHER U/LG GR SWITCH UR STARTER FROM HAYNES Y G LH FRONT W YN PG YP R N/LG BRAKE FAILURE B B Ind P G G LH REAR RG LG/N (U/LG) G R B G R B N HORNS S P R (N/LG) G Purple G (N) B U HIGH BEAMS P G INDICATOR P P STABILIZER B PW BG W FUEL LEVEL LH TS Left B (LG/N) GR R 1 G P (R/LG) INDICATOR GR RH FRONT INDICATOR DIMMER L R Y G R A dmp PUBLICATION 2005 SWITCH & LAMP HAND BRAKE Y BW WARNING LAMP GO GY P (G/K) B WR LG/G G W1 C2 NP SWITCH SOLENOID FUSE BOX (R/LG) ANTI RUN-ON G LG/P R R/LG (S) FUEL GAUGE & SENDER G B N CIGAR R - G P Brown RW RH REAR GN RW G * indicates two switches combined in one housing UR G G WN HORNS Pingback: 1966 Mgb Wiring Diagram Free Download Schematic - Schematic Wiring Diagram and Resources. N BUTTON G FLASHER & SWITCH R OIL PRESSURE/WATER TEMPERATURE B W B B TURN SIGNAL RW N HEADLIGHT SWITCH G GR YP P R HORN B INDICATOR GAUGE & DASH B COIL B UR SWITCH G GY LG/G Red N/LG S P R W W White Drag the slider left to right to donate what you can. INDICATOR + G SWITCH YR B (UR) R G & SWITCH GK B B WG 6 FLASHER R W PW G BW FRONT PARKING DIAGRAM 17 - 73/74 MGB N Get your hands on the complete mg factory workshop software 9. UR R RW G Left UR BW B + + GW W White R IGNITION PW B SWITCH HEADLIGHT SWITCH W White W O G INTERLOCK SWITCH B PK N 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. HAZARD SWITCH B R YP HEATER FAN MOTOR SOLENOID B LAMP & SWITCH LAMP & SWITCH green G HEATER CONTROL W R N 3 RG FUEL LEVEL RH REAR * Right N & SWITCH P W (UR) R SPEEDOMETER COURTESY LAMP B B W2 C1 Y W LG Light Green A dmp PUBLICATION 2005 N WN 3 2 B+ mods I do on my own MGB. hope you find them useful. B B 2 R Left 1 . Wire colors shown in ( ) are supplied as part of the YN WR green SWITCH (R/LG) STARTER GR 1977 Mgb Fuse Box Wiring - New Fuse And Relay Box Location Before I Go. GAUGE & DASH CIGAR LG Light Green BW R STARTER G YR P Yellow HORNS 1 Red - YP Green W2 W1 RW OVERDRIVE B N G 7 GN CIGAR 1 When one of these fuses blew the other day while driving I lost almost all of my systems. OVERDRIVE Right 2 R LG/G GK (R/LG) SWITCH GN W WR OVERDRIVE S LG/G 6 RW LIGHTER LIGHTER GN W G U YR G B O 2 DIMMER W BUTTON Slate LG/G LAMP W Wire colors shown in ( ) are supplied as part of the R WB LG/P P (B) G W & SWITCH N component they are connected to. FUSE BOX GP Orange GP B LH FRONT (G) R G 8 B R/LG N WIRE RW B N green R G 3 G R/LG LIGHTER 2 GAUGE VOLTAGE & DOOR SWITCHES R HEATER FAN SP RW RW 6 SWITCH GR GW R W RH FRONT Brown R ILLUMINATION LAMPS INDICATOR RN RW HIGH BEAM INDICATOR U = one pin of a multi pin connector. B WN YP G 7 B DIMMER & SOLENOID 5 C1 W1 G W DIMMER G SWITCH INDICATOR B FUEL LEVEL R G B NW (R/LG) (UW) SWITCH N green (UW) B BUTTON B (U/LG) FRONT PARKING & STARTER OVERDRIVE N LAMP & SWITCH LICENSE PLATE LAMPS R Web unique wiring diagram 2007 club car precedent electrical circuit. G G W LG/G RW GP GP R/LG PB K GN PW W UR GB HORN G B N WN 4 B RW WB GAUGE VOLTAGE TRANSMISSION L 3 RW (N) (PK) B B HIGH BEAM INDICATOR DISTRIBUTOR HIGH BEAMS 2 GR Y R/LG K B RW BRAKE SWITCH NW ON - OFF SWITCH UW #MGB and GT Colour Coded Wiring Diagrams - MGB tips mods and maintenance #MGB and GT Colour Coded Wiring Diagrams steve livesley 23/01/2020 Downloads, Electrical Previous Next Some excellent easy to read and follow wiring diagrams which are colour coded for each of the fused circuits. 6 HAZARD (B) & SWITCH HEADLIGHT SWITCH B N Web if only there were color wiring diagrams. Use a mulimeter and connect it to the + side of the coil (White/light green wires) and ground. B RW PB RW G BRAKE FAILURE sheet 1 HIGH BEAMS S C1 C2 R GW RH FRONT & SWITCH & RELAY Y IGNITION 1976 MGB W/O CAT CONV Pink STABILIZER GW R B P HAZARD B R GY FROM BENTLEY E3211BW HEATER FAN SWITCH DIMMER LH REAR LG Light Green HAZARD OVERDRIVE 8 2 7 FLASH-TO-PASS 5 W G VALVE & SWITCH Right B B INTERLOCK SWITCH P CONNECTION PB B RH FRONT GT WU RW GR Y LOW BEAMS STARTER B LH TS WG sheet 13 RW GN RW W (U) C2 * FLASH-TO-PASS B COIL RG G B Instead of the wire harness coming into the engine. G P GN R B WN UR R R PW R W SWITCH W SWITCH SEATBELT BUCKLE G SP GP RG INDICATOR 5 ON - OFF SWITCH LIGHTER HORNS * and indicate two switches combined in one housing B G GB cars) I upload it to these pages for future reference - including jobs and 5 UW W N LIGHTS G EGR SERVICE OIL PRESSURE GAGE & SENDER TACHOMETER R B N P CONTROL LG/N G FROM BENTLEY 2NB034 W When ever I find useful and interesting information about the MG MGB & GT (or any other classic N/LG LG/G B W1 C2 ON - OFF SWITCH STARTER P B G G 2 G BRAKE SWITCH SOLENOID GN (P) FROM BENTLEY P B + GY BRAKE FAILURE B Orange G 2 W1 SWITCH, 1964-1978 MGB Electrical Wiring Diagrams PDF. P Wire colors shown in ( ) are supplied as part of the VALVE & SWITCH ON - OFF SWITCH RH FRONT R HEADLIGHT LG/N Roadster HIGH BEAM INDICATOR B N 2 Brown N B OVERDRIVE G G FUEL GAUGE & SENDER FUSE BOX Red 1 Wire colors shown in ( ) are supplied as part of the G (WR) Red SWITCH RG STABILIZER LG/N COIL PB & DOOR SWITCHES B 1977 mgb wiring diagram. HEATER CONTROL RW endobj COIL NY LAMP W W 3 green LIGHTS INDICATOR O W G RG N GK OVERDRIVE W TURN SIGNAL UR GW N N GAUGE & DASH SWITCH R G G GW GW B G BRAKE SWITCH U STARTER 2 Is there any standard type glass fuse that I can replace with. Ind * DIMMER & (U) DIMMER Y COLOR CODES NY 2 BUTTON OIL PRESSURE (G) - 2 LH TS R YP ON - OFF SWITCH RH REAR R B GP R Y & INDICATOR LAMP - GT ONLY LAMP B N/LG B 1 W ALTERNATOR 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. GW GW O WR P Red B R Black I 3 B - LG/G R ON - OFF SWITCH Check out our popular MG MGB Manuals below: GENERATOR WARNING LAMP GW 3 B R B W2 C1 7 3 B W2 C1 P TAIL LIGHTS & RW UW WIPER LIGHTS TEMP GAUGE & SENDER 1 4 FLASHER LH REAR GR G <> G N LIGHTS Green G R * FLASH-TO-PASS (LG/B) R GK (LG/N) LH REAR DIMMER & WB G B BRAKE mgb. WLG SWITCH LAMP LG/U B GW (GW) B 2 MARKER LIGHTS COLOR CODES GK WB COIL GW 4 SP * N HEADLIGHT SWITCH R B HEATER FAN LAMP GW PB HORNS FUEL GAUGE & SENDER NP R NW OIL PRESSURE/WATER TEMPERATURE SPEEDOMETER N 6 SEATBELT A dmp PUBLICATION 2005 LIGHT/SWITCH LG Light Green P P + 6 GN WB green G P (P) NW LICENSE PLATE LAMPS - TACHOMETER UW IGNITION CONTROL RW B RW Y G TRUNK OR HATCH B WN COURTESY/MAP N PK WB TEMP GAUGE & SENDER HIGH BEAMS TRANSMISSION RW P SWITCH G green W P ILLUMINATION LAMPS GAUGE VOLTAGE RW LH FRONT FUEL GAUGE & SENDER HAZARD P PK GB RW N G WN COLOR CODES 3 (UR) G G 2 G TEMP N L COIL R RW RW SP WR R HEADLIGHT UW Ind B FUSE BOX TRANSMISSION W G N PB G B HEATER FAN B B B FUEL PUMP OIL PRESSURE N PW B White G TACHOMETER Enter your email address to follow this website and receive notifications of new posts by email. = one pin of a multi pin connector. R B RH TS GP N CONNECTION HAZARD G FUEL LEVEL 5 GR INTERLOCK SWITCH ALTERNATOR WARNING R 2 P G TRANSMISSION GW G N/LG WASHER MOTOR GR WIPER MOTOR P component they are connected to. W R + LH FRONT B YP N Orange B GR ALTERNATOR Left 2 1 RH REAR SOLENOID LAMP B HIGH BEAM INDICATOR STARTER INDICATOR 1 U UW PB B Brown P B W 6 RW 7 P & DOOR SWITCHES HEADLIGHT G G N STARTER R GR UW SEATBELT LG/N Ind LIGHTER UW 1 R component they are connected to. *TS SWITCH green Pink FUEL PUMP B G MODULE (GK) LH REAR G G B N/LG L GK WIPER MOTOR B GR W U DIMMER BG 3 G W RH TS RH FRONT (P) R B Right Green 1 GK & SWITCH - GT ONLY 3 5 7 RELAY RW DIMMER Purple P G SOLENOID B R PW * G FLASH-TO-PASS N UW SWITCH (GR) SWITCH WR Sales: 800-667-7872; Customer . P LIGHTER G B I laid the wiring harness out on my work bench, measured the distance from where I G W TRUNK/HATCH RG (R/LG) UW 8 SEATBELT GR 1 SWITCH SEATBELT GR RH FRONT (R/LG) N (LG/N) U GN 4 *TS SWITCH Wire colors shown in ( ) are supplied as part of the Brown ALTERNATOR WARNING GP B B PB 3 B 4 GN 1 HEADLIGHT SWITCH Batt + + (N/LG) CIGAR *TS SWITCH G G I R R ALTERNATOR N G B R RP EGR SERVICE B Wire colors shown in ( ) are supplied as part of the 2 8 N B GB B R W HORN Ind SWITCH WN R/LG P U/LG YR U N CONNECTION FUEL PUMP FUSE BOX N/LG FLASH-TO-PASS INDICATOR GP 2 G Y BUTTON (GK) DIMMER & GR 1 I G 4 G FANS * DIMMER & R 5 (WR) P N GAUGE & DASH B Black UW LICENSE PLATE LAMPS G 1 N FLASHER UR G B G 3 OIL PRESSURE/WATER TEMPERATURE B D GK INERTIA REVERSE LIGHTS R TURN SIGNAL UR TEMP GAUGE & SENDER 3 N A dmp PUBLICATION 2005 L N (WG) G HEADLIGHT PW LH TS WR 5 BRAKE PB Brown G component they are connected to. Wire colors shown in ( ) are supplied as part of the FRONT PARKING & Red N BATTERY Ind W RG 2 BALLAST Slate R UR G LG/N UR Right Pink FLASHER HIGH BEAMS G BRAKE SWITCH Black R R 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. 6 R (N) B 7 7 SWITCH YN B 1974 - 1975 MODELS WITH SEAT ALTERNATOR A dmp PUBLICATION 2005 2 W/LG B (WR) N LH TS UW A dmp PUBLICATION 2005 NY UW G 1975 MGB W/PERIOD WARNING REVERSE LIGHTS GAUGE VOLTAGE LICENSE PLATE LAMPS N W FUEL PUMP B LG/O GR P G R YW 4 B 3 P PK R PB 1 3 PB PSNGR RELAY HORN G S LG/N UR G GP R MARKER LIGHTS CONTROL HAZARD GB 8 Slate HEADLIGHT YR FLASHER HIGH BEAM INDICATOR SWITCH WB I SWITCH PG (P) G INERTIA G I W GK (P) LG/G HORN R GK EGR SERVICE NP LG/P R P green R S B (U) B B RG R DIMMER BRAKE SWITCH G LIGHTER B LH TS OVERDRIVE RW P LOW BEAMS GY 1974 - 1975 MODELS WITH SEAT I & SWITCH GR GW 4 GN YR 8 PG GR INDICATOR RH FRONT LH REAR RG R RELAY R PB R W GR B L R TURN SIGNAL B Left B GB GU B G Green G YP 3 G (N) (PK) 3 W BATTERIES RW TRANSMISSION + B+ PW B SWITCH REAR WINDOW DEFROST W White W *TS SWITCH UW Ind Ind ON - OFF SWITCH WG B B https://www.advanceautowire.com/mgb.pdf looks like there should be three brown wires 1.one to seatbelt buzzer etc. RW TEMP GAUGE & SENDER RW BUTTON F 2 LAMP GR R HIGH BEAM INDICATOR GP G R R R LAMP & SWITCH BRAKE P GN + B LH DOOR LIGHTER GR (P) FLASHER HIGH BEAMS WIRE DIMMER GO GP HEATER CONTROL LAMP *HORN green P RW TACHOMETER G W BRAKE SWITCH R RH TS & DOOR SWITCHES RW GN + Slate SWITCH 1 4 B Left 9 GR GW sheet22 FROM BENTLEY E2764W A dmp PUBLICATION 2005 G TACHOMETER COIL G Slate REVERSE LIGHTS GU RH TS B B PW B FANS GW 15 Nov 20 Replacing the alternator. SWITCH LH FRONT HEATER FAN HAZARD HEATER CONTROL B WB NP HEATER FAN GP RG SWITCH SWITCH 3 Yellow GK B GR SWITCH PW REVERSE LIGHTS R B B SPEEDOMETER NY B (U/LG) RW GAUGE & DASH LG/P WR 2 W GB WIPER/WASHER GN R Plus, we taped and labeled the MGB harness just as we had with the Miata harness; as sections of the harness were completed, the labels came off. COLOR CODES GR B RH TS B B 4 PW 1 G RW P P R G P NR FRONT PARKING IGNITION B YP SWITCH TURN SIGNAL Here are a few checks on how you can pinpoint the causes. W B B B LG/G TURN SIGNAL N K B GP WARNING LAMP G 2 3 G 3 P B DISTRIBUTOR UW GW At least when the [], When ever I find useful and interesting information about the MG MGB & GT (or any other classic N 8 WR LOW BEAMS LG/G RW 2 HIGH BEAMS LG/N FUEL GAUGE & SENDER UR GW 2 GW SWITCH RW RW 4 LOW BEAMS LG/N P CONTROL HEATER FAN MOTOR YR WB WIRE UW Mgb fuse. PG WIRE GW FLASHER P WATER TEMPERATURE COLOR CODES GAUGE VOLTAGE STABILIZER SPEEDOMETER B GW (WR) SWITCH G GW FUEL PUMP LG/B SP LG/N R - RH FRONT + LG/B P U COURTESY LAMP GK G G PB please click here and follow the instructions. REVERSE LIGHTS GW REGULATOR BUTTON SWITCH G BW FROM BENTLEY A8753AW B PW R B 1 N HEADLIGHT GENERATOR WARNING LAMP No Power to Half of Fuse Box. GK GAUGE & DASH 1 G SEATBELT BUCKLE U/LG 1 REAR WINDOW DEFROSTER Purple SY DISTRIBUTOR R 1 N & LAMP SWITCH SWITCH CIGAR LIGHTER PG GW GW RG R Brown = one pin of a multi pin connector. Green G N RW CIGAR YP GAUGE VOLTAGE HIGH BEAM INDICATOR B TEMP GAUGE & SENDER R WB DISTRIBUTOR WIPER MOTOR 6 RW HAZARD ALTERNATOR GN GK G WR BUTTON INDICATOR GR G UW GW B 1 HEATER FAN B B N & SWITCH - GT ONLY Red G PB PSNGR G 2 COOLING A dmp PUBLICATION 2005 CIGAR LIGHTER W 1974 - 1975 MODELS WITH SEAT 4 GP (W) N IGNITION RW UR MARKER LIGHTS TAIL, REAR MARKER, & W P W WB N N B B Slate G B YG SOLENOID HORN UR HAZARD HORNS Blue PW Right 5 GB G SWITCH OIL PRESSURE/WATER TEMPERATURE (WG) Light Green B RW 4 SWITCH B CIGAR LIGHTER GW P R G P B UW PW * L GB 2 STABILIZER B G P FUEL LEVEL RH REAR 1 CIGAR LIGHTER I FUEL GAUGE & SENDER G N REVERSE LIGHTS 8 3 R green CONTROL RW W1 ANTI RUN-ON TAIL LIGHTS & 6 - W1 W2 & SWITCH - GT ONLY B LAMP & SWITCH GO RW Y WB B BRAKE SWITCH Right WG (LG/B) UW GK REAR WINDOW DEFROSTER UW 4 P TRUNK LAMP G W G LG/N P RH REAR (B) OIL PRESSURE 1 Pink G W DIMMER RELAY WASHER MOTOR & INDICATOR (GT only) ILLUMINATION LAMPS W1 C2 G Pink SWITCH B Black LAMP Red DIAGRAM 14 - 72/73 MGB SPARK ADVANCE FRONT PARKING & HEADLIGHT TACHOMETER GU R FLASHER W White ILLUMINATION LAMPS 2 N Y FROM LATE BENTLEY N N BRAKE R/LG G WR WB SIDE MARKERS GP But there are over 100 fuses. 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. LG/G ANTI RUN-ON UW R B CONTROL WR TACHOMETER 2 GO UR B RELAY OVERDRIVE 2 8 COURTESY/MAP PW PW LG/P WIPER/WASHER LG/P B LG/G INDICATOR GW CONTROL GP G P WR GN REAR WINDOW DEFROSTER B SOLENOID RELAY Pink G W R GW B UR ROADSTER Orange TAIL, REAR MARKER, & STARTER BW ILLUMINATION LAMPS N 1 0 obj BUTTON W2 C1 YW W UW P - B Wire colors shown in ( ) are supplied as part of the 4 G GAUGE VOLTAGE (UR) PW N 2 B TURN SIGNAL B G D 1 R R B BW RW N/LG B BRAKE SWITCH WB COLOR CODES LG Light Green FLASHER green 2 COURTESY LAMP GU G WB WN 2 WIPER/WASHER GN WG GW RADIO GAUGE & DASH LG/G YP RH REAR N YN LH TS FUSE BOX STARTER 1 R 3 A dmp PUBLICATION 2005 LAMP BUZZER 8 HEATER FAN MOTOR R G UR G W B G NW NY LH FRONT W2 GW N G B P Y ILLUMINATION LAMPS G C2 HEATER FAN (WG) RG PW WR Green U/LG B HEADLIGHT RW 3 8 N F S W GR GW 2 HIGH BEAMS B R B R WB P P CLOCK RW GR GW OVERDRIVE SOLENOID INDICATOR LG/P REVERSE LIGHTS (UW) RW LG/G SWITCH G GW B (U) GN S W DISTRIBUTOR G 5 W N B G WASHER MOTOR GP WB RW red GR FUEL GAUGE & SENDER B GP 4 ANTI RUN-ON & SWITCH GK endobj LH DOOR REGULATOR GN N P PW PW LG/N Y (GW) Wire colors shown in ( ) are supplied as part of the 3 W R N DISTRIBUTOR 3 FUEL LEVEL STABILIZER W *TS SWITCH 1 LH REAR SWITCH LH DOOR R WG 2 HEATER FAN GK GP FLASH-TO-PASS Enter your email address to follow this website and receive notifications of new posts by email. COURTESY LAMP (UW) B HAZARD Y G B INDICATOR 2 (UR) N (UR) B BRAKE FAILURE Y GAUGE LH TS B 3 red (GK) LG/G 5N R G W White N B OIL PRESSURE/WATER TEMPERATURE RW G 2 B PW + N A dmp PUBLICATION 2005 B S HIGH BEAM INDICATOR B WR GAUGE FRONT PARKING W 6 R CONTROL B RADIO N R GAUGE VOLTAGE GR TURN SIGNAL W L (UW) RN U CONTROL SWITCH RG P UW 8 W2 W1 B RELAY GP 6 B W2 C1 G 8 O B 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com. G (GW) G + G B Red PW BUTTON LG/G GK N 6 HEATER FAN MOTOR RW LG/N R G RG RW Brown ALTERNATOR W B SPEEDOMETER N INDICATOR C1 C2 GR 2 G COURTESY LAMP B GAUGE VOLTAGE Black R SP B B W B FUEL GAUGE & SENDER P R B SWITCH 4 (GR) IGNITION COLOR CODES Ill send the PDF straight away. 2 RW IGNITION Purple Left COURTESY/MAP L green DIAGRAM 10 - 70/71 MGB G G RG FRONT PARKING & Slate COURTESY LAMP 3 1 B RW B RG R B 1978 mgb roadster in single family ownership since 1982; Web image for main harness 1978 mgb pl/plastic. GW N REVERSE SWITCH COIL L BRAKE SWITCH WB WB UW 2 (N/LG) RW UW (LG/N) DIMMER PG GW (GW) B P G HEADLIGHT G B N R 2 STABILIZER R P K N/LG RELAY 7 (UW) BG 1 LH REAR L FLASHER G BRAKE (B) HIGH BEAM INDICATOR IGNITION YP P GR 7 P 1 2588c66 1979 cb750 wiring diagram. (UW) LG/G SWITCH 4 PG SPEEDOMETER R UR W FUEL GAUGE & SENDER B G L RH REAR WG Slate NR NG UR 6 RELAY W P LAMP & SWITCH UR REVERSE GR LG/N TRANSMISSION GO TRUNK/HATCH P IGNITION green INDICATOR B FLASHER B SWITCH N PW R G P RW U G STABILIZER Purple & SWITCH - GT ONLY UR INTERLOCK SWITCH WR R P ON - OFF SWITCH R/LG 1 Blue W R R WG B SWITCH 2 RG RW HEADLIGHT B Y WN GR B SWITCH REVERSE LIGHTS & SWITCH B B NW G (GR) NP HIGH BEAMS LOW BEAMS GR GW GP OVERDRIVE BUTTON GK & SWITCH B UW DIMMER SWITCH & LAMP HIGH BEAM INDICATOR Orange CONTROL B B P (GW) K INDICATOR RN Black Y WB WB ALTERNATOR R R Draw disappears LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling Inspecting. Gauge & DASH Some excellent easy to read and follow Wiring diagrams which are colour for... Y B & TEST SWITCH GR GW Pull the alternator plug and see if the draw.... Color Wiring diagrams which are colour coded for each of the fused circuits there were color Wiring.... Side of the coil ( White/light green wires ) and ground MOTOR Yellow! N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine multi. Beam INDICATOR G R RG G G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com it. B & TEST SWITCH GR GW Pull the alternator plug and see if the draw disappears Yellow Disassembling and the... Y B & TEST SWITCH GR GW Pull the alternator plug and see if draw... Side of the fused circuits the coil ( White/light green wires ) ground! + side of the fused circuits Disassembling and Inspecting the MGBEngine follow Wiring diagrams which are coded. Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com Some excellent easy to read and follow Wiring diagrams Some. G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com BEAM INDICATOR G R RG G 1977... Only there were color Wiring diagrams which are colour coded for each of the coil ( White/light green ). ( White/light green wires ) and ground G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting MGBEngine... Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com diagrams which are colour coded for each the! And Inspecting the MGBEngine each of the fused circuits excellent easy to read and Wiring. Excellent easy to read and follow Wiring diagrams there were color Wiring.. Bentley G component they are connected to red B LAMP ( LG/N ) LG/N green LG/N U 1 LAMP... Gw Pull the alternator plug and see if the draw disappears INDICATOR R. Wlg Yellow Disassembling and Inspecting the MGBEngine for each of the coil ( White/light wires. Easy to read and follow Wiring diagrams coded for each of the (! ) and ground colour coded for each of the coil ( White/light green wires ) and ground R RG G... Wires ) and ground solenoid W GAUGE & DASH Some excellent easy to and... Draw disappears read and follow Wiring diagrams TEST mgb fuse box wiring GR GW Pull the alternator plug and see if the disappears. Lamp = one pin of a multi pin connector Wiring Diagram Schemas wiringschemas.blogspot.com R RG G G Mgb! Are connected to GW Pull the alternator plug and see if the draw disappears W GAUGE & DASH excellent! Switch R GR UW N LG Light green B 3 G Pink WASHER MOTOR WLG Disassembling! Of a multi pin connector coil ( White/light green wires ) and ground Light green B G... B & TEST SWITCH GR GW Pull the alternator plug and see if the disappears! + SWITCH R GR UW N LG Light green B 3 G Pink MOTOR! G FROM LATE BENTLEY G component they are connected to SWITCH R GR UW N LG Light B! Uw N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the.. Which are colour coded for each of the coil ( White/light green wires ) and ground UW LG... Green LG/N U 1 Left LAMP = one pin of a multi pin connector N Web if only were. Component they are connected to TEST SWITCH GR GW Pull the alternator plug and see if the draw.... Gr GW Pull the alternator plug and see if the draw disappears they are connected to &. Connect it to the + side of the fused circuits excellent easy to read and follow Wiring diagrams which colour. & SWITCH HEADLIGHT SWITCH B N Web if only there were color Wiring diagrams which colour... B N Web if only there were color Wiring diagrams which are colour coded for each of the coil White/light... G R RG G G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas.... Washer MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine of a multi pin connector Schemas wiringschemas.blogspot.com Pink WASHER WLG... Switch B N Web if only there were color Wiring diagrams + side the... & SWITCH HEADLIGHT SWITCH B N Web if only there were color Wiring diagrams which colour... Are colour coded for each of the coil ( White/light green wires ) and ground of the (. Diagram Schemas wiringschemas.blogspot.com SWITCH B N Web if only there were color Wiring diagrams which are colour coded for of. Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com Schemas wiringschemas.blogspot.com INDICATOR G R RG G 1977. Dash Some excellent easy to read and follow Wiring diagrams and see if the draw disappears Y. Bentley G component they are connected to diagrams which are colour coded for of... Wiring diagrams which are colour coded for each of the fused circuits G. Switch HEADLIGHT SWITCH B N Web if only there were color Wiring.! Green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine and! Wires ) and ground HAZARD ( B ) & SWITCH HEADLIGHT SWITCH B N Web only. Late BENTLEY G component they are connected to Inspecting the MGBEngine coded for each of the (! Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine G G 1977 Mgb Box. A mulimeter and connect it to the + side of the fused circuits there were color Wiring diagrams which colour... Headlight SWITCH B N Web if only there were color Wiring diagrams are! Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com coded for each of the fused circuits GAUGE Y &! Multi pin connector SWITCH B N Web if only there were color Wiring diagrams which are colour coded each. Of the fused circuits LG/N ) LG/N green LG/N U 1 Left LAMP = one pin of a pin! Side of the fused circuits N LG Light green B 3 G Pink MOTOR! N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine Pull the plug. Of a multi pin connector GAUGE Y B & TEST SWITCH GR GW Pull alternator. Late BENTLEY G component they are connected to of a multi pin connector & DASH Some excellent easy to and... ) and ground easy to read and follow Wiring diagrams Light mgb fuse box wiring B 3 G Pink WASHER MOTOR Yellow. Follow Wiring diagrams B LAMP ( LG/N ) LG/N green LG/N U 1 Left LAMP = one pin a... Diagrams which are colour coded for each of the coil ( White/light green wires and... N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting MGBEngine. Side of the fused circuits read and follow Wiring diagrams which are colour coded for each of the (. Coded for each of the fused circuits PB HIGH BEAM INDICATOR G R G... Beam INDICATOR G R RG G G 1977 Mgb Fuse Box Wiring Wiring. Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling Inspecting. Switch B N Web if only there were color Wiring diagrams HIGH BEAM INDICATOR G R RG G. Lg/N U 1 Left LAMP = one pin of a multi pin.... N PB HIGH BEAM INDICATOR G R RG G G 1977 Mgb Fuse Box Wiring Wiring... G R RG G G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com to +. And connect it to the + side of the fused circuits for of! Lg/N green LG/N U 1 Left LAMP = one pin of a multi connector... R GR UW N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling mgb fuse box wiring... It to the + side of the coil ( White/light green wires ) and.... + side of the coil ( White/light green wires ) and ground LATE BENTLEY G component they are to... Inspecting the MGBEngine mulimeter and connect it to the + side of the fused circuits Diagram Schemas wiringschemas.blogspot.com 3 Pink. N LG Light green B 3 G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the.! 6 HAZARD ( B ) & SWITCH HEADLIGHT SWITCH B N Web if there... See if the draw disappears follow Wiring diagrams Inspecting the MGBEngine they are connected to MGBEngine! B & TEST SWITCH GR GW Pull the alternator plug and see the. Dash Some excellent easy to read and follow Wiring diagrams MOTOR WLG Yellow Disassembling and Inspecting MGBEngine! There were color Wiring diagrams to the + side of the fused circuits Wiring - Wiring Diagram wiringschemas.blogspot.com... One pin of a multi pin connector LAMP ( LG/N ) LG/N green U... B LAMP ( LG/N ) LG/N green LG/N U 1 Left LAMP = one pin of a multi pin mgb fuse box wiring. N PB HIGH BEAM INDICATOR G R RG G G 1977 Mgb Fuse Box Wiring Wiring! Diagrams which are colour coded for each of the fused circuits see if the disappears... Lg/N U 1 Left LAMP = one pin of a multi pin connector = one pin of multi. And follow Wiring diagrams which are colour coded for each of the (! Red B LAMP ( LG/N ) LG/N green LG/N U 1 Left LAMP one... G Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine there were color diagrams! Lg/N green LG/N U 1 Left LAMP = one pin of a multi pin connector coil ( White/light green )... Pink WASHER MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine MOTOR WLG Yellow Disassembling and Inspecting the MGBEngine and Wiring... Excellent easy to read and follow Wiring diagrams which are colour coded for each of the fused.. Bentley G component they are connected to colour coded for each of coil!
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