PB RH TS GW 5 8 B N green BRAKE SWITCH ALTERNATOR WARNING 1 S PB SWITCH W SWITCH W SWITCH REVERSE LIGHTS GR GW G GK N R 3 8 N FLASH-TO-PASS PW + R Black RW B GW B Y LH DOOR TURN SIGNAL LG/P W MODULE G B G SEATBELT R RH TS B P LAMP & SWITCH DIMMER * COUNTER & LAMP TACHOMETER (LG/N) ALTERNATOR WARNING W IGNITION R SOLENOID N W OIL PRESSURE/WATER TEMPERATURE 1 N W2 W1 R F GR RW 3 I Green WB HIGH BEAMS Y B LOW BEAMS G UR GN GK R 2 (UR) G LOW BEAMS P & TEST SWITCH RW 5 R (GW) P B WB GU BG + N Slate LG/G BRAKE FAILURE & INDICATOR (GT only) W REAR WINDOW DEFROSTER B Right GN N P 4 B R P G PW R HAZARD OVERDRIVE GW B Orange B fuse diagram box uplander montana pontiac chevrolet buick terraza 2005 panel instrument 2008 sv6 2006 2007 wiring diagrams fuses info [HZ_6734] 1974 Hazard Switch Pins What Wire Goes Where Mgb Gt Forum Mg STARTER N N Pink N B Testing battery and charging system. B DISTRIBUTOR LAMP GR SWITCH sheet 16 2 GP 5 FUEL GAUGE & SENDER B ON - OFF SWITCH G B WG LG/N FUEL GAUGE & SENDER YU GN RG BUZZER PW GW LG/N GR HIGH BEAM INDICATOR YR LG/G B GR OVERDRIVE component they are connected to. STABILIZER Orange LG/G YP W Purple FROM BENTLEY E3211BW G The original car had a More. LAMP * DIMMER & COIL G 8 RH FRONT REGULATOR LG/N FUEL PUMP I laid the wiring harness out on my work bench, measured the distance from where I CIGAR R 4 N W RW (G/K) WN W W ILLUMINATION LAMPS Note that we kept the wiring very neat and gave the bends and routing a factory look. U FRONT PARKING G FUEL LEVEL LH TS SWITCH N RW REAR WINDOW DEFROSTER Black GB LH TS 8 RADIO HEATER FAN MOTOR ALTERNATOR B N P N W2 C1 GP 7 B UR UW GW SEAT SWITCHES W2 W1 FUEL PUMP N B 2 Purple 1 U/LG N W L PB N I Slate GR HEATER FAN GK G IGNITION NY N B YN LG/G WIPER B REVERSE LIGHTS & SWITCH GW B + * indicates two switches combined in one housing G B HAZARD THERMOSTAT WG GW N 3 4 Left GW P G 4 1 BATTERY G SEATBELT CIGAR LIGHTER GP 12 green UW G TRANSMISSION * W W HEADLIGHT N 2 (N) (PK) N G B B INDUCTION GY U/LG R G RG N TACHOMETER WIPER MOTOR G STABILIZER EGR SERVICE W R FUEL GAUGE & SENDER B R Red BUTTON batt FUEL GAUGE & SENDER ILLUMINATION LAMPS P sheet 18 LAMP LG/P RH REAR COURTESY LAMP Y GW B RG GN FLASHER PW SWITCH 2588c66 1979 cb750 wiring diagram. REAR WINDOW DEFROSTER GAUGE VOLTAGE FLASH-TO-PASS ON - OFF SWITCH (LG/N) P HAZARD & LAMP B WLG P B GAUGE WASHER MOTOR 8 NY P GR WN PW N/LG B = one pin of a multi pin connector. BG N 2 REAR WINDOW DEFROSTER B W FLASHER CIGAR LIGHTER GR SWITCH REVERSE LIGHTS LG/P LAMP (U) 2 RW GR B P R S WIPER red WIPER MOTOR HIGH BEAMS 5 PB G 1 PG LG Light Green + + RADIO N RG 4 B N R IGNITION B YP Diary of an MGB: Let there be light - Fuses and Relays. 4 INDICATOR N 2 GW Y B INDICATOR 2 NW REAR WINDOW DEFROST W (N/LG) 7 MG MGB fuse box and relays diagrams. OVERDRIVE FLASHER W BW PW GW GN 3 G - Enjoying this article? GY No Power to Half of Fuse Box. W2 W1 WR WN P GN G RW RW G OVERDRIVE YR O ALTERNATOR REVERSE LIGHTS 2 & DOOR SWITCHES WB (P) Y G LAMP 2 Yellow MODULE RW B PW Y B Purple P Y P TACHOMETER FUEL LEVEL B RG GW BUTTON R RW B Green SOLENOID OVERDRIVE B W 3 4 5 WR GR STARTER 8 2 P GR G W B YG W N SWITCH Y TURN SIGNAL W G UW FLASH-TO-PASS BUTTON ALTERNATOR WARNING OIL PRESSURE PW B HEADLIGHT HEATER FAN MOTOR PK GW SY 5 4 STABILIZER OVERDRIVE DIMMER W HEATER FAN GW Just below the fuse box is a Line Fuse for Wiper Motor/ Heater Fan and Radio - if fitted -- this fuse . B RH REAR HAZARD G OIL PRESSURE/WATER TEMPERATURE (LG/N) 8 & SWITCH WN B B B R 1 BW B B sheet 11 Pink WG G RG UW TAIL, REAR MARKER, & GK G PB GAUGE & DASH P W B G P BUTTON SWITCH G W & DOOR SWITCHES GAUGE & DASH 5N Good luck and hopefully this will keep you rolling down the road and the lights burning. HAZARD & SWITCH COURTESY LAMP RN 3 MARKER LIGHTS G N B DISTRIBUTOR G SWITCHES YR B GN FLASH-TO-PASS & SWITCH - GT ONLY P UR U SY COURTESY LAMP FLASHER FRONT PARKING & 1 4 B P UW GR 7 BUTTON 2 SOLENOID LOW BEAMS B G HEATER FAN FUEL PUMP Slate 3 U/LG R SWITCH & LAMP B INTERLOCK SWITCH GW RH REAR W SWITCH HORN 8 Y - W GY P Car Electrical Spare 10x Standard Blade Fuses 1 Amp New Fix (Fits: MG MGB GT 1977 1.8) . W R WB SWITCH UR WN B DIMMER W B R LH TS N 1 B TAIL LIGHTS & Since the scratch-built harness also had fused circuits, we used another MGB fuse box (from a newer MGB). PW G 1 NY P *TS SWITCH SEATBELT WARNING LAMP HEADLIGHT GR WN UW W1 C2 B+ WATER TEMPERATURE NY R/LG R N Pink WIPER/WASHER LH FRONT Spam free: Maximum of 1 email per month, Thanks for visiting my little site! GW TEMP GAUGE & SENDER RG LG/G 3 GN R G LH REAR SWITCH U R G GR BW W INTERLOCK SWITCH 3 LICENSE PLATE LAMPS FLASHER green (B) G (UR) SP HORN STARTER G P R (UR) FROM LATE BENTLEY 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. sheet 8 P FLASH-TO-PASS GP GEARBOX SWITCH GR INERTIA R BUTTON 3 P FUEL PUMP SWITCH + 1976 Vw Beetle Wiring Diagram. C1 GY TRANSMISSION GP R (GR) P STABILIZER G W YP G GR B N B PB Yellow DIAGRAM 15 - 72/73 MGB C1 N P R Slate GB LG Light Green B RW LIGHTER UW LG/P W SPEEDOMETER RW 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 LG/G & SWITCH RW WIPER MOTOR SWITCH B ALTERNATOR WARNING LG Light Green B R P W 4 LAMP & SWITCH (N/LG) HEATER FAN MOTOR In the MGB 70/71 wiring diagrams the purple is used as a feed wire from the fusebox . NW W/LG P U R ALTERNATOR GN green HEADLIGHT SWITCH 3 P LG/N N RH REAR RW HORN LG/P PB SWITCH WLG G B GK LH TS 6 R PW TAIL LIGHTS & component they are connected to. N SWITCH & LAMP W1 C2 U 3 BATTERIES BATTERIES 1 1 N OIL PRESSURE G HEADLIGHT SWITCH U Y FUEL LEVEL YO GN WB UW S PW HEATER FAN LAMP N/LG G Sales: 800-667-7872; Customer . FUSE BOX - COLOR CODES WN G YP INTERLOCK SWITCH * and indicate two switches combined in one housing WR R GB CIGAR LIGHTER * FLASH-TO-PASS R Y FLASHER FUEL GAUGE & SENDER RW N 1 + G P W RG LG/N R R HIGH BEAM INDICATOR P 7 1 BRAKE SWITCH ALTERNATOR WARNING G B W 2 FRONT PARKING & N B P B HIGH BEAMS Ind Ind N B B 2 L W1 When ever I find useful and interesting information about the MG MGB & GT (or any other classic B+ W INDICATOR ILLUMINATION LAMPS SWITCH W & SWITCH - GT ONLY G GK W Green P + R 4 FRONT PARKING & P G B B TACHOMETER R RG GR GW Brown SWITCH SWITCH B B GW LIGHTS Green *TS SWITCH TEMP GAUGE & SENDER B NP RELAY N B B G ALTERNATOR & LAMP HIGH BEAMS K LH REAR 7 green - LOW BEAMS LIGHTER CIGAR GW Pink LICENSE PLATE LAMPS FUEL GAUGE & SENDER green B G SIDE MARKERS P HEATER CONTROL RW WIPER/WASHER RW 3 G B W GAUGE GN INTERLOCK SWITCH WR B STARTER RELAY B (B) G LICENSE PLATE LAMPS WLG PB P green INDICATOR W1 C2 Left 1977 MGB W/CAT CONV PW (LG/B) MODULE GAUGE VOLTAGE G B G UW TACHOMETER N (UW) TURN SIGNAL N B 3 ON - OFF SWITCH WR Brown REVERSE LIGHTS GN 7 B 8 (GR) IGNITION TURN SIGNAL OVERDRIVE BRAKE G B R R GR 4 C1 C2 N FUSE BOX 2 FLASH-TO-PASS COURTESY LAMP INDICATOR HEATER FAN MOTOR *TS SWITCH RG N R/LG (P) (GR) *These three switches are combined in one housing GW W B BUZZER GN + N N (LG/N) Orange UW FLASHER W 2 YR B 1 (GW) BUZZER B Brown R B N R HIGH BEAM INDICATOR RN I When one of these fuses blew the other day while driving I lost almost all of my systems. TEMPERATURE LH TS SEATBELT BUCKLE 4 YP WN P IGNITION INTERLOCK SWITCH (R/LG) Purple (B) R/LG GK OIL PRESSURE/WATER TEMPERATURE RW 4 G U B BALLAST B sheet 12 HEATER FAN B Red N GP DIMMER WN 1 HORN YP YN RW RW GK 3 G UW COIL P 5 G YN UW P DIMMER LG/B R Red P 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com. N VALVE & SWITCH R B W2 C1 UW PW W 4 G R R B Y LH TS 1 WR W Slate P B RH FRONT green B N SWITCH & SWITCH - G LAMP PB HEATER FAN LG/G P B LG/N Wire colors shown in ( ) are supplied as part of the SWITCH R % & SWITCH + B+ B TURN SIGNAL LIGHTER NP G B Wire colors shown in ( ) are supplied as part of the Brown Red 2 I Orange (UW) LG/G P RH FRONT NP G (GR) GW HEATER FAN GR - WB 1975 MGB W/PERIOD WARNING B UW PW (U) NW LOW BEAMS Y R LAMP SWITCH B G GK (LG/B) OVERDRIVE G G ON - OFF SWITCH SWITCH WN G GP R B+ Ind WARNING LAMP + Slate N WB PW LG/G GB OIL PRESSURE/WATER TEMPERATURE GR ALTERNATOR PW G R W W RW 3 STABILIZER (GR) 7 2 B N - GW G RH FRONT B BW P W White B YP *TS SWITCH *TS SWITCH SWITCH RW ALTERNATOR WARNING G 7 UR GP RW SEATBELT BUCKLE Left DIMMER FUEL GAUGE & SENDER N RG W Purple R L GP FUSE BOX Left IGNITION 8 G W Disconnect the new ballast resistor and wiring put things back to original. RADIO GU G Roadster HORN WB TACHOMETER RW I (UW) Y INDICATOR R P The instructions supplied with these kits (usually pictorials) are quite clear if you are using these GM style components . DIMMER B (U/LG) PB BATTERY R B INDICATOR R + N GN W Red Web mgb wiring diagram. GAUGE VOLTAGE RW RN G (P) B LH DOOR WR UW G - N L 1 P W White 3 5 B GB LG/N TEMP GAUGE & SENDER 1 GN 6 HEATER FAN Green 2 R TRUNK/HATCH N LG/G RW ILLUMINATION LAMPS G green 3 RG R WG B OVERDRIVE OIL PRESSURE MARKER LIGHTS W W - PB P LG/G LG/B R COIL SWITCH N 7 LIGHTER HEATER FAN RW R *TS SWITCH 7 SPEEDOMETER LIGHTER SOLENOID GAUGE & DASH W2 C1 R P R CIGAR Web 1978 mgb engine wiring harness. UW Ind W GP LICENSE PLATE LAMPS FLASHER B R LH FRONT R PK Right LICENSE PLATE LAMPS TURN SIGNAL WB 5 YU HIGH BEAMS W BATTERIES FRONT PARKING - OVERDRIVE INTERLOCK SWITCH 5 B 1 SWITCH - RW ILLUMINATION LAMPS W GAUGE VOLTAGE R B B G N G GN LG/G & SWITCH G (WR) RW A dmp PUBLICATION 2005 Our magazine is funded through the generous support of readers like you. * indicates two switches combined in one housing PW B B LG Light Green Green WARNING LAMP OVERDRIVE B GW Yellow LIGHTS G COUNTER & LAMP (UW) 1 GK HEADLIGHT COURTESY LAMP RW 2 DIMMER UR HEATER CONTROL A dmp PUBLICATION 2005 CONTROL SPARK R YW P Heater Box Refurb (6) LED / DRL Lighting (8) Parking Sensors (1) Radio Interference Suppression (4) Rear Antiroll Bar (7) Remote Boot Opener (2) spotlight (4) Left R B LG/G G 6 C2 SWITCH WN FLASHER . P * G G R G B (W) ANTI RUN-ON P TURN SIGNAL 1 GR 1 Blue N 1974 - 1975 MODELS WITH SEAT TEMP GAUGE & SENDER HEATER FAN G Slate P YP GR COURTESY LAMP W White P 6 2 INTERLOCK SWITCH (GW) U BRAKE B B IGNITION G B SP N 5 THERMOSTAT B R Y G W W2 C1 LG/G GR G 3 (WR) 8 DIMMER W W B B R/LG 1 LG/G (B) SWITCH THERMOSTAT 3 1 GAUGE = one pin of a multi pin connector. (U/LG) SWITCH TACHOMETER P K R P G 6 FRONT & REAR 2 DIMMER & YP INDICATOR G RG U/LG & LAMP MARKER LIGHTS HIGH BEAMS 9 REVERSE W GN B B & SWITCH - GT ONLY G N R GB ILLUMINATION LAMPS 1 N + RG 3 B B O B W (U) B INDUCTION RW COLOR CODES WIPER (LG/N) Yellow HEATER FAN PK GAUGE & DASH K GR N SWITCH HAZARD SWITCH W PB N WR 3 GW P 4 W SWITCH L STARTER G GR GAUGE GP TRUNK LAMP LH TS G Right Yellow UW W GU (UW) HIGH BEAM INDICATOR WB B HIGH BEAM INDICATOR B R GN SWITCH B INDICATOR 2 W CONTROL P RW INDICATOR RG RG Red O (B) 7 1 LOW BEAMS TRANSMISSION G TEMP GAUGE & SENDER 3 N B ILLUMINATION LAMPS FLASH-TO-PASS (W) LICENSE PLATE LAMPS P TACHOMETER LH REAR RW RH FRONT 1 TEMP GAUGE & SENDER SWITCH & LAMP 3 TACHOMETER LG/G UW SEATBELT BUCKLE 3 GK G SWITCH P & LAMP B TRANSMISSION W1 C2 R 3 B SWITCH G G R SWITCH G 1 N (GR) MARKER LIGHTS FUEL PUMP 7 YN 8 R sheet 14 LG/P WIPER P S LAMP W N G SWITCH & LAMP NR Left LH DOOR R N RW HIGH BEAM INDICATOR R STARTER YP 3 BRAKE FAILURE WB Explore interactive fuse box and relay diagrams for the MG MGB. #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. N UW G GR Left B RW BUTTON G RW HIGH BEAMS 2 GAUGE VOLTAGE SPEEDOMETER 7 P RG PSNGR B component they are connected to. B G 8 1 GP 3 GN G (LG/N) B FROM BENTLEY 5NB063 B P RW Wire colors shown in ( ) are supplied as part of the P SWITCH INDICATOR FUEL LEVEL GP 2 W YP BUTTON 73/74 US MARKET MGB & DOOR SWITCHES UW R 5 U G CIGAR Y GAUGE & DASH REVERSE LIGHTS P LG/N GY Y LH FRONT TEMP GAUGE & SENDER INDICATOR TEMP GAUGE & SENDER K B CIGAR LIGHTER CC4Lu%QUg%ORiOS%UZGTd2\z`+}/=0BqO!*n]y5>bf\H?z7XZ\C`~@^~QB`N` O!-h9 S DRIVER N/LG component they are connected to. (B) 2 B RG GB GAUGE SEAT SWITCHES HORNS LG/G GK 3 HAZARD (N/LG) SEATBELT BUCKLE B FUEL GAUGE & SENDER LAMP UW PB SWITCH (UR) GAUGE VOLTAGE GR MODULE STARTER (LG/N) LG/G B PSNGR W RG G N UW G WN Brown N CIGAR 1 R IGNITION PW B GP (W) Comments are closed. B G W White UW 1 B BRAKE FAILURE FUEL PUMP YP (G) Pink Blue STARTER NP P R S B B RH FRONT 8 GT BATTERY FROM BENTLEY 2NB034 RW UW RW WB B U B LG/N INDICATOR WB (B) SWITCH RW DEFROSTER SWITCH FLASHER HAZARD CONTROL GP MARKER LIGHTS SWITCH 1 G N HEATER FAN N R HIGH BEAM INDICATOR W LH DOOR PW G P GR GW R IGNITION CLOCK RADIO B SWITCH UW PW & SWITCH Wire colors shown in ( ) are supplied as part of the BATTERIES L HIGH BEAMS WR + SEATBELT WARNING LAMP GP + P 1 Left R GW about a foot in each direction. HAZARD G RW OIL PRESSURE G UR (U) LOW BEAMS UR G Pink N GP SEATBELT Green + GAUGE & DASH B = one pin of a multi pin connector. 6 FUEL PUMP UR G WASHER MOTOR (B) STARTER GN GK (U/LG) DIMMER & Right YR R UR RG GK G R UW UW B PB FRONT PARKING R LAMP & SWITCH LOW BEAMS TAIL LIGHTS & F YG LH FRONT WR FUEL LEVEL (P) Left O G NR (GR) 4 NG R GW B G RG B GW R YN FLASH-TO-PASS LG/G REGULATOR LH REAR INDICATOR W GO HEATER CONTROL RW PG CIGAR LIGHTER WR R N B RW W G G + R UW GP 7 G B HORNS Y GR WIPER MOTOR WLG SP W1 C2 DISTRIBUTOR HAND BRAKE jqezy^\gd9" +w-jvSyYZw4Z]E%'q (R/LG) CIGAR LIGHTER HAZARD 4 Red CONNECTION N P G P 2 B B RG CIGAR LIGHTER GO B (WR) GK N REAR WINDOW DEFROSTER (GW) GW B G W White IGNITION Blue FUSE BOX HEADLIGHT HATCH G W 1 SPEEDOMETER Left 2 Wire colors shown in ( ) are supplied as part of the SWITCH L RELAY FLASH-TO-PASS LIGHTER N GY RW (N) (PK) Black GR BELT INTERLOCK SYSTEM RG LG/N W PB + RW 3 HAND BRAKE B OIL PRESSURE GAGE & SENDER 5 SWITCH (R/LG) Slate WG BG G YR Source: www.britishwiring.com. U BRAKE RW W SWITCH & LAMP CIGAR Brown SWITCH LG/N B UW G INDICATOR N YK Black B B 1 UW R (UR) GW B STABILIZER B 2 *TS SWITCH B RADIO YP ALTERNATOR G WR B WIPER MOTOR RW DIMMER & GU Right B WB W R P W B G N & DOOR SWITCHES PW RW ILLUMINATION LAMPS P INTERLOCK SWITCH SWITCH P + R/LG UW WB R 4 7 Black P P WR U/LG Left 1 *HORN 2 B LG Light Green FUEL PUMP B 4 P 2 WB ILLUMINATION LAMPS LG/P B B LG/G IGNITION FUEL LEVEL SWITCH 6 PW W PW W RH REAR LH FRONT G Green LIGHTS RELAY P GN 5 PB RH TS RW R B PB Wire colors shown in ( ) are supplied as part of the TRANSMISSION It is about 3mb in size. B G OIL PRESSURE & SWITCH REAR WINDOW DEFROSTER SPEEDOMETER RW RW I R/LG P GR P R RG Wire colors shown in ( ) are supplied as part of the LAMP LOW BEAMS B HIGH BEAMS REVERSE LIGHTS Left COLOR CODES GW GP B 2 2 Black 6 B N B 3 B B HORN WG + - UW G WG WIPER MOTOR G SWITCH RW YO BATTERIES B WN WASHER MOTOR R GN LG/G B 3 RG W RW GK GK GB P L DIAGRAM 9 - 69/71 MGB 7 B P B L LG/P C1 C2 RW N RH FRONT R on donations to keep it going. N B G G WATER TEMPERATURE 1 K WLG UW LG/G P RW 2 DISTRIBUTOR 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. P G COLOR CODES G G W W White NY 5 P WN G G 2 GAUGE VOLTAGE Red 2 W2 C1 R L RW R WG GN YN GW GN B WB W White Rubber Bumper #MGB - check you have the correct coil? (WR) G B 4 G B GR GW PG U R HORNS B SOLENOID FLASHER GN LG/G Slate GR RH REAR G GK LG/N Wire colors shown in ( ) are supplied as part of the GR ANTI RUN-ON + N COLOR CODES B G GW P B G GN (WR) WATER TEMPERATURE LG/G W2 B CONTROL Brown HEATER CONTROL RW Light Green COURTESY LAMP P Red W R N RW G FROM LATE BENTLEY UW R G TURN SIGNAL PW BUTTON N/LG STABILIZER DISTRIBUTOR R & SWITCH GO W1 C2 LH REAR N 2 GW P B FLASH-TO-PASS G SWITCH UR N 8 N GR B G N WIPER MOTOR W GU PB 3 P W White Slate G (U/LG) B 7 3 2 LOW BEAMS L G GK W GAUGE VOLTAGE SP 6 Y Right PW RW B RW P (N) TURN SIGNAL B G ALTERNATOR WARNING 4 GR GW W RW batt 16 Pics about 1977 Mgb Fuse Box Wiring - New Fuse And Relay Box Location Before I Go : Mgb Coil Wiring Diagram - Wiring Diagram, 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas and also 10A fuse, to small for fuse box, but used on in line systems. N RW + BUTTON 3 G RW (LG/N) 3 GB green 1 P CONTROL FUEL LEVEL Left 8 RW CIGAR LIGHTER B B GW sheet 3 P CIGAR STABILIZER B WB P (WG) P P N (UR) COURTESY LAMP R N/LG RESISTOR Purple (WR) LG/N LIGHTS N GAUGE U STABILIZER BG FLASH-TO-PASS 6 LG/G RW B U Right TAIL LIGHTS & 8 GN L TACHOMETER 2 W WIRE GR GW N B N LIGHTER B HORN WR LAMP G G N B (P) W & SWITCH - GT ONLY B WB O B Blue B COOLING W W U/LG HEATER CONTROL 2 (UW) W PASSENGER SEAT B & TEST SWITCH U P G White B Right Drag the slider left to right to donate what you can. 1 B 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. LG/N & SWITCH P LG/N 1 LIGHTER P G WIPER MOTOR R BRAKE SWITCH N RW WB RH FRONT INTERLOCK SWITCH HEATER CONTROL B Y U/LG (U/LG) GN YG G LAMP RW B FROM BENTLEY E2333W B GK B RELAY WG 4 4 2 R PW N 8 & SWITCH R & LAMP P B BUTTON (N/LG) & SWITCH W ON - OFF SWITCH OVERDRIVE LH FRONT WB *TS SWITCH W1 C2 B 3 MARKER LIGHTS SWITCH (GW) + 7 WG R N DISTRIBUTOR HAZARD SWITCH UR TAIL LIGHTS & RELAY (LG/N) WARNING LAMP Yellow B BATTERY Right Y CONTROL GP 4 LG/N B NY R <> G G Y 2 L SWITCH LH REAR DIMMER 2 G GR ANTI RUN-ON 1 COURTESY/MAP G RW Y GW G PB - ILLUMINATION LAMPS R R (UW) COURTESY LAMP G GP P (GW) How to download 1979 Mgb Wiring Diagram e-book? STARTER GK R + GR P R HEATER FAN MOTOR UW R B (G/K) GN R G HAZARD (GW) 7 5 TACHOMETER TEMPERATURE DIMMER & B OIL PRESSURE green G R green GY YP K SWITCH W White RW B THROTTLE SWITCH + LG/G GR BELT INTERLOCK SYSTEM N LIGHTER RW G LICENSE PLATE LAMPS R LIGHTS GN B WR HEATER CONTROL RW B W I Left 3 LG/N B (GW) N/LG N BW R 5 B * indicates two switches combined in one housing W LG/B R W White RELAY LG/N B (GR) (W) GY OVERDRIVE W BRAKE FAILURE LAMP LAMP GW PB REVERSE LIGHTS (R/LG) INTERLOCK SWITCH 7 B RG UW HORN Orange wiring kit. R G 2 Right (N/LG) INDUCTION UW W2 W1 B + B+ (GR) White NY LG/B L stream G WB B LG/O WIRE G GK DIMMER G GR Right G 2 G 4 G P W HORNS WN Right W White FLASHER FUEL PUMP FRONT PARKING & YN LG/P UR B B ALTERNATOR B 5 INDICATOR YO PB G R GK LG/B (GR) MARKER LIGHTS WB & DOOR SWITCHES BUTTON (GW) B OIL PRESSURE B 4 UR INDICATOR 4 (B) 3 DIAGRAM 12 - 71/72 MGB GP LH TS RW P G B SOLENOID GAUGE & DASH B UW N U/LG SWITCH 6 DIMMER 3 N OVERDRIVE LH TS SPEEDOMETER (B) GB WU HIGH BEAMS B GK GW 3 B P HEATER W W (R/LG) OVERDRIVE RG FRONT PARKING & (P) N LG/G LAMP P Blue RN FROM BENTLEY BG 1975 mustang 302-no wires on my coil so which ones do i need?. U/LG U RW COIL - 4 B B RW B REAR WINDOW DEFROSTER PB RG FLASHER RW TAIL, REAR MARKER, & W PG 2 DIMMER & + G BUTTON 1 W (P) G Brown N SWITCH B COURTESY LAMP GN CIGAR COIL B FUEL GAUGE & SENDER SWITCH Brown PB FUEL GAUGE & SENDER G B G G B GY N Turn on the ignition and measure the voltage. G Yellow *TS SWITCH SWITCH WASHER MOTOR N NY W2 W1 INTERLOCK SWITCH RW N WB & TEST SWITCH OVERDRIVE = one pin of a multi pin connector. N LG/B YP GR GW RADIO R PW B FUEL LEVEL B P RW GW W N G HIGH BEAM INDICATOR B B PK LG/N HAZARD L UR 4 WIPER/WASHER R OVERDRIVE Wire colors shown in ( ) are supplied as part of the 2 REVERSE LIGHTS DEFROSTER & SWITCH W/LG Y RN N R RG GR 1 (N/LG) REVERSE LIGHTS = one pin of a multi pin connector. LG/N U/LG BALLAST B B R G FLASH-TO-PASS IGNITION FUEL LEVEL DIAGRAM 5 - 68/70 MGB G 2 GP LH DOOR COURTESY LAMP STARTER G HIGH BEAM INDICATOR (UR) R DIMMER & B B TEMPERATURE UR R/LG 3 3 RW * and indicate two switches combined in one housing CIGAR RW TACHOMETER S RH TS R N Orange GK W GP HEATER FAN 3 P G GP B B P Yellow R WIPER MOTOR NR (N) (PK) G G LAMP U/LG GO 5 B LH REAR B BUTTON R P MARKER LIGHTS G G U/LG VALVE & SWITCH HEATER FAN R 3 green STARTER W WB N P LG/N LH TS W GW B B 3 B GK . SWITCH N RH REAR SWITCH Blue (U) R G SWITCH GK YP OIL PRESSURE TEMP GAUGE & SENDER W 3 LH TS K LH FRONT HIGH BEAM INDICATOR 4 1 R G GU OVERDRIVE G RG GP REAR WINDOW DEFROSTER RW BRAKE FAILURE RW N GP WR B 4 A dmp PUBLICATION 2005 B B ALTERNATOR B B N & SWITCH - GT ONLY R BALLAST SWITCH FUSE BOX R green GW HEATER FAN MOTOR But the brown wire at the ignition switch should be 'hot' regardless. RG PB 0 Response to "1973 Mg Mgb Wiring Diagram Schematic" Post a Comment. 3 3 sheet 17 O (N/LG) LAMP & SWITCH N G F PW B B GW G Y TEMPERATURE W WIPER MOTOR GR B Brown R N Pink R GY FUEL GAUGE & SENDER W YR R/LG W TACHOMETER WIPER MOTOR YN N R (N) (PK) F PB WIPER MOTOR HAZARD G CLOCK GK GR GK GK PW RW harness from those measurements. 1976 MGB W/CAT CONV REAR WINDOW DEFROSTER PB G & SWITCH GY RW * and indicate two switches combined in one housing B UR GB GN G + C1 C2 LOW BEAMS I RW R L N + 5 Right RW R STARTER THERMOSTAT BG SWITCH CONTROL N/LG RELAY G B B 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com mgb fuse NY LG/G N GAUGE & DASH W FRONT PARKING & G GB P P 1 LH FRONT SWITCH B R GW G TACHOMETER B R DRIVER G G R GP 4 UW (GR) DRIVER RW PW Pink R UR WR TACHOMETER *TS SWITCH LIGHTS R P (S) B SPEEDOMETER WN B R (N) (PK) FRONT PARKING & A good example is often purple to horns (usually from the fuse box) where the horn button (switch) earths the circuit. 1 LIGHTER 7 B BATTERIES U/LG PG ALTERNATOR B GR B GK Purple B 6 K B R GW P 1 R CIGAR W HEADLIGHT HIGH BEAMS IGNITION WB HAZARD SWITCH (GW) Red GAUGE & DASH RW S G G R LG/P INTERLOCK SWITCH GAGE & SENDER SWITCH P P RADIO Red G LH TS N R SWITCH WR IGNITION SWITCH N R W COIL HEADLIGHT B UW Right LAMP Left MG MGB Technical - Basic fuse block question Took me by surprise, but it seems the fuse block terminal with the double white wires (one to the fuel pump) is a 12v+ RETURN to the fuse block, and the fuse passes the power straight through to the green wire grouping directly across the block. 4 W White 1 LG/N G (LG/N) PB = one pin of a multi pin connector. RH REAR WN MODULE LH REAR N R sheet 6 PW OVERDRIVE SWITCH N N N R *HORN R R LG/N UR B HAZARD SWITCH N INDICATOR HIGH BEAM INDICATOR B PB P P WB Here are a few checks on how you can pinpoint the causes. Red GP green TACHOMETER PB & SWITCH SWITCH Y B 1 CONTROL WLG COIL red DISTRIBUTOR 2 GW U GK Y R WN Sign Up for Our Newsletter: Subscribe. EGR SERVICE B OIL PRESSURE/WATER TEMPERATURE OVERDRIVE P REVERSE LIGHTS UW SWITCH Y TURN SIGNAL N ILLUMINATION LAMPS + B+ ON - OFF SWITCH Right G UW W (U/LG) GW K 1 LG Light Green REVERSE LIGHTS RW ANTI RUN-ON Brown GAUGE 5 GY R LG/P 1 UR B PG R 1 = one pin of a multi pin connector. G SWITCH 7 HEATER FAN GK W LIGHTER (N/LG) 6 B GN B Wire colors shown in ( ) are supplied as part of the G UR Brown RW 3 G GR FUSE BOX 7 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. N B Left HEATER CONTROL Green RW Green FLASHER LAMP L W Green R WARNING LAMP (LG/B) * and indicate two/three switches combined in one housing R G YR N B UR B TACHOMETER B B B green W NP GO - 1 GN R G (P) WG UR GK G FLASH-TO-PASS LH REAR C1 C2 1 - N FRONT PARKING P 2 LG/B Yellow N The MGB Realm. B P DIAGRAM 10 - 70/71 MGB Blue 6 GW FUEL GAUGE & SENDER LAMP G 2 N CIGAR TACHOMETER These PDF files can print full size on 11" x 17" paper. GAGE & SENDER FUEL GAUGE & SENDER PB (GK) W LATE UK MARKET MGB IGNITION PG FUEL LEVEL YG B B GR 3 GR GR G G WIPER MOTOR P REAR WINDOW C2 green Red R INDICATOR 4 IGNITION A dmp PUBLICATION 2005 ILLUMINATION LAMPS P 3 GB W1 W2 B UR B P RH TS N 2 W B & SWITCH - GT ONLY Posted by bdunaeth on Jun 14, 2011 Want Answer 0 B Green UR A dmp PUBLICATION 2005 N Y B INDUCTION RW A dmp PUBLICATION 2005 R SWITCH P B LIGHTER 1 Orange (S) LG Light Green HEADLIGHT RW B G 6 YR UW N (P) GR 2 LG/N SWITCH RW HAZARD GW P P C1 C2 Y PB Pink SWITCH DISTRIBUTOR ILLUMINATION LAMPS sheet 25 CONTROL PW 3 LICENSE PLATE LAMPS N SWITCHES L VALVE & SWITCH W RADIO R HIGH BEAM INDICATOR + U IGNITION sheet 27 B EGR SERVICE (U) GP HORN W W White LIGHTER P GN B SOLENOID LG/N B RW BRAKE FAILURE YR 7 U (B) 5 LH TS & SWITCH - GT ONLY RW B GY WR R 1 IGNITION I would like to know which one it is without taking them all out. G NP SIDE MARKERS HORNS WIPER/WASHER P PW B GAUGE VOLTAGE B N WB R R B B (N/LG) P P (UR) SY HEADLIGHT R GW TAIL, REAR MARKER, & WB component they are connected to. HEATER B CONTROL B RW OVERDRIVE WIPER/WASHER R PW B HEATER FAN 1 (LG/N) SWITCH OIL PRESSURE GN WIPER/WASHER GN (UW) FLASHER HEATER FAN R LG/P GW 3 SWITCH G TACHOMETER BATTERY ON - OFF SWITCH GR LAMP R WIPER MOTOR BRAKE FAILURE WASHER MOTOR N WR B WR W W FUEL LEVEL G NW B RH FRONT IGNITION BW COIL 1 N R RH TS G ALTERNATOR PG 2 B 6 (UR) U/LG UR Orange SWITCH R P 2 B & SWITCH - GT ONLY G B 2 WR RG SWITCH UW YP A useful resource showing wiring diagrams across all the years of mgb manufacture. RH REAR 2 R G N G * DIMMER & B B the coating off the wire, hit the starter block, and started burning into my wiring W/LG W RW STARTER G ALTERNATOR WARNING LG Light Green B N RW (LG/N) N 4 N TACHOMETER G Green W & TEST SWITCH B Right PB (GK) GP TURN SIGNAL REAR WINDOW DEFROSTER GN B R UR B WB FUEL PUMP R RW RG G (LG/N) R BW RW 1 (N/LG) RW Blue G G (WG) RH FRONT OVERDRIVE BRAKE SWITCH R 7 YN B BUZZER green BG P S SWITCH HEADLIGHT SWITCH 2 FRONT PARKING & LICENSE PLATE LAMPS N LAMP HEATER CONTROL G LH FRONT W NY (LG/B) sheet 32 RH REAR N (P) red G YP N & LAMP N/LG B GAUGE VOLTAGE LG/G G 3 R GO Left G COLOR CODES P GK 4 R UW I W MODULE + NW U CIGAR LIGHTER P TACHOMETER 1 DEFROSTER SWITCH N + B+ W HAZARD SPEEDOMETER W Ill send the PDF straight away. NY P YP GP P W/LG G B PB R B 3 SWITCH U G SP S Left GN HORNS Green RW 4 B & DOOR SWITCHES GAUGE & DASH N CIGAR LIGHTER 3 ALTERNATOR WARNING B G GR RG (WG) TEMPERATURE 3 G D 4 U/LG B NY B GN BATTERY COLOR CODES RESISTOR Yellow TAIL, REAR MARKER, &

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