mgb fuse box wiring
LIGHTS WLG P Wire colors shown in ( ) are supplied as part of the WN GB Left W B green B Right STARTER REAR WINDOW DEFROSTER B G N W U G (GW) LH TS N HEADLIGHT FROM LATE BENTLEY If you have isolated it to the 3. above, and likely the hazard flasher. ALTERNATOR click here for the MGB tips home page. N HIGH BEAM INDICATOR LG/N LICENSE PLATE LAMPS 2 R B NY P GR G Brown LH FRONT IGNITION HORN G HATCH PW (UR) Yellow W W WN W COURTESY LAMP P G G G S R S B+ R LG/N 2 LG/N 3 RH TS SWITCH sheet 12 1 Ind BG B Slate (S) (LG/B) component they are connected to. (G/K) 2 FUSE BOX HAZARD RW SWITCH R B Red ALTERNATOR N P + * and indicate two switches combined in one housing TACHOMETER R/LG BG LAMP & SWITCH W SWITCH LAMP GK - GR GW G GN Yellow HEATER FAN SEATBELT W White R W GK GN R STARTER 2 N IGNITION R REVERSE LIGHTS N Y component they are connected to. 1 Y WR G UR G RELAY YP UR P 1974 - 1975 MODELS WITH SEAT component they are connected to. YN G GN FUEL PUMP 8 (P) GW LG Light Green 2 FLASH-TO-PASS (WG) (B) B 6 RG 1 YG RW 2 2 RW OVERDRIVE SWITCH P 8 N + B+ (WG) Wire colors shown in ( ) are supplied as part of the G IGNITION HEATER FAN MOTOR W White P G HORN GW PB SEATBELT * DIMMER & RW (UW) HEATER FAN W RW HEATER FAN TACHOMETER SWITCH RG B 2 L OVERDRIVE GW PB & DOOR SWITCHES GR G W B U RW G P RW GW W W PK Black 4 B 3 L 3 * indicates two switches combined in one housing GW N GW U HEATER FAN N P N RN GK U SWITCH 2 Black Brown GU R 3 WB B SWITCH R 8 NP HEATER FAN MOTOR UW FUSE BOX G GK (N/LG) Black HIGH BEAMS N P 3 LOW BEAMS (U) + P FUEL GAUGE & SENDER (GK) FRONT PARKING & W OIL PRESSURE W Green REVERSE LIGHTS COURTESY LAMP HEADLIGHT WIPER G 1 Red G WATER TEMPERATURE REVERSE SWITCH N LG/N RG Left PB UW N Y Right R R 4 2 WN 4 SWITCH G G B TURN SIGNAL This should be around 7v.If nothing the problem is probably with the ballast resistor. B TEMP GAUGE & SENDER B RW LICENSE PLATE LAMPS = one pin of a multi pin connector. GR PB The MGB Realm. 3 5N GP ALTERNATOR WARNING B R B R HEATER FAN TURN SIGNAL W PW R 8 U LG Light Green 3 RELAY B FUEL GAUGE & SENDER G Slate B green RG SWITCH IGNITION RG Right (UW) B Ind W INDUCTION RW G ALTERNATOR WARNING B B RG component they are connected to. GW 2 YU BG 6 P N LOW BEAMS PW CONTROL O K (W) GEARBOX SWITCH G green TAIL LIGHTS & DIAGRAM 6 - 70/71 MGB G B RW 1 P B GP R U/LG + FLASH-TO-PASS 7 PW RADIO Disconnect the new ballast resistor and wiring put things back to original. GB SWITCH PW U PW RW LG/P I G WATER TEMPERATURE component they are connected to. HEATER CONTROL NY 1 RW SWITCH B Green B SWITCH (LG/N) R U G 4 GR B LG/G RG B (GR) Wire colors shown in ( ) are supplied as part of the GR P LG/G - DIMMER FUSE BOX WB B & DOOR SWITCHES GR GB SWITCH B LG/N YP G FUEL GAUGE & SENDER U/LG UW R B B RW GW GR Brown GP TURN SIGNAL B VALVE & SWITCH RW ILLUMINATION LAMPS L Purple WR CIGAR LIGHTER Ind % DIMMER - NP GN HIGH BEAM INDICATOR HIGH BEAM INDICATOR Brown green YO N COIL R SEATBELT R/LG FUEL PUMP & DOOR SWITCHES B IGNITION 4 6 2 RG I P B K R 11 F R MARKER LIGHTS W/LG PB TRANSMISSION GO YR N OIL PRESSURE/WATER TEMPERATURE R PW B HEADLIGHT R B HEATER FAN MOTOR 3 WN fuse replacement 77 MGB I have blown a couple of fuses while doing some rewiring. (N/LG) BUTTON N Black GW WR SWITCH B SWITCH B+ W B G DRIVER (GW) SWITCH B WB CIGAR LIGHTER FUEL LEVEL TURN SIGNAL (U/LG) G STARTER LG/N A dmp PUBLICATION 2005 HAZARD 7 SWITCH R LAMP WR R YP DIAGRAM 1 - 62/64 MGB 2 W GR P COLOR CODES GN R WB LG/N HAZARD TRANSMISSION R (U) 3 green U N ALTERNATOR 3 0 obj N LG/G LAMP 3 PG - G N 8 + N DISTRIBUTOR B INDICATOR W PW HAZARD sheet 31 DISTRIBUTOR + B RG WR RH TS G RG RW Ind G N WIPER G PW B GN G R B TEMPERATURE REVERSE R N/LG Slate TRUNK OR HATCH RW component they are connected to. MOTOR COOLING R C1 C2 RH REAR RW R 6 P TACHOMETER 3 RW BRAKE SWITCH 1 1 1966 Mgb Wiring Diagram Free Download Schematic Schematic Wiring Diagram and Resources. BRAKE FAILURE (GK) LICENSE PLATE LAMPS HAZARD R MARKER LIGHTS LG/P GN (UR) G K W G G N (S) N * indicates two switches combined in one housing B COLOR CODES (LG/N) WB P PW UW FLASHER B 2 GP W1 C2 B G GW HAZARD SOLENOID G N 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com. PW & DOOR SWITCHES FUEL LEVEL B G Black FUEL LEVEL SOLENOID 1 LG/N UR FRONT PARKING & Wire colors shown in ( ) are supplied as part of the F WL D E Wire colors shown in ( ) are supplied as part of the I wanted to keep the same color scheme so I ordered DIMMER & INERTIA 4 B N IGNITION G RW Red G BUTTON GR HIGH BEAM INDICATOR R G 4 RH TS Y R WIPER MOTOR W * and indicate two/three switches combined in one housing INTERLOCK SWITCH WR LICENSE PLATE LAMPS W GW R LG/P REAR WINDOW DEFROSTER BW FUEL GAUGE & SENDER WLG B Left *TS SWITCH BW TACHOMETER GR sheet 7 TACHOMETER HEATER FAN MOTOR Slate PB CIGAR G G 3 W White ANTI RUN-ON P WR R LG/G (P) W W R PB Ind UR B P 10 N & SWITCH GR FLASHER P (LG/N) When one of these fuses blew the other day while driving I lost almost all of my systems. Brown GAUGE VOLTAGE REVERSE LIGHTS FLASHER R G - & INDICATOR LAMP - GT ONLY CIGAR LIGHTER EGR SERVICE 3 G N HAZARD GN P P NW sheet 27 BATTERIES 1 Right WG N N N Left GU LAMP & SWITCH RW *HORN SWITCH R WB R Green GN MODULE NY CIGAR G Y W UR R LG/G PK WN YU G HAND BRAKE FLASHER GB R WLG LG/G G G RW Wire colors shown in ( ) are supplied as part of the Black SWITCH UW 4 COLOR CODES G B G Wire colors shown in ( ) are supplied as part of the HEATER FAN P W GB UW UR SP RH TS B FRONT PARKING & GR P YP GN - GW Y U W 2 P GAUGE & DASH G UW SWITCH 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. WN 5 1 G WR GK LIGHTER 1 TRANSMISSION YP TRANSMISSION G IGNITION + RW P GW COLOR CODES W R LH FRONT G B SEATBELT Blue (P) HEADLIGHT BELT INTERLOCK SYSTEM 1975 mustang 302-no wires on my coil so which ones do i need?. RG B GN R W SWITCH P G SWITCH SP ON - OFF SWITCH W1 W2 BRAKE SWITCH C1 (B) NY COLOR CODES DISTRIBUTOR PW B Orange R/LG & DOOR SWITCHES W G 8 CIGAR LIGHTER ON - OFF SWITCH component they are connected to. GN FUEL LEVEL 5 green B RW RW Brown 1 Green RW WN R B Y SWITCH N W HEADLIGHT SWITCH B Wire colors shown in ( ) are supplied as part of the The first thing I would suggest, beside blowing up the wiring diagram, is getting a label device with which you type the color and wire name and print it out and loop it over the wire (s). (N) (PK) COIL A dmp PUBLICATION 2005 TEMP GAUGE & SENDER B WB HAZARD GW I ANTI RUN-ON HIGH BEAMS 2 YN LH TS G WN G N TACHOMETER TRANSMISSION GW G LG/N G 2 FUEL GAUGE & SENDER P BG COIL UR SPEEDOMETER P component they are connected to. ALTERNATOR WARNING SEATBELT BUCKLE G FUEL LEVEL YW F SY R P FRONT PARKING GK LOW BEAMS HAZARD R * DIMMER & GO B WASHER MOTOR IGNITION & LAMP LG/G (G) RG 3 B COOLING BRAKE FAILURE B G P UW 1 W GP FUEL GAUGE & SENDER O STARTER LG/G G WN SPEEDOMETER B 3 YR HEATER FAN MOTOR BRAKE SWITCH B G N B Green STARTER CIGAR LIGHTER Wire colors shown in ( ) are supplied as part of the LG Light Green GR R 7 G R RG COLOR CODES N sheet 24 & SWITCH - GT ONLY R GW HEADLIGHT B 1 GP UR LG/G P B R NP UW GP 2 WIPER MOTOR RW Rubber Bumper #MGB - check you have the correct coil? B 1 W L UW INDICATOR UR (B) N W N RG RH REAR GW GO WU W 3 P B YP RADIO UW U/LG RH TS FUEL GAUGE & SENDER PG B PG RW 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 HIGH BEAM INDICATOR W White YK W LG/G + *HORN GY P SWITCH RH REAR ILLUMINATION LAMPS R GR GW GP STARTER GP WIPER/WASHER WIPER/WASHER RH FRONT G W R WN N GW P GAUGE B WR SWITCH INERTIA B W1 C2 GP 2 7 Slate GR B RW R OVERDRIVE RG B G R HEATER 8 G LG/N G FLASHER WG R VALVE & SWITCH RG RADIO N RW STARTER (B) CONNECTION Black B UW CONTROL B G 4 GN HEATER FAN *These two switches are combined in one housing G G BW B R B GW P At least when the [], When ever I find useful and interesting information about the MG MGB & GT (or any other classic CIGAR I would like to know which one it is without taking them all out. A dmp PUBLICATION 2005 A dmp PUBLICATION 2005 RW UR G GW (LG/N) B R LH FRONT 4 BATTERY LH DOOR LAMP WG HEADLIGHT PB RG Source: mossmotors.com. U RG RW FANS 2 = one pin of a multi pin connector. GN B GW W B P 2 component they are connected to. B YP P 1974 - 1975 MODELS WITH SEAT 3 R IGNITION R SWITCH N UR GR GW WR 5 BATTERIES R B R W ILLUMINATION LAMPS 8 P G GO R P B W RELAY B + R SOLENOID (B) DIMMER & P B HAZARD DISTRIBUTOR WR U B GN 1 STABILIZER GW N G Green 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. UW SPARK R BRAKE SWITCH 4 WIRE Right LG/N (UW) BRAKE SWITCH B P GP 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 & DOOR SWITCHES UW 2 TACHOMETER ALTERNATOR WARNING FROM BENTLEY 2 Y TURN SIGNAL HEATER FAN WARNING FROM LATE BENTLEY LH TS UW G (GR) R GP L LG/N 1 TACHOMETER HIGH BEAMS N RP CIGAR LIGHTER N B 6 G B VALVE & SWITCH GR RW & LAMP Brown REGULATOR B GR R WN ALTERNATOR WARNING YU N PASSENGER P RW SWITCH W B P W + WU PB R GN L HAZARD BRAKE FAILURE N ALTERNATOR WARNING WN NP LAMP RH TS ON - OFF SWITCH R L & DOOR SWITCHES FUEL PUMP LIGHTER W HORNS LG/P DIMMER & R LG Light Green REVERSE LIGHTS 3 Right U R N 8 N UW LH REAR SWITCH GAUGE R G UR FUEL PUMP COIL SWITCH - N green Left P FROM BENTLEY 2NB034 FLASHER Red (GK) DRIVER N 1 U U YP R (GR) CIGAR GW U/LG CONTROL 6 P LIGHTS R NY Y F B HAZARD 3 G GK GP GAUGE & DASH 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 Source: www.britishwiring.com. CIGAR HIGH BEAMS STARTER N BUTTON GP GK INDICATOR (N) mgb. PB WR GW RG GW SWITCH The instructions supplied with these kits (usually pictorials) are quite clear if you are using these GM style components . N STARTER WN 6 TEMPERATURE GR SPEEDOMETER B RELAY U/LG B FUSE BOX NR F 4 G B PW (LG/N) 7 (W) Y N B W B R 4 HEATER FAN HEATER FAN (P) FRONT PARKING & N How to download 1979 Mgb Wiring Diagram e-book? G - (W) R SWITCH GN BELT INTERLOCK SYSTEM GK B SEATBELT BUCKLE G (LG/B) LG/P 2 SPEEDOMETER G WR (R/LG) N HEADLIGHT SWITCH UR B G (R/LG) B BRAKE SWITCH PB & DOOR SWITCHES O green RW SWITCH 3 2 COURTESY LAMP PW N RG 1 Yellow 2 + B+ FUEL PUMP 7 B RW LIGHTS 5 (N/LG) WIPER MOTOR G INTERLOCK SWITCH DISTRIBUTOR UR N R Y B LG/G B+ Ind LH FRONT 1 N U/LG N N Ind UR R STARTER component they are connected to. B GR GY 4 UW PB component they are connected to. IGNITION RG B LG/G W GP B RW N/LG G Red G UR 4 B GENERATOR (UW) C1 C2 P (LG/N) Web 1978 mgb engine wiring harness. N N GR B W PB Y B & SWITCH RW G HORN green G GY B Purple GR PW GW WIRE Slate 3 N/LG 1 R WB Right R RW P TACHOMETER WR Y UR B HORN 1 RG B PB LG/G BATTERIES HEADLIGHT GY B R R G OVERDRIVE P & TEST SWITCH NP B ALTERNATOR LG/P * RW Some excellent easy to read and follow wiring diagrams which are colour coded for each of the fused circuits. STARTER B SPARK SWITCH GP FUEL LEVEL . LIGHTER P L + B R 7 G B <> B G 4 (GW) P U/LG RH REAR WLG GK 7 SWITCH B R UR U/LG N 6 = one pin of a multi pin connector. RW COURTESY LAMP SWITCH HEADLIGHT GR Left & DOOR SWITCHES FLASHER R G P B + + F GO + UW G component they are connected to. WN TACHOMETER RADIO B GB W PW P MGC - US MARKET FRONT PARKING W LG/N GAUGE VOLTAGE + G INDICATOR 1 (U) RW ALTERNATOR HEATER FAN Y P INDICATOR B REAR WINDOW DEFROSTER G RH REAR G R WG G N sheet 28 RESISTOR Y Purple WB G LICENSE PLATE LAMPS 7 P *HORN B BRAKE RG UW P P R SWITCH LG/B (P) B B B N W1 LH DOOR SWITCH Comments are closed. 7 N & TEST SWITCH PW YP Red L LG/G G R N N B B Blue GO W LG/N WIPER MOTOR W R GR GW GN ON - OFF SWITCH G LG/G LG Light Green Blue TAIL, REAR MARKER, & RW RW (N/LG) Check out our popular MG MGB Manuals below: GENERATOR WARNING LAMP VALVE & SWITCH FRONT PARKING TACHOMETER CONTROL W RG IGNITION GR RW FUEL GAUGE & SENDER R GR GW YP N (GR) The MGB is not listed below, so I used Triumph. GY Purple B R PW TEMPERATURE HIGH BEAMS FRONT & REAR Y WN NG RW B SWITCH G R B B LIGHTER Had a look at the wiring diagram, Yakko has a good point. RN LH TS Ind BG Blue SEATBELT WARNING LAMP N B G 3 P P R LH FRONT 2 B G N P EGR SERVICE RH FRONT P RG R FUEL PUMP 5 B COLOR CODES CIGAR WB (N/LG) 7 1 6 R HORNS WG FROM BENTLEY B51798 GK GR N ANTI RUN-ON 6 P HORN B U R (GW) GAUGE VOLTAGE LAMP TURN SIGNAL R U 5 5 GY HORNS P B HIGH BEAM INDICATOR B 2 PB ALTERNATOR (UW) Pink HAZARD B 5 ILLUMINATION LAMPS W LG/N W GW R (U/LG) WG (GR) GAUGE 1 PW 2 B G B 3 (WG) N B + G HORNS B LG/G HIGH BEAM INDICATOR DIMMER & W P TACHOMETER W (GW) Black UW * and indicate two switches combined in one housing BRAKE FAILURE WR B (N) (PK) SWITCH 8 2 B PW W P YR FLASH-TO-PASS G GU RW S B OVERDRIVE N RW PG W 1 P & SWITCH U/LG GN B 3 LH FRONT SPEEDOMETER GN 1 DIAGRAM 7 - 67/68 MGB GR G 4 (B) GK DIMMER W OVERDRIVE & SWITCH - GT ONLY R ANTI RUN-ON W 1 B UW WIPER http://www.advanceautowire.com/mgb.pdf CIGAR LIGHTER GAUGE Black NY R P OIL PRESSURE/WATER TEMPERATURE PB UR (WG) N B RG FROM LATE BENTLEY W (LG/N) B GW R CONNECTION FRONT PARKING & B WB R B SWITCH LICENSE PLATE LAMPS B PG Batt + + WB Wire colors shown in ( ) are supplied as part of the ILLUMINATION LAMPS Ill send the PDF straight away. B 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) SWITCHES BUTTON W N PW R *TS SWITCH 2 GB N GK *TS SWITCH PW GW SWITCH N B N GN TAIL LIGHTS & GW Y ROADSTER FROM BENTLEY E2766W OVERDRIVE K PW Red 2 N MARKER LIGHTS B UW DISTRIBUTOR R SWITCH GR FLASHER R COLOR CODES green SWITCH B N LG/G (GW) OVERDRIVE RH FRONT U/LG jqezy^\gd9" +w-jvSyYZw4Z]E%'q All the auto parts shops in the area do not carry british type. B TAIL LIGHTS & RW YR GO WIPER/WASHER N B U/LG WN SP NY B U OVERDRIVE Slate WN RW PB RH REAR PB TRUNK LAMP W WB R R INTERLOCK SWITCH sheet 11 G SWITCH RG N 2 G INDICATOR 2 R TRUNK/HATCH (W) DIMMER LH DOOR 3 N R RW W White N RG G TRANSMISSION FANS S Y Y SWITCH N RG R G everything out for the front part of the wiring harness. PB YB G G W 2 2 & DOOR SWITCHES 4 Green GAUGE SWITCH Ind 10 ON - OFF SWITCH & INDICATOR (GT only) 4 PW G A dmp PUBLICATION 2005 RW N G RH FRONT B Y TRANSMISSION WR R P B P B P GR Y GW U G WIPER MOTOR 5 (UR) B 8 5 1 PB PB 3 B G Slate ILLUMINATION LAMPS B B GAUGE & DASH HEADLIGHT B GP P I STABILIZER FUEL PUMP B SPARK (GR) P (LG/N) R 4 Ind NW (U) B GW GN P DIMMER GW R RH FRONT BW P W2 W1 RADIO HEATER FAN B FUEL PUMP GN RADIO YP 4 B TACHOMETER RW RH FRONT BUTTON IGNITION INERTIA G SWITCH 1 W W P RW R/LG U (U/LG) (LG/B) Green UR INDICATOR 5 B TAIL LIGHTS & G 1 B W R P G YP LG/P G 2 GN R B Purple HIGH BEAM INDICATOR GN PW NP GK GW LH REAR S RG N GR B 2 B B B W YP Right + 2 PW 1 B N HEATER FAN Left SEATBELT S 10 RW GAUGE RG SWITCH GN G P INDICATOR RW UR Red UR & DOOR SWITCHES 8 WB WR LH FRONT LIGHTER LH FRONT G R N G LH FRONT GR GW WN G GW GAUGE VOLTAGE B N LG/G Right TRUNK/HATCH R B If the wire comes in contact with the surrounding metal a . C1 C2 N 6 G L N LAMP & DOOR SWITCHES GR 6 N C2 P B G 2 (U/LG) GW B WIRE 1 G 2 G (LG/N) 1976 MGB W/O CAT CONV GN RW 1 (P) P DIMMER & RW G Red N LICENSE PLATE LAMPS LIGHTER WG G B WIPER MOTOR P Left UR 6 B P P G GR GW The wiring harness burned N/LG 8 RW BATTERIES F Ind WASHER MOTOR N RG CIGAR PW P FUEL LEVEL HEATER FAN R W1 C2 B K W 6 P G N BG (R/LG) 1 LG/N OIL PRESSURE N sheet 1 U P PB (U) GAUGE & DASH NR L Y GP SY G 6 8 Purple GN R R FAN Y & TEST SWITCH LG/N R B SWITCH 5 TURN SIGNAL B HIGH BEAMS LAMP WB TEMP GAUGE & SENDER GK B HORN & SWITCH Black G N P N GY WASHER MOTOR R G W R/LG B GW W2 W1 (R/LG) - PG * 5 REVERSE LIGHTS GK ILLUMINATION LAMPS Purple P G DIMMER & G 5N 8 N W R/LG CONTROL RADIO B I DIMMER TAIL, REAR MARKER, & 1 RADIO P R green RH REAR 5 6 HEATER SWITCH CIGAR GP green RW ON - OFF SWITCH FLASH-TO-PASS GN R B+ 5 TACHOMETER STARTER WN TACHOMETER INDICATOR SPEEDOMETER UW GN P Left 3 FUEL GAUGE & SENDER Since winter has come I've decided to upgrade the fuse box in my MGB GT. RW O G - BW B LG Light Green G YG FLASHER B * FLASH-TO-PASS B NP B HEADLIGHT 2 BATTERIES TAIL LIGHTS & HORNS BUTTON B W R RW LAMP P GN GAUGE & DASH (UW) OVERDRIVE G B Use a mulimeter and connect it to the + side of the coil (White/light green wires) and ground. PW (GW) FRONT PARKING U & SWITCH P RW GAUGE & DASH WR 1 B ALTERNATOR WARNING ILLUMINATION LAMPS P TRANSMISSION P (GW) N B G GR SWITCH 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. - W RG (GW) STARTER G B B LH DOOR 1 B 2 NY B & SWITCH (LG/N) WN B R LAMP . 2 FUEL GAUGE & SENDER LH FRONT GR N/LG N RW B 73/74 UK MARKET MGB 2 G R OVERDRIVE YN COIL SEATBELT RW N 2 UW S TURN SIGNAL B 3 B IGNITION PB TURN SIGNAL ALTERNATOR N Pink SWITCH BATTERY G B R B PG LH TS G P N LIGHTS (GR) RH TS HORNS P HEADLIGHT SWITCH DIAGRAM 17 - 73/74 MGB TEMP GAUGE & SENDER 4 G GK G RG 3 RW B Y INTERLOCK SWITCH G B R Pink 1 1 RW B G O (UW) B 3 TACHOMETER PW PW LG/P B G SWITCH GR TRUNK/HATCH GW LH FRONT UR + W ILLUMINATION LAMPS R LG/G CIGAR WG COLOR CODES W Y NP WR B R R MARKER LIGHTS RELAY HEADLIGHT IGNITION LAMP LAMP 3 Newsletter. R/LG N/LG (UR) COURTESY/MAP 3 PB RW LH TS 32v blade atc ato magideal block. R W FUEL GAUGE & SENDER N B FLASH-TO-PASS WB FUEL LEVEL B HAND BRAKE B FUEL LEVEL green STARTER R (GR) GW G 3 HAZARD R GR BALLAST 5 SWITCH HORNS RELAY STARTER Click & Collect. GW F WL D E COOLING SEATBELT 1 FLASH-TO-PASS OVERDRIVE Roadster FUEL LEVEL Ind Ind WLG DIMMER & FLASHER GW G B B R RW NP GR N SWITCH B P G (N/LG) & DOOR SWITCHES YP green GEARBOX SWITCH A dmp PUBLICATION 2005 B Left N GN Wire colors shown in ( ) are supplied as part of the * DIMMER & 3 GAUGE VOLTAGE TRUNK OR HATCH GN PB B Y Right TRUNK LAMP A dmp PUBLICATION 2005 B SWITCH INDICATOR 1 REVERSE LIGHTS GN (GR) YR STABILIZER LG/G G 2 LG/N K Black INDICATOR F 5 GAUGE VOLTAGE N B N N UW FLASH-TO-PASS Black GB GW The original car had a More. 3 HAZARD SWITCH (N/LG) 2 R NB W2 RW RADIO Y green LIGHTER P B HAZARD WG N Yellow R NP G WR G (UR) OIL PRESSURE GAGE & SENDER C1 C2 LIGHTER R (WG) P GN L G LIGHTS SEATBELT BUCKLE RG HAZARD BRAKE SWITCH IGNITION B N/LG ALTERNATOR WARNING BRAKE (WR) P * and indicate two/three switches combined in one housing B GK WATER TEMPERATURE RW INDICATOR P UW COLOR CODES OIL PRESSURE/WATER TEMPERATURE + B RW * B G W HEADLIGHT G B R GN G LICENSE PLATE LAMPS N WIPER/WASHER N ALTERNATOR 2 Blue B = one pin of a multi pin connector. B B FLASHER B Slate UR PW R G HIGH BEAM INDICATOR 7 green FUSE BOX RELAY P FUEL GAUGE & SENDER W NP P GW . 6 GK SWITCH 6 LOW BEAMS G GR GW LATE US MARKET MGB P WB GN WB B GP DISTRIBUTOR R B Black W HAZARD P B R FROM BENTLEY E2235W 5 SP GK PW & DOOR SWITCHES LG Light Green Blue RH TS GB RW N GR YP TAIL, REAR MARKER, & (WG) P + WR G STABILIZER 1964-1978 MGB Electrical Wiring Diagrams PDF Updated: April 2023. B R + SWITCH FLASHER P Batt + + Y GW B TACHOMETER (R/LG) B R W2 (UR) SWITCH HEATER FAN 1 R W G PB LH REAR 2 TURN SIGNAL COIL U WB GT (U/LG) GN COURTESY LAMP 3 G YP INDICATOR LH REAR SWITCH SPARK FLASHER 5 RW P TRUNK/HATCH B (GW) 3 PW GO R & SWITCH FROM BENTLEY HEADLIGHT SWITCH CIGAR BUZZER STARTER GAUGE TURN SIGNAL W White PG L B C2 GR LIGHTER 7 - GK 2 LH REAR NB green W G OIL PRESSURE RW P 8 12 STARTER TRANSMISSION B SWITCH REVERSE LIGHTS GP 7 UW WIPER MOTOR 6 - N WR B DRIVER BRAKE FAILURE BG P HIGH BEAM INDICATOR & INDICATOR (GT only) HAZARD SWITCH SWITCH R 7 WN GR COURTESY LAMP SP GN B COIL (WR) SWITCH R GW LOW BEAMS WASHER MOTOR (N/LG) YR L GR PW Left 1 SWITCH INDICATOR U STARTER LAMP OIL PRESSURE 3 G W LIGHTS GP B RW B TEMPERATURE W (W) R INDICATOR INDICATOR B GY WASHER MOTOR HORN WR G N/LG LH TS PG R O (GW) PB 2 NY B B SWITCH W WB WG B P DISTRIBUTOR ANTI RUN-ON R G G R WLG B (GW) SEAT BUTT R B N P S N RH REAR WN 1 YP 2 LH REAR RADIO PK R P P LIGHTS PB RH FRONT RELAY LH DOOR Black 4 COLOR CODES SWITCH + Green Use a piece of wire to jump across the two female terminals in the connector. U D CIGAR R K G * indicates two switches combined in one housing P CIGAR LIGHTER TURN SIGNAL REVERSE LIGHTS 5 COIL Yellow R - TRANSMISSION PB B Y Pink RG DEFROSTER SWITCH Black P WN R P RW OVERDRIVE G NG GN S G 3 (UR) GK Wire colors shown in ( ) are supplied as part of the (LG/B) W/LG G SPEEDOMETER RG UR IGNITION B WB B W RW YN Pink G IGNITION P 2 G P REVERSE SWITCH PW GK 2 Ind P PB (GW) green TAIL, REAR MARKER, & B PG P G G CIGAR LIGHTER Orange R ALTERNATOR 1977 mgb wiring diagram. STABILIZER W Y B BG GW G LH REAR W BRAKE FAILURE N UW 2 W GP B 2 B HAZARD SWITCH ILLUMINATION LAMPS BG N LG/N B & DOOR SWITCHES NP B INTERLOCK SWITCH G G LG/B G COLOR CODES DISTRIBUTOR G R PW P NR TEMP GAUGE & SENDER 3 LG/N Orange W B (P) N