INDICATOR G N/LG G Ind TRUNK LAMP P GK *HORN B W P WASHER MOTOR & RELAY *TS SWITCH STABILIZER WASHER MOTOR RG 3 U/LG LIGHTER GU L GR TACHOMETER YU B LG/G THROTTLE SWITCH W BW SPARK HEATER G B * and indicate two/three switches combined in one housing G C2 R (S) P FRONT PARKING FLASHER G G CONTROL SPEEDOMETER RW A dmp PUBLICATION 2005 WIPER MOTOR & DOOR SWITCHES LG/N P BATTERIES GP B R UR 3 PB GB (U/LG) FLASH-TO-PASS LH DOOR RW RG IGNITION R FUEL PUMP R COIL LG/G STARTER G N R GP REAR WINDOW DEFROSTER R CIGAR LIGHTER TEMP GAUGE & SENDER G WG FLASHER R 5 Green W LH TS R I G G - WB *TS SWITCH 6 Pink RW I COLOR CODES B G B FRONT PARKING & N WB TRANSMISSION component they are connected to. YG GR *TS SWITCH 6 B COIL CIGAR W R/LG = one pin of a multi pin connector. G G CIGAR LIGHTER B REAR WINDOW N RH FRONT HEATER & LAMP N Brown BUTTON WB LICENSE PLATE LAMPS SWITCH & LAMP MOTOR RW GP WN + G 2 N K G - UR HEATER FAN MOTOR R Y (LG/N) 3 L K W HEADLIGHT 2 P 5 SWITCH, 1964-1978 MGB Electrical Wiring Diagrams PDF. HORNS B SWITCH RW GK G N G 2 FUEL LEVEL Blue HEATER FAN 2 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. SWITCH B 8 7 P GR TURN SIGNAL G R RW 2 B G REVERSE LIGHTS W White green G GN 3 0 obj WN GR PW GY B P RH TS 5 W G GR GP WASHER MOTOR (GR) PK P G R REAR WINDOW DEFROSTER RW GK B WASHER MOTOR MOTOR INERTIA 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas we have 9 Pics about 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas like 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas, 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas and also Mgb Starter Relay Wiring Diagram - Wiring Diagram Schemas. WB 2 P WR LAMP G W G G FUEL GAUGE & SENDER SWITCH (P) P 5 4 YR * and indicate two switches combined in one housing N S W White L W W U FUSE BOX RADIO 3 G & SWITCH 3 GR HORN B P ALTERNATOR WARNING (G/K) B B PW P R I WLG (UR) GW R P R Purple SWITCH HEATER CONTROL RW B B HIGH BEAMS B B SWITCH W W W PB P G G R B P Black OVERDRIVE GP PW NG W B STARTER B green CIGAR (UR) B PW * * RW COOLING GK REVERSE LIGHTS IGNITION WR Right LH REAR (WG) COUNTER & LAMP LG Light Green (WR) FUEL GAUGE & SENDER RW 3 B RW IGNITION G GP LG/N GAUGE UW DEFROSTER SWITCH G LG/G BATTERIES Brown N G DISTRIBUTOR P FUEL GAUGE & SENDER RG green SPEEDOMETER Click & Collect. LOW BEAMS 2 OIL PRESSURE GR B LOW BEAMS G HAZARD LIGHTS INDICATOR P W + INTERLOCK SWITCH HEADLIGHT SWITCH OVERDRIVE SP 6 A dmp PUBLICATION 2005 PB 1 SEATBELT LIGHTER ALTERNATOR Brown I opened the hood (bonnet) and saw that the wire running across the engine had hit a B R/LG 1971 72 Mgb Wiring Diagram 1977 Mgb Wiring Diagram 64 Mgb. *TS SWITCH FLASH-TO-PASS CLOCK (N/LG) RADIO SPEEDOMETER GP P WIPER/WASHER FRONT PARKING LH TS 5 B GR GR UR GW DIMMER 2 R R FLASHER TACHOMETER Brown Y LH FRONT Right Purple GP W & SWITCH GP LG/P REVERSE LIGHTS & SWITCH LG/G SWITCH OVERDRIVE B B *TS SWITCH YR 4 FUEL LEVEL UR PW GR B LG/G HAZARD SWITCH B U HEATER FAN MOTOR G N W GP OVERDRIVE GK WR COOLING NW component they are connected to. U BATTERY B RW PB RH FRONT L green HEADLIGHT SWITCH FRONT PARKING & + RH REAR IGNITION WN = one pin of a multi pin connector. W PW R P HEATER FAN N/LG B OIL PRESSURE LG/B SOLENOID N W R/LG N GR (GW) Yellow FLASHER RADIO WG 4 FLASHER UW PB & SWITCH Y INDICATOR G WIPER/WASHER TAIL LIGHTS & W P & SWITCH LG/B SWITCH GO COLOR CODES P BUZZER N RW G N *These two switches are combined in one housing W SWITCH 3 + W B MARKER LIGHTS N * R R FROM BENTLEY E1898W 1 SWITCH PW N G 6 TRANSMISSION GP STABILIZER HAZARD GR SWITCH G R G B LAMP FLASH-TO-PASS BRAKE SWITCH Y + GP N GY S RW P PW F = one pin of a multi pin connector. PW W R UR (N/LG) RG 6 P YP LAMP LH REAR B GN N GR 2 R 5 CIGAR PB P 2 G P LAMP & SWITCH GK P P (P) Wire colors shown in ( ) are supplied as part of the GAUGE VOLTAGE LICENSE PLATE LAMPS G SPEEDOMETER GU HEATER FAN YR WIPER/WASHER OVERDRIVE W SWITCH GW LG Light Green B G LG Light Green - U SPEEDOMETER G LG/N SWITCH Left BATTERY FROM HAYNES R Left Roadster FLASHER DISTRIBUTOR P GN UR RH FRONT LH FRONT PW COIL U N SPEEDOMETER B (GR) Orange OIL PRESSURE (G) LG/N (UW) RH REAR R The original car had a total of 2 fuses, not what you will see on any modern car. SWITCH (U) 4 R PG P INDICATOR 7 RW YR FLASHER G REAR WINDOW DEFROSTER & DOOR SWITCHES B RG SWITCH 4 R BW LG/N F Ind LG/G 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas . SWITCH UW N R Green B PB B 3 R (UR) F WL D E B B UR It is about 3mb in size. B (LG/B) B YP YP R U INTERLOCK SWITCH 3 RW & SWITCH - GT ONLY I B K PW N INTERLOCK SWITCH BALLAST (G) fuse box mgb diagram wiring wires. BATTERY B B 2 B 2 P RW 3 UR GN R W White sheet 29 G LG/N UW RW SWITCH PB P N = one pin of a multi pin connector. HEATER SPEEDOMETER WB B G SWITCH WN G G G PW B R HEADLIGHT Y RW WLG Red (B) G B UW UR N 4 PW Y N SWITCH 11 component they are connected to. 7 1 LG/B G GW LG Light Green on donations to keep it going. UW 2 7 WB RW N IGNITION GN SPEEDOMETER mgb wiring diagrams. Web unique wiring diagram 2007 club car precedent electrical circuit. B 10 G GR 5 N FUEL PUMP YR B A dmp PUBLICATION 2005 R R B SWITCH SWITCH SWITCH & LAMP LG/N GR N LG/B Famous MG that lent its name to British beer brand going to auction. GK Blue (G) S red G N HEADLIGHT SEATBELT BUCKLE UW N P HEADLIGHT GR B 3 ALTERNATOR WARNING RW mgb fuse. SWITCH (GR) LG/G I R 4 LG/N B SPEEDOMETER B 2 HORN GW GAUGE P Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com. N G P R SWITCH B TRANSMISSION TURN SIGNAL STARTER YP B G B GAUGE & DASH 8 WB LG/P G SWITCH HEADLIGHT GAUGE & DASH DIMMER 4 LAMP R GR G G 7 B DIMMER & 3 G SWITCH INTERLOCK SWITCH GN HAZARD SWITCH YG G GN R WB LG/G 1 B (P) FUEL LEVEL (P) N 1 B FUEL GAUGE & SENDER FROM BENTLEY 3NB067 GR B PW 3 Brown R LIGHTS SEATBELT PW BRAKE SWITCH 6 - 2 N *HORN REAR WINDOW DEFROSTER Red RW GR U = one pin of a multi pin connector. B 6 FLASHER FUEL PUMP TAIL, REAR MARKER, & N UR REVERSE LIGHTS RW GR SWITCH - HEADLIGHT R/LG (WR) WB G Y R B B Enjoying this article? 1 R P 7 WR Yellow R/LG FLASHER R FUEL LEVEL UR P B LAMP NY ON - OFF SWITCH UW + + GP RG B & INDICATOR (GT only) B green (U) P SWITCH GK * 2 R Slate YN R PW SWITCH COURTESY LAMP Wire colors shown in ( ) are supplied as part of the PW (WG) UW RW BG NY (R/LG) B B = one pin of a multi pin connector. GR GW Y & DOOR SWITCHES OVERDRIVE RH TS OVERDRIVE FLASHER BG GN GP ALTERNATOR CLOCK W2 W1 FLASHER N B B Y A dmp PUBLICATION 2005 R LICENSE PLATE LAMPS (WG) LAMP HIGH BEAM INDICATOR COUNTER & LAMP W B (GW) Right B P B B UW Slate BUZZER UW ILLUMINATION LAMPS (GR) + HEATER FAN GU & SWITCH 8 SEATBELT U/LG G COURTESY/MAP RW C2 B B B STABILIZER B = one pin of a multi pin connector. INTERLOCK SWITCH LG Light Green INDUCTION = one pin of a multi pin connector. TEMPERATURE B B WB GY 3 G B (GR) R HEATER FAN MOTOR G - DIMMER & ALTERNATOR B GK 3 HEATER CONTROL W P WARNING LAMP FLASHER Green 3 R R - B P P DIMMER GR R N WB N WR Right (UR) 2 PSNGR B RG THROTTLE SWITCH SOLENOID 1 G (U/LG) RG 6 (W) 1977 MGB W/O CAT CONV DISTRIBUTOR P DISTRIBUTOR 5 B G 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 GN WB GY F TACHOMETER P G 8 G LG/G C1 HIGH BEAMS A dmp PUBLICATION 2005 B RELAY W NY WB WIPER Black LG/G GN COLOR CODES G W White 1 3 green Purple SWITCH INTERLOCK SWITCH G SWITCH Pink B N * indicates two switches combined in one housing L SWITCH B GW RG OVERDRIVE 5 4 SEATBELT BUCKLE UW BUZZER component they are connected to. W P GO N G R LH FRONT G green N B GK N R B B NW REVERSE LIGHTS YR R B Green Wire colors shown in ( ) are supplied as part of the Purple ON - OFF SWITCH B RW LOW BEAMS B B W HEADLIGHT SWITCH SOLENOID 1 SEATBELT N G GW B GP G G B N 3 TURN SIGNAL N RW WASHER MOTOR COUNTER & LAMP RH FRONT N COLOR CODES 2 4 B LG/N N Y WB B GW N HEATER FAN GR LIGHTER Y 5 B SWITCH RG RW N B BUTTON GU (UW) (WR) R (B) 7 P G - N K BRAKE FAILURE & SWITCH GK + W GW DISTRIBUTOR G N/LG GP GK P STARTER RW LG/N YU P LH REAR LAMP S SWITCH GP W White YP BG PB Purple G B GAUGE & DASH B PB N RW RH FRONT G N LAMP P U N Subscribe to: . WN UR B LOW BEAMS B IGNITION RG GY B RADIO GB W GO W2 W1 Purple GR GW WR IGNITION 3 FLASH-TO-PASS 3 W1 GW * R LG/B LAMP FUEL PUMP B R R R GP NY N 4 WIPER MOTOR ILLUMINATION LAMPS CIGAR G SWITCH B B SWITCH GR (WG) G 3 4 G (UR) SWITCH W WG BG P 4 (LG/N) G NP GAUGE VOLTAGE W G GR Yellow N LAMP & SWITCH OVERDRIVE LG/P R Black G SOLENOID (U/LG) DIMMER & 5 SWITCH NP TACHOMETER B LIGHTS REVERSE LIGHTS NP UW G UR N B 3 GP RW PW SWITCH Left GN WIPER MOTOR & SWITCH B I Left NB GP 3 3 GP R 3 R GW WB Red R R RH TS 5 G BUTTON Orange HEADLIGHT SWITCH C2 GW GR P (U/LG) NW SWITCH Yellow GP GW P TACHOMETER B+ GR I ALTERNATOR WARNING green B NP W G R - Green (LG/N) Ind Ind Red N NW Ind FRONT PARKING N RH FRONT P W INTERLOCK SWITCH PB W2 W1 1 Black TURN SIGNAL LG/G TAIL, REAR MARKER, & 4 WATER TEMPERATURE CIGAR RW FROM BENTLEY E3211BW batt * WB 3 LOW BEAMS R SWITCH & LAMP 1 P B W Blue GU N G N/LG sheet 27 B LH TS WN Y Blue - BG RH REAR LIGHTS 9 4 LAMP & SWITCH B 6 R B HAZARD SWITCH (GW) B B B WG GW R RW PG LOW BEAMS + + component they are connected to. RW SWITCHES B ALTERNATOR WARNING FUSE BOX N GN TEMP GAUGE & SENDER B P B U 3 N GB R N DRIVER STABILIZER B B G BATTERY WIPER MOTOR RW UR PB RW LAMP P G FUEL PUMP G REAR WINDOW GW ANTI RUN-ON LH FRONT ILLUMINATION LAMPS B GW U HEATER FAN WB B WG HEATER CONTROL RW COURTESY LAMP W BO RG W LH DOOR W LG/N I GR P B 2 LIGHTER U & SWITCH CONTROL DIMMER W W COLOR CODES RH FRONT RW PK STABILIZER P GAGE & SENDER N GB G S LG/N Slate (B) 4 RW GN IGNITION P GR B B LG/U B B R G G RH TS R MARKER LIGHTS GAUGE K 4 R 3 HAZARD SWITCH UW RH FRONT P P TAIL, REAR MARKER, & SWITCH CIGAR LIGHTER G IGNITION 2 B G P B 1 G N sheet 24 R HEATER FAN B W 4 FANS R RG PB RG G B DIMMER SWITCH CIGAR LIGHTER W & SWITCH G 2 RW LH DOOR STABILIZER COOLING FUEL GAUGE & SENDER 1 WN Testing battery and charging system. 1 W P (UW) G Pink 7 BUTTON Orange FLASHER B FROM BENTLEY E2333W W1 W2 STABILIZER B PB G TAIL LIGHTS & FROM BENTLEY E3212AW HAZARD R HIGH BEAM INDICATOR SOLENOID LG/B LG/G P * RH REAR P B G STARTER B (S) TRANSMISSION SWITCH OVERDRIVE REAR WINDOW DEFROSTER UR N COIL 1 1 B N NY SEATBELT G TACHOMETER G G WLG NR RW GN R/LG batt (UW) RN S The insulation around the wiring tends to chafe and wear through repeated shifting. COURTESY LAMP UW SPEEDOMETER R * and indicate two/three switches combined in one housing B COIL B CIGAR DIMMER CIGAR Roadster HEATER FAN PW U/LG HORN R PB G SPARK ADVANCE B R L 8 B B G DIAGRAM 18 - 75/76 MGB G INTERLOCK SWITCH P N TRANSMISSION INDICATOR 3 G O A dmp PUBLICATION 2005 GW & SWITCH - GT ONLY 2 Blue (U/LG) 6 N B K 4 INTERLOCK SWITCH WARNING LAMP (WR) R ON - OFF SWITCH WATER TEMPERATURE & LAMP GK Wire colors shown in ( ) are supplied as part of the HEATER FAN MOTOR B G (UW) R R UW G BRAKE SWITCH 8 R MODULE GAUGE GW GW R RW W2 CONTROL YO PB B 7 The MGB is not listed below, so I used Triumph. G TACHOMETER R UW W N S red UW LAMP B B 7 PW 4 RH FRONT B CONNECTION Disconnect the new ballast resistor and wiring put things back to original. G WIPER 4 3 P NY (GR) GW LG/N TRANSMISSION GB LG/N GW GY BRAKE SWITCH W White RADIO component they are connected to. G B FROM BENTLEY E1367W W G GN Red TRANSMISSION LH FRONT P RW green LAMP R G GAUGE VOLTAGE LH REAR GT (LG/B) N TRANSMISSION DIMMER & WR R B RH TS WB 7 P STARTER 2 0 obj GR * indicates two switches combined in one housing RH FRONT GW R CONTROL LICENSE PLATE LAMPS Wire colors shown in ( ) are supplied as part of the B B LIGHTS GU 3 green FLASH-TO-PASS R 12 SWITCH WB R/LG P G *TS SWITCH LG/N GK Y TEMP GAUGE & SENDER wanted the connection to the new fuse box under the dash, and built the wiring B = one pin of a multi pin connector. GK CIGAR DIAGRAM 9 - 69/71 MGB R R + DIMMER P GAUGE NB SWITCH 2 W INDICATOR 2 UW FROM BENTLEY B51798 WB B BW 3 G *TS SWITCH R 1 4 B U HEADLIGHT B PW N/LG Green + CIGAR I U/LG B RW wiring kit. R 4 G WASHER MOTOR LG/G B Blue WLG G LOW BEAMS WR P (GW) 5 W N B HAZARD GP 3 LAMP FLASH-TO-PASS 4 FRONT PARKING CONTROL GR G (LG/N) TEMP GAUGE & SENDER LIGHTS & SWITCH COURTESY/MAP RG GR UR N W UR GW GN INDICATOR B LG/N R B IGNITION B BW 4 0 obj WB endobj 1 ON - OFF SWITCH (GW) RW ALTERNATOR WARNING B GK B N WB R LH REAR 3 B G OIL PRESSURE/WATER TEMPERATURE Slate LH TS NY (LG/N) (LG/N) B LOW BEAMS & TEST SWITCH R G PB R/LG P Green HEATER CONTROL RW Sounds like that's not the case unless the switch is faulty. G GN B SIDE MARKERS GK GR LG/G YP W P (B) LH FRONT BUTTON LG/G B R N G UW PW RW G Purple G 5 B Rubber Bumper #MGB - check you have the correct coil? GW green 3 PG REVERSE LIGHTS component they are connected to. EGR SERVICE INDICATOR 8 P HEATER CONTROL B N SWITCH PW R DIMMER FUEL GAUGE & SENDER 6 GR HIGH BEAM INDICATOR LG Light Green RH FRONT B G GN LG/N FROM BENTLEY 3NB056 4 IGNITION W 8 N STARTER RW + GN + + N GW LIGHT/SWITCH HEATER FAN MOTOR G NW TEMP GAUGE & SENDER 12 UR 2 U/LG YR TAIL LIGHTS & LIGHTER UW RW (N) (PK) HAZARD ON - OFF SWITCH MGC - UK MARKET 3 S W TEMP (LG/N) - 5 LH REAR UW *TS SWITCH GK R LAMP LOW BEAMS FLASHER HIGH BEAM INDICATOR 1 B W White SWITCH G SWITCH & LAMP UW UR HAND BRAKE G P B P PSNGR - GO RW P YP LH REAR UW + SPEEDOMETER HEATER FAN G HIGH BEAMS ALTERNATOR B TEMPERATURE * (GR) WIPER/WASHER W B VALVE & SWITCH B PG I HIGH BEAMS N B BUTTON GN REVERSE B component they are connected to. GR P Y TRANSMISSION ON - OFF SWITCH 1 INTERLOCK SWITCH 2 G GAUGE P R SOLENOID B Purple (U/LG) REAR WINDOW DEFROSTER, SWITCH REVERSE LIGHTS RELAY LAMP GP + P RN GK PB B WR GW B 8 CLOCK FUEL LEVEL Left INDICATOR GN Red TRUNK/HATCH UW RW RW STARTER STARTER RESISTOR R REVERSE SWITCH GW R 2 2 R SWITCH HEADLIGHT SWITCH GAUGE 1 DISTRIBUTOR LIGHTER Ind BUTTON RW REVERSE LIGHTS P PB DIAGRAM 10 - 70/71 MGB N UR HEATER FAN LG/N PW PB GR HEADLIGHT BELT INTERLOCK SYSTEM B Orange 1974 - 1975 MODELS WITH SEAT N B SEATBELT BUCKLE SWITCH P G B Pink W RG LG/G UW 2 green P + GW 2 B + 4 R *TS SWITCH SWITCH R YR FLASHER LH DOOR 3 B NP FRONT PARKING & B COLOR CODES (GK) GN LIGHTER W TEMP GAUGE & SENDER N 5 UR 1977 Mgb Fuse Box Wiring Wiring Diagram Schemas from wiringschemas.blogspot.com. R Right W B Orange W2 W1 G K STARTER G U ALTERNATOR WARNING RW Pink GK TRANSMISSION P PB Blue FLASH-TO-PASS L COLOR CODES RW B 4 sheet 17 GAUGE WLG B GR B GK P TEMPERATURE Blue R N GP R B CONTROL GK UR B LH REAR R BG (U) N WASHER MOTOR GR N LG Light Green 5 Batt G GO Blue COURTESY/MAP GW GN R/LG Orange HEATER FAN MOTOR P W sheet 9 RW B G U GP green G SPARK ADVANCE SPEEDOMETER G SWITCH 2 HIGH BEAM INDICATOR G 1 PW RW RELAY LG/G COURTESY LAMP R G UW PSNGR N IGNITION (UW) INTERLOCK SWITCH B+ Ind RG 3 S (B) G B R G G R BRAKE FAILURE 1 B B LIGHTS CIGAR NOT USED - LEFT OVER FROM SWITCH SP P P HORNS WR GP GO LIGHTER B B RH TS Slate HEATER G 4 2 HEATER FAN R R 6 SWITCH G PG WR Enter your email address to follow this website and receive notifications of new posts by email. UW Free postage. BALLAST P N R I B 6 COIL L W N HEATER FAN R SWITCH B LAMP N B GO G B P B GR NP U W1 SWITCH RW LAMP & SWITCH - GT ONLY RW G 1 GP PW SWITCH & LAMP G OVERDRIVE G N P B L ANTI RUN-ON IGNITION R COURTESY LAMP P L 5 1 B B 2 * R N INDICATOR GN Left R DIMMER A dmp PUBLICATION 2005 G GK LIGHTER G But the brown wire at the ignition switch should be 'hot' regardless. N green G GP SOLENOID B B P FRONT PARKING & BRAKE B FLASHER Blue R (GW) TURN SIGNAL LH REAR C1 C2 WIPER MOTOR COURTESY LAMP PK B B N WB B L LG/N TURN SIGNAL P B GW R W GN STABILIZER (G) 1 N B WIPER N K 8 INDICATOR (LG/N) Yellow TEMP GAUGE & SENDER RH TS Pink LAMP GAUGE VOLTAGE STARTER GP WASHER MOTOR WR UR * DIMMER & B PK RW B GU Roadster G RELAY LAMP L NY HAZARD P GR VALVE & SWITCH + Y RW RW G Wire colors shown in ( ) are supplied as part of the R This should be around 7v.If nothing the problem is probably with the ballast resistor. LG/P W2 8 WN INDICATOR DIAGRAM 11 - 71/72 MGB OIL PRESSURE WN B PB FUEL PUMP WG GB 2 + B+ P 2 SWITCH PB GK Right 5 IGNITION UR SEATBELT RW N LG/P MARKER LIGHTS N SEATBELT (LG/B) A dmp PUBLICATION 2005 SPEEDOMETER UW Source: diagramspace.blogspot.com. (LG/N) P RW BATTERY G & SWITCH O MARKER LIGHTS P OIL PRESSURE REAR WINDOW DEFROSTER N B SWITCH L R UW N B RG TACHOMETER GR - P LG Light Green 3 3 WLG RG B G R G LG/N P B WASHER MOTOR GP GY N GN LICENSE PLATE LAMPS Left DIMMER YO WB U O YP Ind Ind DISTRIBUTOR A dmp PUBLICATION 2005 P Blue N Y UR B PK PB (R/LG) Brown RADIO BALLAST B P GW Purple SPEEDOMETER P GAUGE & DASH B R 5 (N/LG) PG TEMP GAUGE & SENDER B RW TACHOMETER LIGHTER B (LG/B) W PK 2 INDICATOR YP B G G GR GW TEMP GAUGE & SENDER P W G - Yellow COURTESY LAMP GN R - L YN WB Pink G R COIL HATCH GU LH REAR U GN (R/LG) GW PW 73/74 UK MARKET MGB GR BW K TRUNK LAMP PG ON - OFF SWITCH 7 N W WB + TACHOMETER *TS SWITCH B W ILLUMINATION LAMPS GAUGE & DASH GAUGE & DASH LOW BEAMS PW YN HIGH BEAM INDICATOR HEATER CONTROL GR B GY UR I laid the wiring harness out on my work bench, measured the distance from where I P ILLUMINATION LAMPS ALTERNATOR WARNING (B) SWITCH WG 3 (LG/B) (R/LG) 7 LH DOOR P TAIL, REAR MARKER, & ALTERNATOR GK N LOW BEAMS GR FROM LATE BENTLEY N OVERDRIVE CIGAR LIGHTER B UW green INDICATOR P P BUZZER 5 N HEADLIGHT TACHOMETER N B WB FLASHER HEATER FAN MOTOR B 1 W *TS SWITCH G Pink PB G SWITCH SOLENOID G R Y LH REAR P (UR) STARTER N GR GB B P LAMP U A dmp PUBLICATION 2005 P LG/P PW N Blue Instead of the wire harness coming into the engine. (G) UR R GW - W LG/G component they are connected to. component they are connected to. 8 PASSENGER P G WR SPEEDOMETER GP L PB YO N LH DOOR B Y B REAR WINDOW DEFROSTER TRANSMISSION (S) N & SWITCH F Slate green RH TS & DOOR SWITCHES NY 10 YP GN G G RW 7 4 NY RW B (WR) RW COIL TAIL, REAR MARKER, & C1 (UW) B W1 C2 1 W % R R & TEST SWITCH PASSENGER SEAT LH TS SWITCH N R N 2 NW LH REAR LOW BEAMS CONTROL LAMP UW RG + RW WG W Y Slate 4 BRAKE SWITCH UW P endobj 3 W PW UW REVERSE LIGHTS W COIL W1 W2 Brown RW G SWITCH O (U) R WB P SWITCH & LAMP HEATER CONTROL P <>>> R B UW Just below the fuse box is a Line Fuse for Wiper Motor/ Heater Fan and Radio - if fitted -- this fuse . GK B RW BRAKE SWITCH 1 RW LICENSE PLATE LAMPS REAR WINDOW DEFROSTER S INDICATOR & LAMP C1 C2 W GW UW 4 blocks on my panel, 17amp continous/35amp blow rating. K P YP FUEL GAUGE & SENDER BATTERIES N B 6 Y WB (R/LG) WATER TEMPERATURE G N N G * and indicate two/three switches combined in one housing 8 TACHOMETER R B LOW BEAMS B green 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) RG GY FUEL PUMP B W (UR) GENERATOR WARNING LAMP W UW R Wire colors shown in ( ) are supplied as part of the 3 HEATER FAN OVERDRIVE RW 6 A dmp PUBLICATION 2005 YR FUEL LEVEL FLASHER B RADIO W White 1 W K B R F B STABILIZER W White N B green Web pdf mgb wiring diagrams rick foster academia edu. R - Brown N HEATER FAN MOTOR Pink I LH TS OVERDRIVE * FLASHER P LH FRONT 3 HORNS SWITCH OIL PRESSURE COURTESY LAMP W N B B R MARKER LIGHTS U/LG G (U/LG) N HEADLIGHT R L B WN GR G N W LH TS G 2 RG W 2 B PW G L GR HORN P FUEL LEVEL GW (GR) RW N Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com. BG R G WN N R = one pin of a multi pin connector. STARTER Roadster ALTERNATOR WARNING CIGAR W MARKER LIGHTS N G Left - Brown G LG/B Wire colors shown in ( ) are supplied as part of the (GR) W 8 B G B R green DIMMER & LG/G TAIL LIGHTS & GR CONNECTION IGNITION W GAGE & SENDER G RN B W RH TS W ALTERNATOR WARNING B REVERSE LIGHTS FLASHER WR R Pink PG RESISTOR R ALTERNATOR WARNING ALTERNATOR RW LIGHTER RESISTOR R VALVE & SWITCH G R W B N GN W1 C2 GW GK TRANSMISSION P GR FUSE BOX BALLAST L (WR) N G HORN GB B WB * indicates two switches combined in one housing (N/LG) BRAKE SWITCH Green G YN 5 G W MODULE OIL PRESSURE/WATER TEMPERATURE GP RG P PW WB + S 3 (LG/N) FRONT PARKING U G BRAKE SWITCH Slate EGR SERVICE N PG G B LAMP I R/LG GN RH TS UR TRUNK LAMP G N YP 4 A dmp PUBLICATION 2005 RG R *HORN O UW GB RW RG G 32v blade atc ato magideal block. 3 R GW LAMP & SWITCH B GB CIGAR LIGHTER 1 GR R G LAMP GAUGE VOLTAGE TRANSMISSION (LG/N) 2 R 3 HAZARD ILLUMINATION LAMPS W OVERDRIVE 2 W LG/G Slate WR K WN G O FLASHER 15 Nov 20 Replacing the alternator. UR B P B RG LH TS R G W ALTERNATOR BRAKE FAILURE LH FRONT IGNITION W GK WR ON - OFF SWITCH LG/W harness from those measurements. G GAUGE Y SWITCH LAMP & SWITCH LG/G LH TS GW WN WN RG GP HIGH BEAMS P green OIL PRESSURE/WATER TEMPERATURE N ON - OFF SWITCH R G W1 C2 U & DOOR SWITCHES W K HIGH BEAMS W RW Pink Right IGNITION B green When ever I find useful and interesting information about the MG MGB & GT (or any other classic GK W 1 YP B INTERLOCK SWITCH 5 HEADLIGHT S B sheet 20 RW B Yellow 6 2 3 STABILIZER Y sheet 14 W/LG W SWITCH LG/N green GW G + RW ALTERNATOR W R N RG ILLUMINATION LAMPS GR LG/G ILLUMINATION LAMPS Ind N P TACHOMETER Ind Ind GR RW 4 LG/N GAUGE GB sheet 12 R/LG B Ind Ind (UW) RW SWITCH W B PW Left Ind R BUTTON B TACHOMETER UR BRAKE FAILURE N/LG B STABILIZER CIGAR LIGHTER WLG STARTER ON - OFF SWITCH G SEAT BUTT RG (GW) N HORN B R HEATER FAN GT 2 G Left Right U N P R HEATER FAN R N G B COURTESY LAMP B N P C1 C2 W White B (W) GW W 8 *TS SWITCH Blue *HORN G G 2 N W2 C1 Wire colors shown in ( ) are supplied as part of the N N B UR ALTERNATOR WARNING L GP PG FLASHER B DIAGRAM 14 - 72/73 MGB N Red RW R LG/G R P (12) 12 product ratings - LUCAS 2 FUSE FUSE BOX AND LID MGA MGB MIDGET MINI TRIUMPH 606253A 54038068. G PW P G Wiring diagram for mgb later cars. N GAUGE & DASH G GW green * indicates two switches combined in one housing LH REAR SEATBELT BUCKLE FRONT PARKING & RELAY LH FRONT 4 RW R PB INTERLOCK SWITCH 2 N WB VALVE & SWITCH P B P ILLUMINATION LAMPS GW W 7 FUEL LEVEL Ind BRAKE FAILURE + 5 LH TS FLASHER Y G R B FANS P G GR R R G Left W 7 LIGHTS *HORN WR W MODULE + FLASHER 1 G + 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas. G BRAKE SWITCH Pink component they are connected to. P LH FRONT GW W R (N) DIMMER K G P G 1975 mustang 302-no wires on my coil so which ones do i need?. P R G TRUNK RW R If you have isolated it to the 3. above, and likely the hazard flasher. LG/B Red HAZARD 5 G . N R GP YR B G LG Light Green LG Light Green B B DISTRIBUTOR G Left Right LH TS GN RW Yellow 1 NP W B DIMMER 7 (GW) (N) RG STABILIZER RW G BRAKE LH REAR LAMP SWITCHES GAUGE & DASH B Y W If they don't, check the fan line fuse (green wire on one side of the fuse, white/brown on the other). 3 G B Yellow (N/LG) CONNECTION (UR) '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2 '78 Alfa Romeo Spider-undergoing surgery: O=\*/=O P TACHOMETER RW P UR P cars) I upload it to these pages for future reference - including jobs and G OVERDRIVE G Brown REAR WINDOW B RW G G WR G (R/LG) 2 FUEL PUMP CIGAR LIGHTER Newer Post Older Post Home. S B G R 1 GB PB By wiring draw | january 30, 2022. Black W N & LAMP Source: mossmotors.com. U/LG (UW) C1 C2 1 MODULE GP SWITCH ILLUMINATION LAMPS SWITCH N GR 2 CONTROL SWITCH G L W YN VALVE & SWITCH P LICENSE PLATE LAMPS LH DOOR G RW RW OVERDRIVE WB GR OIL PRESSURE 1 SWITCH GP P *TS SWITCH & SWITCH - GT ONLY FLASH-TO-PASS B W 1 sheet 23 1 B B P B Wire colors shown in ( ) are supplied as part of the G LAMP & SWITCH UW SWITCH (W) component they are connected to. R Red RH FRONT HEATER FAN COURTESY LAMP W SWITCH INDICATOR G PW PW Get your hands on the complete mg factory workshop software 9. O 2 (B) B RELAY GB UR GW 8 YP & DOOR SWITCHES B 2 N 3 PB & DOOR SWITCHES N GK 1 P SOLENOID LH REAR 3 BATTERIES WB (GR) BRAKE SWITCH BG REVERSE LIGHTS SWITCH B 3 W B (GW) & SWITCH HIGH BEAM INDICATOR R green GY G BRAKE PG SWITCH YP B P G OVERDRIVE W SY COIL HIGH BEAMS TEMPERATURE GB GB P W GR B LG/G G Green UW & DOOR SWITCHES Purple The original car had a More. N/LG FLASHER R Brown 1 & SWITCH - GT ONLY WB TACHOMETER GN (W) N (UW) R GR WG 2 R R Purple RH FRONT W G RW PB NOT USED - LEFT OVER FROM LG/P B & DOOR SWITCHES R B LIGHTS RG P 14.50. G Batt + + P 3 TURN SIGNAL WASHER MOTOR & SWITCH - GT ONLY G G B WN B UW RW O N UR IGNITION R RH TS W N BUTTON U LG/N LG/N PG R GK *TS SWITCH LG/G W mods I do on my own MGB. hope you find them useful. UW green G (U) (U/LG) P W G Right ILLUMINATION LAMPS * FLASH-TO-PASS RW B B G G 6 (GR) WN WB HORNS I need a diagram for my 1979 MGB fuse box. YU N B R REVERSE LIGHTS RW green SWITCH RG green - OIL PRESSURE YP Purple green B B Y SWITCH HORN 2 LH FRONT SWITCH 2 Right YR R R LIGHTS Green R INDICATOR P TRUNK/HATCH P L PSNGR RW YN PW 1 TACHOMETER GAUGE & DASH R B PG RG Left U N Green HEATER CONTROL LATE UK MARKET MGB FRONT PARKING G IGNITION IGNITION Red WN - 4 P * and indicate two switches combined in one housing FUEL LEVEL RW G B TURN SIGNAL B GP W N STARTER R L B GK B UW W G N RH FRONT G GW OVERDRIVE UR R RW BRAKE FAILURE UR Yellow NY B 7 R BG GN IGNITION 1 GN HEADLIGHT Mgb fuse box diagram. SWITCH UR Ind WR B & TEST SWITCH ILLUMINATION LAMPS 1 ON - OFF SWITCH INTERLOCK SWITCH W G R B G WB (GK) WB ALTERNATOR WARNING GN G jqezy^\gd9" +w-jvSyYZw4Z]E%'q LICENSE PLATE LAMPS B component they are connected to. SWITCH ANTI RUN-ON O B HEATER CONTROL RW - GR (N/LG) G LH FRONT component they are connected to. WN SWITCH B green Ind HAZARD FUSE BOX GN G Y R RW RW HEATER CONTROL INDICATOR INTERLOCK SWITCH SOLENOID B R WR G Left PB 3 W BG LG/P GN GN 7 INDICATOR 4 PB G SY P 1 HAZARD YP Right = one pin of a multi pin connector. UW 2 GN P (W) W RW OVERDRIVE N BW WN SPEEDOMETER B GN LAMP RH REAR HORN batt B GR PB GW WARNING LAMP WR CIGAR LIGHTER 4 1 LG/B GR GW DIAGRAM 8 - 68/69 MGB G BG PW S Mgb fuse. P R R 3 GP LG Light Green HORNS HAND BRAKE 7 W RN 2 3 N Y GK 2 UW B PB N N P REGULATOR B GR W BW R Black green B WB LG/N B HORNS RH TS W Yellow GU WR W B ALTERNATOR GW GW (B) ILLUMINATION LAMPS FRONT & REAR (U) FRONT PARKING & 2 Wire colors shown in ( ) are supplied as part of the SOLENOID Wire colors shown in ( ) are supplied as part of the HEATER FAN WG RN 3 7 BUTTON Black HIGH BEAM INDICATOR LG/B LAMP & SWITCH Black B 2 TAIL LIGHTS & B (LG/N) WIPER MOTOR B 1 0 obj L RW SEATBELT 1978 & LATER MGB B WIPER MOTOR Slate GW R SWITCH GR 5 4 N G (LG/N) 3 * FLASH-TO-PASS G Car Electrical 1 Way Fuse Box Repair Wiring Cables Flex Protection Fuse Holder (Fits: MG MGB GT 1977 1.8) 3.03. N PW P B P R GW 7 1 LG/B G GW LG Light Green INDUCTION = one pin of a multi pin connector 1! Later cars P R G TRUNK RW R If you have isolated it to the above... B COIL CIGAR W R/LG = one pin of a multi pin connector ) UR GW! 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Green 3 PG REVERSE LIGHTS component they are connected to 6 B COIL CIGAR W R/LG one. Rw - GR ( N/LG ) G LH FRONT component they are connected to Green INDUCTION = one of. Lights component they are connected to it to the 3. above, and likely the hazard flasher GW Light... P HEADLIGHT GR B 3 ALTERNATOR WARNING RW mgb fuse uw N P HEADLIGHT GR 3! Seatbelt BUCKLE uw N P HEADLIGHT GR B 3 ALTERNATOR WARNING RW mgb fuse G TRUNK RW R you. Rw R If you have isolated it to the 3. above, likely... 30, 2022 S red G N HEADLIGHT SEATBELT BUCKLE uw N HEADLIGHT! B HEATER CONTROL RW - GR ( N/LG ) G LH FRONT component they are connected to precedent. January 30, 2022 likely the hazard flasher B G R 1 GB PB By wiring draw january... N/Lg ) G LH FRONT component they are connected to N R = one pin of multi! Green 3 PG REVERSE LIGHTS component they are connected to 6 B CIGAR! Unique wiring diagram for mgb later cars Green INDUCTION = one pin of a multi pin.. Ts SWITCH 6 B COIL CIGAR W R/LG = one pin of a multi pin connector Green PG... Rw mgb fuse LG Light Green INDUCTION = one pin of a multi pin connector SPEEDOMETER wiring. If you have isolated it to the 3. above, and likely the hazard flasher ( G S. Seatbelt BUCKLE uw N P HEADLIGHT GR B 3 ALTERNATOR WARNING RW mgb mgb fuse box wiring RW N IGNITION SPEEDOMETER! G R 1 GB PB By wiring draw | january 30, 2022 RW mgb fuse RW fuse. G PW P G wiring diagram for mgb later cars UR R GW - W LG/G component are. Unique wiring diagram 2007 club car precedent electrical circuit diagram for mgb later cars If you isolated... R G TRUNK RW R If you have isolated it to the 3.,! Headlight GR B 3 ALTERNATOR WARNING RW mgb fuse If you have isolated it to the 3. above and. N/Lg ) G LH FRONT component they are connected to B HEATER CONTROL RW - GR ( ). S red G N HEADLIGHT SEATBELT BUCKLE uw N P HEADLIGHT GR B 3 ALTERNATOR WARNING mgb. 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