mgb fuse box wiring

R B FLASHER R G Left R Y (UW) Pink 4 S R R N HAZARD FUEL LEVEL B G R R PW (R/LG) W R GO S PW NY WN G LG/N OVERDRIVE G TURN SIGNAL CIGAR LIGHTER Wire colors shown in ( ) are supplied as part of the 2 P CONNECTION G W White GW G FROM BENTLEY B51798 GR HORN P G FLASH-TO-PASS GN B G GK CIGAR LIGHTER BATTERY B GN RADIO 3 N 3 + 4 * and indicate two/three switches combined in one housing P LH REAR Black & DOOR SWITCHES W White RW click here for the MGB tips home page. 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 RH TS SWITCH YP Left SEATBELT & SWITCH LIGHTS B PW GW SWITCH W R GP B LG/N RG SEATBELT B PB (R/LG) LIGHTS LIGHTS HIGH BEAM INDICATOR YP RG W GW G S G IGNITION R LG/P W GR N G W B G GR B CIGAR <>>> RH TS 2 W N/LG W2 C1 LG/N LAMP & SWITCH SWITCH SOLENOID 1 R W 6 N B STARTER R & SWITCH - GT ONLY B R P PW W (U/LG) W SWITCH G TACHOMETER CIGAR RW B ON - OFF SWITCH PW Y 7 GP N W1 C2 UR HAZARD B WG P IGNITION Source: diagramspace.blogspot.com. W WB LG/N RW & LAMP CIGAR LIGHTER HAZARD SEAT SWITCHES 3 (B) & SWITCH SWITCH G DIMMER B GK W HIGH BEAMS PB YR N MGBGTV8 WR STABILIZER B IGNITION R/LG B PW HORN 4 GN P (N/LG) LOW BEAMS GU I *These two switches are combined in one housing L 5 I NY STABILIZER + 8 N WR STARTER RG IGNITION PB N GK NY BG GW (R/LG) GU G Y PW RW B MARKER LIGHTS (LG/B) G UW N GR ALTERNATOR WARNING RW & DOOR SWITCHES WR GR GW GK G GB B B NR 2 HIGH BEAM INDICATOR COURTESY LAMP O B GU 5 INDICATOR STARTER 3 Red R Pink R R B LG/G DISTRIBUTOR O R HEATER FAN LG/G COLOR CODES UR ALTERNATOR WARNING 2 Left * WARNING LAMP Right GP IGNITION G B W G WG LG/P DIMMER & YP U COOLING OIL PRESSURE/WATER TEMPERATURE B TACHOMETER UW G B *TS SWITCH R C1 C2 2 R UR + RW WB HEADLIGHT N G S TURN SIGNAL N GN PW NY 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas. Wire colors shown in ( ) are supplied as part of the STARTER ILLUMINATION LAMPS BRAKE FAILURE TACHOMETER BUTTON WN B REVERSE LIGHTS SOLENOID G FROM BENTLEY 3NB067 W INDICATOR *TS SWITCH Left R Yellow LICENSE PLATE LAMPS BALLAST HAZARD WR W1 U GW GW R WIRE W 2 INDICATOR P LH DOOR N N W RW 6 LAMP R RH TS B FLASHER RW INDICATOR & DOOR SWITCHES B 2 B P O B STARTER SWITCH component they are connected to. UW B GR GW HAZARD SWITCH 3 WB FUEL PUMP RW G C1 C2 BUZZER RH REAR STARTER HEATER G GK COLOR CODES W WN G B SWITCH R DISTRIBUTOR O I & LAMP RW 1 VALVE & SWITCH R GP R B GK B N SOLENOID 1 FUSE BOX FUEL PUMP Red The only thing that kept the car from burning to the ground was the connector (UW) PW B GR * DIMMER & BATTERY Since the scratch-built harness also had fused circuits, we used another MGB fuse box (from a newer MGB). - RG R B RW N (UW) R GY HAND BRAKE R UR N HAZARD SWITCH GAUGE VOLTAGE G B 3 P R B R P GP GN N COLOR CODES R B GAUGE & DASH GW B B R HAZARD 3 SY Pink LOW BEAMS R 6 G G Purple PW B TRUNK LAMP B UW UW 2 YU R N LIGHTER 4 When one of these fuses blew the other day while driving I lost almost all of my systems. GP CIGAR LIGHTER (U/LG) HORN 5 B R 8 HIGH BEAM INDICATOR B 4 2 component they are connected to. FRONT PARKING & HEADLIGHT G & SWITCH G R SWITCH GR B P R R (LG/N) COURTESY/MAP GAUGE VOLTAGE P * and indicate two switches combined in one housing GO DISTRIBUTOR B 8 G N G HEATER FAN B LAMP RW G sheet 32 WB P INDICATOR G B TEMP GAUGE & SENDER RW N WB HORN G Web unique wiring diagram 2007 club car precedent electrical circuit. SWITCH (LG/N) Blue FUEL PUMP W 3 0 obj FRONT PARKING & R 5 RW SWITCH GR 8 G G B HIGH BEAM INDICATOR RW - GK R *HORN RH TS B Red HEADLIGHT W W GP SWITCH R 4 1 P W2 W R GR (R/LG) U N RW LH TS 1 5 W2 W1 Blue R UW P Brown B G RW GAUGE & DASH RW U/LG B G STABILIZER REVERSE LIGHTS & DOOR SWITCHES P NR GR GN R HEADLIGHT WR PW PB SWITCH component they are connected to. N B Right LH FRONT GR G RH TS S FLASHER 4 G B N Y L RW L LG/N (B) B (N/LG) R N YP B B CONTACT US. ALTERNATOR B B G SOLENOID ON - OFF SWITCH R B G 8 SWITCH Sales: 800-667-7872; Customer . G P P R LIGHTER SOLENOID & SWITCH 3 LG/G Slate HIGH BEAMS 4 Black RW Right + PK GAUGE & DASH PW F Ind B B W LG/P But the brown wire at the ignition switch should be 'hot' regardless. component they are connected to. P 1 ANTI RUN-ON R LG/N RG N/LG FUEL GAUGE & SENDER RW (UR) LG/G I 8 SWITCH 2 COLOR CODES LAMP UR FUEL GAUGE & SENDER 4 SIDE MARKERS FLASHER GW 7 BRAKE B GW R W LH FRONT Red WR W N 3 GN SEATBELT N INDICATOR 2 REVERSE LIGHTS GW SWITCH GN 2 GW BATTERIES OIL PRESSURE FLASH-TO-PASS R Y FUEL GAUGE & SENDER NY 1 STABILIZER HAND BRAKE P G HAZARD SWITCH RH TS N HIGH BEAM INDICATOR WIPER MOTOR B SWITCH FLASH-TO-PASS GN G LH TS N B INTERLOCK SWITCH Pink YR FROM LATE BENTLEY GR B 10 LH FRONT Get access to all pdfs for this model paying only $15, MG MGB PDF will be shown after captcha resolving, 2023 All rights reserved - OnlyManuals.com, Get your hands on the complete MG factory workshop software. HEATER FAN + CC4Lu%QUg%ORiOS%UZGTd2\z`+}/=0BqO!*n]y5>bf\H?z7XZ\C`~@^~QB`N` O!-h9 SWITCH INERTIA PB NY COIL W O R UR W G - UR RG P red NP GR HEATER FAN MOTOR BG P LH FRONT W2 (LG/N) 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) B 3 FROM HAYNES B SWITCH DIAGRAM 12 - 71/72 MGB GK B GAUGE & DASH 1974 - 1975 MODELS WITH SEAT W UR BATTERY BUZZER G ON - OFF SWITCH HORNS 4 3 GO TACHOMETER U WIPER/WASHER YP P YP UR G B B G 3 GR PB TAIL LIGHTS & I N U/LG TEMPERATURE 1 UW GN WN 7 K Black P Pink INTERLOCK SWITCH U SOLENOID HIGH BEAM INDICATOR RW WN N N PB GO Left ALTERNATOR WARNING RW B B RADIO 1 WB & SWITCH (GW) fuel pump relay. G W COIL DIMMER B Orange FLASHER WB B BUTTON B GN W SWITCH B BRAKE GU R B SEATBELT WARNING LAMP Green FRONT PARKING L *TS SWITCH B RW U STARTER Green GR GW green W (GW) - GN RH TS LAMP & SWITCH R PW RW GP LAMP P W PW B B G YR P LOW BEAMS B UR green LAMP STABILIZER RW L Ind 7 S R RADIO LG/P & SWITCH - GT ONLY 6 Right GO LIGHTER green GAUGE GR DIMMER LICENSE PLATE LAMPS R Pink GB TURN SIGNAL W LG/G G COURTESY LAMP N (S) GAUGE G WIPER/WASHER GAUGE B R COURTESY LAMP RG PASSENGER SEAT TACHOMETER G W WLG B 2 R B ALTERNATOR WARNING RW TURN SIGNAL (B) R & DOOR SWITCHES MARKER LIGHTS N WATER TEMPERATURE U TAIL LIGHTS & WB N G hot spot, burned the cover off the ten-gage wire and burn baby, burn! LG/G HEATER CONTROL WN RW GAUGE SEATBELT WARNING LAMP 5 B SWITCH 2 W PG GY WB GW R 4 ILLUMINATION LAMPS B Brown R B P SOLENOID GR W = one pin of a multi pin connector. N WN * P RW SEATBELT BUCKLE green Right Left W LG Light Green LH TS CONTROL B GW GK G 2 INDICATOR R (UR) B Brown Pink G SWITCH N HORN YN GO W White Purple batt RW GR GW UR Purple sheet 9 CIGAR P TRANSMISSION LH REAR + B GN GU CIGAR UR B 1 IGNITION TAIL LIGHTS & N DRIVER B LH FRONT LAMP & SWITCH - WR G D (U/LG) FLASH-TO-PASS GW 3 (W) P N GW Sounds like that's not the case unless the switch is faulty. OVERDRIVE SOLENOID EGR SERVICE Right GK W B WIPER MOTOR SWITCH TACHOMETER LG/N LAMP RW COURTESY LAMP B & INDICATOR LAMP - GT ONLY GY GR 2 B Right HEATER FAN MOTOR B B SWITCH & LAMP DIMMER & B B G B W FUEL LEVEL G U/LG TACHOMETER B P COURTESY LAMP (G/K) B YP B+ GR P B Left GW GR = one pin of a multi pin connector. I opened the hood (bonnet) and saw that the wire running across the engine had hit a G Y 4 Y LICENSE PLATE LAMPS B UR G W B R 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) N FUEL LEVEL WASHER MOTOR HAND BRAKE RH TS GO The wiring harness burned B YR (GR) G SOLENOID ALTERNATOR WARNING B G LG/G B Purple YG LH REAR G K RW STARTER W G RW R SWITCH 2 GR green COUNTER & LAMP SWITCH Y red 2 7 8 Y OVERDRIVE G 1 B G B N GK GR CLOCK HORN 4 R SWITCH WB RW P YP 1.8 (1798 cc, bmc b series). TURN SIGNAL RW Y GN N DISTRIBUTOR RW 6 Pink (LG/N) TACHOMETER N TRUNK LAMP NW GP W green HORN S Blue K TAIL, REAR MARKER, & 2 DIMMER & STARTER component they are connected to. CONTROL PB UW GR P 5 G SWITCH GP REVERSE SWITCH LG/N G PW R G B LG/Y B RW P NP P RW G = one pin of a multi pin connector. LOW BEAMS (B) Purple G G PW SP PB P INTERLOCK SWITCH R SWITCH RADIO COIL RH TS B RW P G STABILIZER P G SWITCH GW R G B GN BW TEMP GAUGE & SENDER DIMMER G G CIGAR LIGHTER F PW HAZARD SWITCH INDICATOR BUTTON TRUNK/HATCH 2 GN WB SWITCH Drag the slider left to right to donate what you can. RG R BRAKE SWITCH STABILIZER 1 B WLG B RW Fuse Blocks. N REGULATOR WU RW P HEADLIGHT 6 REAR WINDOW DEFROSTER, SWITCH LG/G N RW B PW GR RW * indicates two switches combined in one housing 4 G W I 4 RW G B W C1 C2 PG P YU IGNITION N GN W B Slate RW 1 P Purple P 2 BRAKE FAILURE N R R P RW G FUSE BOX N R WB Left LH REAR BATTERIES R Green P RW STARTER RG U W DIMMER YK W1 C2 RW P GR W PW (LG/N) 2 red SEATBELT BUCKLE G INERTIA UR 2 SPEEDOMETER 8 3 B DIAGRAM 11 - 71/72 MGB G P B G G COLOR CODES RH FRONT B G Slate UR GR G DIMMER R RH REAR Had a look at the wiring diagram, Yakko has a good point. W White W LH REAR YO R R F GO L B green B SWITCH RW (GR) + B HEATER FAN G 5 GEARBOX SWITCH G WIPER/WASHER https://www.advanceautowire.com/mgb.pdf looks like there should be three brown wires 1.one to seatbelt buzzer etc. RG NOT USED - LEFT OVER FROM G W1 C2 R 5 B GN (GR) P BATTERIES 1977 mgb wiring diagram. Wire colors shown in ( ) are supplied as part of the WB WB A dmp PUBLICATION 2005 SWITCH B P W N GAUGE GR LG/P RW R/LG UR RG 2 ON - OFF SWITCH YP RH REAR P N CIGAR B (N/LG) R R G R GN INDICATOR WN FUEL PUMP N WASHER MOTOR BW RW HEADLIGHT COLOR CODES U/LG = one pin of a multi pin connector. Newsletter. GN GAUGE B CONTROL SWITCH LG/G FUEL LEVEL 4 W INERTIA B GW 18 Images about No Power to Half of Fuse Box : The DC Wiring Page - Connectors, Fuses and Wire, Cat 257b Fuse Box Diagram and also The DC Wiring Page . SWITCH B FRONT & REAR LAMP SWITCH LG/P FRONT PARKING N W B R LG/G B (R/LG) O 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. WB green 6 A dmp PUBLICATION 2005 WG R WG B Y N W N GB (LG/N) WLG Blue WARNING LAMP GO RG WIPER From the 1977 / 1978 maintenance manual suppliment . GY R 6 COLOR CODES RW GW + PW LIGHTS B GP 3 LG/N G B P WB RW SPEEDOMETER DIMMER RW + SWITCH GW & DOOR SWITCHES G GK 2 W (U) (P) GW R YP THERMOSTAT G LAMP B HAZARD STARTER B R 4 G G B Purple B W1 C2 PW GW FROM BENTLEY E1898W GW 7 CONTROL W Slate FLASHER SWITCH HAZARD SWITCH P W *TS SWITCH R LIGHTER OVERDRIVE B R UW G ALTERNATOR WARNING OVERDRIVE B W G GK 3 * indicates two switches combined in one housing B B GN P R Light Green RW 7 (U/LG) G P WB LIGHTER G R RH TS B BRAKE SWITCH FROM BENTLEY 3NB064 W1 C2 B ALTERNATOR GW REAR WINDOW DEFROSTER GK B W R RW PK (R/LG) WIPER MOTOR MODULE HIGH BEAM INDICATOR (N/LG) YP 3 Brown HEATER FAN MOTOR B B W2 C1 GW R Left 8 Blue N NP P HEADLIGHT SWITCH P (N/LG) W BRAKE FAILURE OIL PRESSURE LG/Y GW B G 1 RADIO B Right HEATER N OVERDRIVE P TACHOMETER STABILIZER U PW B BRAKE FAILURE R/LG INTERLOCK SWITCH TAIL LIGHTS & RW HIGH BEAMS G GW DIMMER SWITCH UR 6 & SWITCH - GT ONLY B YP 4 B B S Y HAZARD B R IGNITION K WN REGULATOR B B RH TS WR B G LG/N *TS SWITCH WARNING LAMP Y WR GN HEADLIGHT ALTERNATOR R PW 2 7 COIL GR SWITCH U SP SWITCH DIMMER & COIL BW HEATER FAN MOTOR S HEATER FAN P 1 WIPER/WASHER B UW PW NY HEATER WB RG P OVERDRIVE PW R W G (N/LG) WASHER MOTOR G G K LH TS RW RH REAR PB Purple PW PB G B N G COIL * BRAKE COURTESY LAMP Left BRAKE FAILURE (U/LG) B R 3 * FLASH-TO-PASS 3 PB L HIGH BEAM INDICATOR HEATER FAN GB GY WB 2 P ON - OFF SWITCH G SWITCH 1 & SWITCH LG/N 5 7 BG N GR R 1 SWITCH RH FRONT R N R FLASH-TO-PASS RW GR (GR) (R/LG) The fans should . LG/N Right P NY N P Brown & DOOR SWITCHES Slate G N/LG UW GW WR GP LG/G N TACHOMETER UW UW The original car had a total of 2 fuses, not what you will see on any modern car. PB G green P SWITCH 4 Just below the fuse box is a Line Fuse for Wiper Motor/ Heater Fan and Radio - if fitted -- this fuse . 2 PB R/LG B GAUGE & DASH B green RESISTOR LAMP N R RW green REAR WINDOW DEFROSTER (N) (PK) N B W2 SP HIGH BEAMS R WATER TEMPERATURE COIL FUEL PUMP DIAGRAM 9 - 69/71 MGB R W G B G U P Yellow P WR RADIO RH REAR R B RELAY HAZARD SWITCH & LAMP UW RG P GB TURN SIGNAL 7 ILLUMINATION LAMPS B P The insulation around the wiring tends to chafe and wear through repeated shifting. N P FLASHER ILLUMINATION LAMPS R (UW) CIGAR GR Red TRUNK OR HATCH LG/P OIL PRESSURE GB B Right WN mgb fuse diagram box wiring 1976 resources. B BRAKE SWITCH 3 G GB UR R UR OIL PRESSURE/WATER TEMPERATURE G SEAT BUTT G TEMPERATURE WN G P GW 6 GW Y REVERSE LIGHTS White Brown RW ILLUMINATION LAMPS (N/LG) P R LH TS TAIL LIGHTS & B INTERLOCK SWITCH B (B) WU BRAKE SWITCH FANS WN RN BATTERIES LH TS NW GK G RN HORN W RW STARTER GR (GK) LAMP PW L RW HEADLIGHT Brown SWITCH G R R P RH REAR (WR) B W White LH TS G 1 STARTER HEADLIGHT Red Use a piece of wire to jump across the two female terminals in the connector. R B CIGAR LIGHTER (GW) G WB 1 RW B 1 ILLUMINATION LAMPS 1 NY UR FLASH-TO-PASS ILLUMINATION LAMPS Orange 1 1 WN ILLUMINATION LAMPS LG/N NW TAIL LIGHTS & WR WIRE R Pink R RW green GK RG SWITCH GR UR R WG LH TS P 2 R GN GY GP G B R PG FUEL GAUGE & SENDER G SWITCH B ANTI RUN-ON LAMP GN L GU N DIMMER & TAIL, REAR MARKER, & G R U (WG) B W RELAY LH TS + YN 3 WB R L LIGHT/SWITCH HEATER FAN N LG/G B LIGHTER BRAKE FAILURE GN GW P W LG/N 4 FLASHER GP LG/N * and indicate two/three switches combined in one housing (P) LG/G LG/P G N DRIVER WR RADIO UR (U/LG) RH TS NP RW HIGH BEAMS 2 G P P UR B Electrical Tech Tips for MGB Members Electrical Dashboard Gauges The electrically operated gauges (fuel, rev counter, water temperature and on 1968 - 72 MGBs the oil pressure) have been known to fail on occasion. - UW R WB HORN GN RH FRONT G WASHER MOTOR DEFROSTER SWITCH BUTTON TACHOMETER A dmp PUBLICATION 2005 R P (LG/N) N (N/LG) R NW R CONTROL P B ALTERNATOR B WB GN 6 4 GK U B ALTERNATOR B COLOR CODES Left GR B UR B LG/P B B R/LG N B GP WASHER MOTOR Ind Ind WARNING LAMP B RW B LAMP E WN G R N RG DISTRIBUTOR (UR) 6 LAMP INTERLOCK SWITCH HEATER FAN R GR FLASHER OVERDRIVE HAZARD RH REAR 4 PW Y LICENSE PLATE LAMPS (U/LG) P 3 LG/B N P W FUEL LEVEL WR NY RH TS (GW) (G) R R R Diary of an MGB: Let there be light - Fuses and Relays. PG 8 8 R N/LG N B TURN SIGNAL 3 R INTERLOCK SWITCH R STARTER B G R U/LG component they are connected to. BRAKE WLG UR R 3 STARTER W RW ALTERNATOR U B 1 RN RG *TS SWITCH 3 R G B WIPER MOTOR W P B W - 4 LH FRONT BRAKE GW GN Ind Ind * and indicate two switches combined in one housing 1 CIGAR B G green G IGNITION (LG/B) TEMP GAUGE & SENDER FUEL GAUGE & SENDER (UW) RADIO SWITCH RW SPEEDOMETER Green N R TACHOMETER + 4 R LG Light Green G 3 B green PW N G W ILLUMINATION LAMPS U GW W TAIL LIGHTS & G SWITCH B Y B G G GW RH REAR (B) W N/LG ALTERNATOR WB & SWITCH LG/N LG/G R/LG DRIVER HAZARD SWITCH 2 4 G SWITCH 4 RG W Red G P N G B BW Orange B 3 Green N R Electrical Wiring & Fittings MGB 1962-80 WARNING: May contain chemicals that may cause cancer or reproductive harm. 3 HAZARD PW F Right LG/G L PB PB B ILLUMINATION LAMPS + K GW W/LG SWITCH B FUEL GAUGE & SENDER LICENSE PLATE LAMPS BRAKE FAILURE RH TS B B Yellow U (GW) LG/N PW K W1 C2 R UW + (P) RW B P RADIO W SWITCH LH FRONT LH FRONT STARTER 3 PW HEATER FAN 3 SWITCH R R Green LG/B GW W White B W White 5 B SWITCH 3 RH TS GN BUTTON UR N GR GN - DIAGRAM 8 - 68/69 MGB N green N B WN FUEL PUMP RW RADIO SWITCH 4 GAUGE VOLTAGE 1 YP (U) FUSE BOX GAUGE LG/B RW R B B SPEEDOMETER 1 GT Red HEADLIGHT HIGH BEAM INDICATOR OVERDRIVE LH TS R 1 N/LG 1 TACHOMETER G PW A dmp PUBLICATION 2005 How to remove the MGB side moulding. TEMP GAUGE & SENDER K Left YN REVERSE LIGHTS 2 RW G + ANTI RUN-ON RW B RG B & SWITCH FRONT PARKING &

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