mgb fuse box wiringmgb fuse box wiring

*TS SWITCH + GY 3 ALTERNATOR WARNING I LG/W + + LICENSE PLATE LAMPS LIGHTS HIGH BEAMS FLASH-TO-PASS - R/LG COIL PW Green STARTER 7 BG LG/B UR TACHOMETER I B Yellow B RW Right When one of these fuses blew the other day while driving I lost almost all of my systems. N FLASH-TO-PASS R GW SWITCH COLOR CODES 5 B W 2 N RH REAR I G GN O STARTER GW 6 B 6 Left STABILIZER OVERDRIVE SWITCH B Purple GR (G) PW 2 B ALTERNATOR (P) Wire colors shown in ( ) are supplied as part of the DRIVER N LIGHTS CONTROL B B + 1 LIGHTS ALTERNATOR WARNING component they are connected to. R INERTIA G (N) 2 B FROM BENTLEY 2NB034 B K A dmp PUBLICATION 2005 WR RW P W B 5 BG WN WR 3 IGNITION B RW GP W White *These two switches are combined in one housing http://www.advanceautowire.com/mgb.pdf B N/LG B P PW N W LG/N BRAKE LH REAR FUEL PUMP LH REAR REAR WINDOW (UR) 1 P W - (U) GR GW P on donations to keep it going. COIL FLASHER G WR B G LG/B RW YR ON - OFF SWITCH (R/LG) B WR N W FUEL GAUGE & SENDER IGNITION 11 SWITCH UR D R YP PW 1 U R G HAZARD STABILIZER GY FUEL PUMP Y SOLENOID CLOCK STARTER B W Green ON - OFF SWITCH FLASHER 4 2 Batt + + & DOOR SWITCHES FUEL PUMP N WG RW RW N P B FLASH-TO-PASS MODULE Yellow * and indicate two/three switches combined in one housing - LG/N RH TS W *TS SWITCH SPEEDOMETER + HAZARD Ind Ind GW F WL D E R 1 W RW TURN SIGNAL LICENSE PLATE LAMPS Right GP RW GW COLOR CODES G RADIO A dmp PUBLICATION 2005 WIPER/WASHER R P P G B + LIGHTER 3 HIGH BEAM INDICATOR S Blue N FROM BENTLEY E3212W P N GN N I red W G (UR) - 3 G Orange N Orange RW RH FRONT W SWITCH LICENSE PLATE LAMPS DISTRIBUTOR B (UW) G = one pin of a multi pin connector. GK INTERLOCK SWITCH 3 U/LG UW GP & LAMP P HAZARD PSNGR B Purple COLOR CODES N Left UR 2 1 GW click here for the MGB tips home page. ROADSTER & SWITCH COURTESY LAMP N W & SWITCH - GT ONLY NG B 8 R W HORNS B RW U G W/LG N NG GP SWITCH YP GN W P G G (UR) * U B B SEAT SWITCHES W N I CIGAR LIGHTER TEMP GAUGE & SENDER G R 1 BUTTON B REVERSE LIGHTS Black SEATBELT P (N/LG) B C2 P B Right LG/P RG YG W RELAY GW LG/U TACHOMETER PW GN GR 7 & SWITCH Orange & SWITCH - GT ONLY B FUEL GAUGE & SENDER (LG/B) SEATBELT WARNING LAMP LAMP RW GN (GW) LIGHTER SWITCH REVERSE SWITCH WN component they are connected to. GP W/LG R SWITCH N GN L Slate W OVERDRIVE RG GW HAZARD SWITCH TACHOMETER N B BUTTON W RW GR 2 UW B WN N UR G OVERDRIVE UW PB (U/LG) GO & SWITCH LH FRONT RW N TEMPERATURE Blue 2 RW 1 NY TEMPERATURE 2 B 4 LG/G DIMMER SWITCH SWITCH RW G SEATBELT BUCKLE 4 Black GAUGE & DASH 8 B A dmp PUBLICATION 2005 LH TS MODULE BW WARNING LAMP PB B STABILIZER GK N/LG LAMP LICENSE PLATE LAMPS HEATER FAN MOTOR LG/B 1966 Mgb Wiring Diagram Free Download Schematic Schematic Wiring Diagram and Resources. 1 (U) R 3 Right W/LG SPARK B K component they are connected to. BALLAST 8 (UW) GW RH REAR DEFROSTER SWITCH (P) *TS SWITCH NOT USED - LEFT OVER FROM OIL PRESSURE/WATER TEMPERATURE B GP 3 GB UW R/LG CIGAR LIGHTER 2 W OIL PRESSURE Drag the slider left to right to donate what you can. RADIO 12 W Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com mgb fuse box diagram wiring laiser schematic 1977 Mg Midget Wiring Diagram - Wiring Diagram wiringdiagram.2bitboer.com [HZ_6734] 1974 Hazard Switch Pins What Wire Goes Where Mgb Gt Forum Mg Download Diagram elia.akeb.unec.frag.mohammedshrine.org DIAGRAM 3 - 67/68 MGB SWITCH B R SWITCH * and indicate two switches combined in one housing B N FRONT PARKING COLOR CODES R (N/LG) IGNITION (LG/B) UR GP ILLUMINATION LAMPS LH FRONT PB G UW TRANSMISSION 6 B G C1 C2 B GR INDICATOR (GW) 8 HAZARD GAUGE & DASH FUEL PUMP S SPEEDOMETER STABILIZER 4 FLASHER GW (U) ON - OFF SWITCH LIGHTER OIL PRESSURE/WATER TEMPERATURE PB LIGHTER LG Light Green 2 A dmp PUBLICATION 2005 WG Left (N) (PK) SWITCH G LAMP U COURTESY LAMP RW TURN SIGNAL G STARTER component they are connected to. * and indicate two switches combined in one housing RESISTOR 5 R N P HORN GN GAUGE & DASH G Ind CIGAR RG RG W - SWITCH N WN GR K HIGH BEAMS G HIGH BEAM INDICATOR PW STABILIZER R B G Brown 2 GP RW B GP B B RW B WASHER MOTOR G Orange 5 HEADLIGHT SWITCH B ALTERNATOR WARNING CIGAR LIGHTER IGNITION sheet22 S WB HORN B (LG/N) GAUGE & DASH B 5 W G N GAUGE component they are connected to. R B 3 SWITCH COURTESY LAMP - 1 G LG/N R GAUGE ON - OFF SWITCH FLASHER 1 G GK LG/G G HORNS 2 Yellow WB B FRONT PARKING B LG/N SEATBELT SPEEDOMETER green DIMMER & LH REAR WIPER/WASHER G G WG LIGHTS FRONT PARKING & R Red RELAY REAR WINDOW DEFROSTER HORNS R B+ B RH REAR GK * DIMMER & Mgb tips mods and maintenance. (P) PW OVERDRIVE SOLENOID GN RH FRONT B & SWITCH - GT ONLY COIL SWITCHES RW WIPER MOTOR GN B N W P G TRUNK LAMP B NR Red Yellow COLOR CODES LG/G BRAKE FAILURE ILLUMINATION LAMPS GW GW HAZARD P (N) N PW 1977 Mgb Fuse Box Wiring - New Fuse And Relay Box Location Before I Go. B WB ALTERNATOR WARNING G sheet 26 W White Y CIGAR MOTOR RP PW G W LAMP harness. N (GK) LG/G Sounds like that's not the case unless the switch is faulty. G = one pin of a multi pin connector. PW The fans should . R 5 Roadster N Green G green INDICATOR N W WR (U) B WIPER MOTOR 5 COLOR CODES R (S) LG/G N LAMP GR G W/LG (N) LH DOOR RH REAR W GW RH FRONT RG B INDICATOR LH REAR B B RW PW W GAUGE VOLTAGE B BATTERIES N RG G 8 Y BATTERY N W B RW B TACHOMETER B N COURTESY LAMP G green FUEL PUMP L INTERLOCK SWITCH (GW) L G HEATER FAN B Yellow P GN *TS SWITCH B P GN G R CIGAR R B U (GW) LG/G RG 6 R RW TRANSMISSION K mods I do on my own MGB. hope you find them useful. FLASHER WB R B B COUNTER & LAMP = one pin of a multi pin connector. N G W PB RW RELAY Right GK ALTERNATOR WARNING R B TURN SIGNAL R/LG W HEATER FAN GW wanted the connection to the new fuse box under the dash, and built the wiring N B PB RW WN GR G PW N 1978 & LATER MGB GN PB BRAKE SWITCH B LG/G (G) SIDE MARKERS TURN SIGNAL R 4 N GR GP RW INDUCTION CIGAR LIGHTER (LG/B) P N OIL PRESSURE/WATER TEMPERATURE B FLASHER OVERDRIVE GB GW 1975 mustang 302-no wires on my coil so which ones do i need?. RW (S) GY N RW * indicates two switches combined in one housing + N TEMPERATURE UW R LG/G G G SWITCH PK 1 Wire colors shown in ( ) are supplied as part of the W RELAY 8 SWITCH CIGAR B SWITCH 4 Right LICENSE PLATE LAMPS UW P 7 Roadster COURTESY LAMP WLG 7 3 RW BATTERY RADIO LH REAR P N B B G S PB PW GN RW REVERSE SWITCH R RW OVERDRIVE N The goal was to eliminate the wiring out of the engine compartment and move it to a modern fuse box. WIPER MOTOR Black G B N B R W2 C1 CLOCK BRAKE FAILURE P LH FRONT RN OVERDRIVE SWITCH & LAMP GAUGE & DASH B G RW R U UR *TS SWITCH GW GU ALTERNATOR PW G R Y B R G (R/LG) DIMMER P TACHOMETER K G B G N HORNS IGNITION 8 B 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. GP 1 U COURTESY LAMP P GENERATOR YP FLASH-TO-PASS RW P R W B 4 REAR WINDOW DEFROSTER, SWITCH Yellow PW MGB Late model Overdrive wiring with optional fuse images. ILLUMINATION LAMPS U 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com. LG/G R/LG B B B P 1 GR RG NP B P B U/LG FUEL GAUGE & SENDER WB UR HAZARD B RW U GR RG 6 SEATBELT BUCKLE + SY GW GW 3 RW Ind Ind RW B DIMMER Wire colors shown in ( ) are supplied as part of the INDICATOR E N SWITCH OIL PRESSURE GAGE & SENDER 3 BATTERIES R REGULATOR HEATER CONTROL B & SWITCH (B) N GW HAZARD W2 C1 G FRONT PARKING (B) B DIAGRAM 2 - 64/67 MGB A dmp PUBLICATION 2005 1 3 N Green Y G G G REVERSE SWITCH R TRUNK LAMP N ANTI RUN-ON LG/N (P) GP N Y CIGAR 1 G SWITCH B B HORN GO OVERDRIVE B 2 N P & INDICATOR LAMP - GT ONLY FLASHER Slate N 6 1 P 4 W B B G K ON - OFF SWITCH B Blue (WG) CIGAR LIGHTER Yellow 2 TEMP GAUGE & SENDER N B LICENSE PLATE LAMPS ALTERNATOR B G G LG/P LAMP G HEATER FAN MOTOR R G U/LG 1 0 obj LG/N Blue B - 2 B 8 RADIO RN LG/N G P PB LH DOOR G G P UW CIGAR LIGHTER FRONT & REAR W SWITCH Right LATE UK MARKET MGB N B PB HEATER FAN MOTOR L Orange P P BRAKE SWITCH YP HORNS DISTRIBUTOR (B) PW + R N WG 4 N WB GP W UR TAIL LIGHTS & 5 Left (N/LG) LG/G RW 3 UR RG CONTROL R Ind N DIMMER P EGR SERVICE W I U GN ILLUMINATION LAMPS SWITCH (U) R YP HAZARD GAUGE sheet 33 3 PB GW W/LG SOLENOID L B BG G 5 RN WARNING FROM LATE BENTLEY N 1974 - 1975 MODELS WITH SEAT 4 LG/N Y 3 HEADLIGHT UW 3 *These two switches are combined in one housing 2 4 N STARTER B GB R (GR) G WN TACHOMETER LG Light Green R HAZARD Right B GW CONTROL 2 N PSNGR GN W YP L STARTER P GP G 4 R INTERLOCK SWITCH 1974 - 1975 MODELS WITH SEAT Fuse Blocks. G 2 TACHOMETER G G IGNITION RG & DOOR SWITCHES TAIL, REAR MARKER, & GR RW SPARK ADVANCE GW G P LG/B 4 LG/B R G B W I R 2 GAUGE 5 ALTERNATOR WARNING DIMMER B RW GP SWITCH GAUGE VOLTAGE 7 GR G INDICATOR B N TACHOMETER R Right 1 G N * indicates two switches combined in one housing Slate Green REGULATOR G TURN SIGNAL 6 5 G Is there any standard type glass fuse that I can replace with. Yellow RG R G B Y PW SWITCH (U) 3 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 G INTERLOCK SWITCH R P RG 6 1 RW HORN G 4 R (R/LG) HIGH BEAMS G P B GR Roadster W2 W1 LG/P G BALLAST 4 ANTI RUN-ON RN B 5 GW W ON - OFF SWITCH G B TURN SIGNAL GB DIMMER WIPER/WASHER (LG/N) BATTERIES G Y W LAMP R - GAUGE VOLTAGE RW OVERDRIVE W1 W2 WN When ever I find useful and interesting information about the MG MGB & GT (or any other classic FLASHER WATER TEMPERATURE WB FUEL GAUGE & SENDER B N LG/G Sign up for e-news. R YP GN B GW LH FRONT RH REAR FUEL GAUGE & SENDER GP G B B G 2 B K B Y R Rubber Bumper #MGB - check you have the correct coil? GAUGE A dmp PUBLICATION 2005 (UW) (UR) GAUGE G G LH FRONT G LG/N GR sheet 5 GW PB N 7 GW ALTERNATOR WARNING 4 & DOOR SWITCHES P FUSE BOX + UR Blue CONTROL N PW W TEMP GAUGE & SENDER 4 LG/N GN BUTTON INTERLOCK SWITCH LAMP N GW REAR WINDOW DEFROSTER Green LAMP & SWITCH P P UR INDUCTION LG/G CONTROL RG COURTESY LAMP R RW * DIMMER & WLG WB G B (WR) HIGH BEAMS PB 8 STABILIZER B LG/G HEATER FAN MOTOR W GP R P DIAGRAM 8 - 68/69 MGB TACHOMETER N 2 SPEEDOMETER RG STABILIZER W GY FUEL GAUGE & SENDER B PG Yellow N LH REAR WN 2 Y RG STABILIZER B LG/G SWITCH OVERDRIVE = one pin of a multi pin connector. UW LAMP & SWITCH G P INDICATOR N/LG GP G SWITCH UR G PB P INDICATOR G LAMP N BRAKE FAILURE UW GAUGE & DASH W 2 4 (U/LG) 5 B COURTESY/MAP G N 7 R LH TS R RG INDICATOR RW * indicates two switches combined in one housing CONNECTION GN B GB LOW BEAMS YR Fuse boxes change across years, pick the year of your vehicle: (P) R/LG RH REAR INTERLOCK SWITCH Y 8 RH REAR Right RW REVERSE LIGHTS B L P 2 W LG/B W B B GR N TACHOMETER N 6 component they are connected to. Brown BW UW GW 3 PB GN HORNS HIGH BEAM INDICATOR P FRONT PARKING & G 2 Y LAMP (GW) N RN O L LH REAR SEATBELT B (GW) GAUGE GW DIAGRAM 6 - 70/71 MGB green SWITCH TRANSMISSION GK B R 3 G PB HIGH BEAMS FLASHER SWITCH N N B RW 2 CIGAR LIGHTER FUEL LEVEL R GK P W B SWITCH FUEL GAUGE & SENDER LG/P 4 U G B B G B W/LG PK RH FRONT + B 3 GR SEATBELT W P W W G B P LG/P Brown R LOW BEAMS B RW RW WN 6 ANTI RUN-ON U/LG LAMP B SWITCH RW (U/LG) B GR 1977 MGB W/O CAT CONV REGULATOR R 3 LG/N Orange W FLASHER P Y IGNITION G & DOOR SWITCHES GR RW G IGNITION GP WIPER MOTOR SWITCH P CIGAR STARTER (R/LG) 3 GN B+ BATTERIES IGNITION SWITCH SOLENOID R GR INDICATOR B WR WIPER R (N) (PK) COIL B RH FRONT SWITCH 1 2 WR N Y B HEATER FAN N & DOOR SWITCHES RH TS RH REAR Right COURTESY/MAP FUEL PUMP F O G HEADLIGHT G UW 1 LAMP & SWITCH (U) PB N + + B PW 2 Black LH DOOR 2 P PB R (UW) (B) FRONT PARKING & FUEL GAUGE & SENDER F W TAIL LIGHTS & GK Y & DOOR SWITCHES FUEL LEVEL RH REAR SWITCH HIGH BEAM INDICATOR Wire colors shown in ( ) are supplied as part of the GN YR GR *TS SWITCH GN GN 4 COIL GAUGE COLOR CODES U GN PG HAZARD RG W White 1 LAMP TRUNK/HATCH WB B B green LG/G REVERSE LIGHTS LIGHT/SWITCH GW LAMP mgb fuse diagram box wiring 1976 resources. G TRANSMISSION FLASH-TO-PASS W White FLASH-TO-PASS N SPEEDOMETER W + Newsletter. (U/LG) RG Wire colors shown in ( ) are supplied as part of the (LG/B) 1 B RADIO 7 INDICATOR B LAMP UW UW BW PW 1 W N GW Subscribe to: . UR P (G) 2 UR SPEEDOMETER & SWITCH - GT ONLY P 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 . N R N PB GK RADIO B U/LG & LAMP W REVERSE LIGHTS MARKER LIGHTS P R GW G O ON - OFF SWITCH STARTER G WB B WR + GR W 2 NOT USED - LEFT OVER FROM PG BATTERY & SWITCH - GT ONLY B B SEATBELT BUCKLE B (N/LG) Purple 1 P (G/K) Left GR N K TEMP GAUGE & SENDER W HIGH BEAM INDICATOR G STARTER RW RW FRONT PARKING & R N HEATER FAN MOTOR PW P BRAKE FAILURE GK DISTRIBUTOR G LIGHTS FROM HAYNES 1 FANS B PK LH TS B GP GN BUTTON RW WB RH REAR GK (R/LG) L W RW HORN LH REAR FUSE BOX Y GK * and indicate two/three switches combined in one housing R P HEATER FAN MOTOR RW RW Right Wiring diagram for mgb later cars. MARKER LIGHTS SPARK ADVANCE IGNITION 1 B P B GAUGE VOLTAGE N (U) 2 RW (P) RG B 5 WATER TEMPERATURE 7 B RW 1 FLASHER B 3 P P REAR WINDOW DEFROSTER W LG/N INDICATOR R 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) ALTERNATOR STABILIZER RH TS & DOOR SWITCHES (R/LG) GR HAZARD REVERSE LIGHTS G PASSENGER SEAT + 4 BW R 3 + B WG UW NY PB WN CONTROL R N NB SOLENOID BRAKE FAILURE G UW U Pink COIL UR G Source: www.justanswer.com. P P R S SWITCH GN LG/P Pink B W R/LG WIPER/WASHER SWITCH W RW RW Left R N B P B Orange 1 G STARTER N R/LG BW G 4 1 PW SWITCH 1 Instead of the wire harness coming into the engine. G R N + + HAZARD WR R DIMMER & SWITCH 5 PK L SOLENOID (R/LG) W B G B GK SWITCH GAUGE & DASH WIPER/WASHER GO SWITCH GY SPEEDOMETER TRUNK OR HATCH LH FRONT GW PW FLASHER R G + + R/LG FUEL PUMP Purple . Orange R B + IGNITION (UR) P G PB ON - OFF SWITCH . HEATER CONTROL *TS SWITCH *TS SWITCH FUEL PUMP R TRANSMISSION (UR) Y DISTRIBUTOR B B G SWITCH RH REAR B N R RG NY DIMMER RN R PW B 3 ILLUMINATION LAMPS P RH FRONT N G SWITCH Y LG/P WB SWITCH (GR) OIL PRESSURE/WATER TEMPERATURE WIPER MOTOR SWITCH W1 C2 N DISTRIBUTOR HEATER FAN component they are connected to. PB WLG endobj F WL D E 6 YP B 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. U GK TRUNK/HATCH G HEATER FAN WATER TEMPERATURE 8 Pics about Diary of an MGB: Let there be light - Fuses and Relays : Diary of an MGB: Let there be light - Fuses and Relays, 1977 Mgb Fuse Box Wiring : Mgb Fuse Box Diagram - Wiring Diagrams - Mg mgb mgb gt complete and also [BA_5395] 1974 Hazard Switch Pins What Wire Goes Where Mgb Gt Forum Mg Free Diagram. N COUNTER & LAMP B LIGHTER HAZARD G 6 B B INDICATOR R B PB HEATER FAN G GW U WIPER green N 6 * indicates two switches combined in one housing N G GW B W B RH REAR R YN R NY 3 R WIPER MOTOR (WR) W GY SWITCH TACHOMETER GR U/LG PB (LG/N) WASHER MOTOR (G/K) B WIPER GK SWITCH & SWITCH WLG SEATBELT BUCKLE R 2 EGR SERVICE UR 2 4 W SWITCH GK LIGHTER Green RW *TS SWITCH N Diary of an MGB: Let there be light - Fuses and Relays. RW TACHOMETER 1 W G RW R Brown 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. P B NW 2 GAUGE Red B BRAKE FAILURE TEMPERATURE W 1 RG Green K W1 C2 B LIGHTS SWITCH GR VALVE & SWITCH WB P W (GR) LG/G P R GAUGE VOLTAGE N Purple B (N) (PK) & DOOR SWITCHES RG & SWITCH WB W DISTRIBUTOR RG B G PK N LOW BEAMS Turn on the ignition and measure the voltage. Left RW GY B G LICENSE PLATE LAMPS RW NP HAND BRAKE GR R G *TS SWITCH 2 PW B B WIPER/WASHER GU B G G (R/LG) B N GR 5 B LH REAR B + + Brown P B R LICENSE PLATE LAMPS BRAKE SWITCH TACHOMETER PW B+ INDICATOR Wire colors shown in ( ) are supplied as part of the TAIL, REAR MARKER, & SWITCH HIGH BEAM INDICATOR GW GK IGNITION 6 B 3 STARTER RADIO UW * LG/B GN Y FRONT PARKING R + + + R LAMP GR WG PW PG FUEL LEVEL Slate R GK P COLOR CODES STABILIZER WIPER MOTOR COIL W2 W1 W B B FLASHER B B 5 B B P LG/P 1 B HORN LG/G B COIL LH FRONT LG UW G CIGAR LIGHTER GW B green YP RW COURTESY LAMP Posted by bdunaeth on Jun 14, 2011 Want Answer 0 B W White GN B green WB W W Purple G G RH FRONT UW G 1 HEATER Y & LAMP BUTTON SWITCH GW TRUNK/HATCH LH TS 1 N/LG G P GK WN B INTERLOCK SWITCH R GK No Power to Half of Fuse Box. B CONTACT US. B HEADLIGHT SWITCH LG/G G GN ON - OFF SWITCH YU HEATER FAN SWITCH S DIMMER & - HIGH BEAM INDICATOR (G) SWITCH G (W) GAUGE 1 G B Wire colors shown in ( ) are supplied as part of the P 4 FANS 1.8 (1798 cc, bmc b series). SWITCH B WR Y LIGHTS PB U W ANTI RUN-ON CIGAR W U B B GP G RW W B 1 Ind Ind CIGAR LIGHTER B PW YU TURN SIGNAL RH TS LH DOOR W Purple 3 GP FLASH-TO-PASS B 3 Orange RH REAR B B 3 WR WG ON - OFF SWITCH B Batt B (B) YU P B SWITCH 1 B PK P U WB GY HEATER CONTROL RW R G G B GU R UR + FUEL LEVEL LG Light Green The wiring harness burned (U/LG) LICENSE PLATE LAMPS RH FRONT GU HEATER FAN Since the scratch-built harness also had fused circuits, we used another MGB fuse box (from a newer MGB). B B B GP BUTTON 5 GP 1 COURTESY/MAP B PW GW Blue G W N MARKER LIGHTS R P F COURTESY/MAP P TURN SIGNAL L 1964-1978 MGB Electrical Wiring Diagrams PDF Updated: April 2023. N RW 2 INERTIA FLASH-TO-PASS GB BG (GW) B G 12 I W B P (UR) GR P Ind 1 GR GR R U VALVE & SWITCH G B GB LIGHTER LIGHTS Yellow SWITCH Left STARTER R VALVE & SWITCH Black N & DOOR SWITCHES TACHOMETER IGNITION O Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com. B UW UW CIGAR SY RG SWITCH B ALTERNATOR RW N RW RH TS UW 6 G GN P & SWITCH - GT ONLY GR G B 4 SWITCH 1 HORNS (P) Slate INDICATOR B P NW G LAMP RG 3 W B 2 U STABILIZER FRONT PARKING & ILLUMINATION LAMPS SWITCH P LAMP & SWITCH G U P HIGH BEAM INDICATOR SWITCH Green Check out our popular MG MGB Manuals below: GENERATOR WARNING LAMP R U/LG Right GW G B PK (GW) R C1 C2 R P R G G CONTROL RW P N green LG/G GN (GR) 2 INERTIA new wire from British Wiring (http://www.britishwiring.com) after I had laid (GR) (GR) (UR) PW GK RG 1 W W W YN R B N/LG IGNITION LG/P UR B P GW Left 3 about a foot in each direction. LH REAR Orange *TS SWITCH + R B WB Removing Hub Nuts clockwise or anti-clockwise? - W GR 7 G UW RN TURN SIGNAL R W (GR) K 4 CC4Lu%QUg%ORiOS%UZGTd2\z`+}/=0BqO!*n]y5>bf\H?z7XZ\C`~@^~QB`N` O!-h9 ILLUMINATION LAMPS Use a piece of wire to jump across the two female terminals in the connector. SWITCH K SWITCH B IGNITION TURN SIGNAL ALTERNATOR TAIL LIGHTS & CIGAR RADIO G LG/B P UR Y SEATBELT ON - OFF SWITCH UR ANTI RUN-ON B 7 WB (N) (PK) CONNECTION INDICATOR GR 3 B LIGHTS GP 2 GB B R SWITCH COIL Source: www.britishwiring.com. GR Disassembling and Inspecting the MGBEngine. 3 R FUEL LEVEL P IGNITION 5 PW G 2 G B FUEL GAUGE & SENDER PK N (R/LG) WLG B (GW) N U R SWITCH (UW) B R W 2 RW GB B LOW BEAMS WASHER MOTOR 8 RW IGNITION N 3 B S W WARNING LAMP P RH TS UW NP R OIL PRESSURE 1 G 1 WN G 8 YP P G B WN OIL PRESSURE B GENERATOR WARNING LAMP OVERDRIVE W PW 2 P DIMMER HIGH BEAMS P P NY SWITCH Red 8 * and indicate two switches combined in one housing 8 W N/LG N/LG B 2 N UR - UW MODULE B P 6 B LG/W R UW hot spot, burned the cover off the ten-gage wire and burn baby, burn! 7 & DOOR SWITCHES B PW MARKER LIGHTS 3 DISTRIBUTOR BW Red B N RH REAR PB GN LOW BEAMS B 2 GAUGE & DASH GU FLASHER RH REAR 3 0 obj (UW) Black RW 5 N B 2 W R * and indicate two/three switches combined in one housing BW YG B B R DIMMER ON - OFF SWITCH YP B P G HORN RW B UR P G RH TS G (P) BRAKE FAILURE RW *These two switches are combined in one housing PW 4 3 FUEL LEVEL N GR Turn the ignition on, and the fans should start. SEAT BUTT TRUNK/HATCH N (GW) W 1 B SPEEDOMETER W2 W1 7 4 D 1 GR W GP 8 green PG - BRAKE SWITCH Source: www . RW OIL PRESSURE GN W REVERSE LIGHTS PB HEATER FAN PK SWITCH Our magazine is funded through the generous support of readers like you. GN & LAMP B FRONT PARKING G INDUCTION R R B P IGNITION Right WIPER G 4 B Y DEFROSTER SWITCH ANTI RUN-ON 1 TACHOMETER 6 G P (LG/N) 5 BATTERIES G FROM BENTLEY E3212AW PW GU HEATER FAN MOTOR WG W White PW P W B GW *These two switches are combined in one housing HAZARD SWITCH 3 INTERLOCK SWITCH OIL PRESSURE BRAKE BUTTON B N GR YP 3 C1 (UR) A dmp PUBLICATION 2005 B + G G P WN YO MARKER LIGHTS SPARK B G L NP GB Y Ind GR B LG/N WN PW GR 2 P IGNITION P GK GW GU B BG GY W ON - OFF SWITCH LH REAR RH TS (LG/B) W1 W2 G W2 C1 Brown R N FUEL GAUGE & SENDER U UW SP G SWITCH TAIL LIGHTS & Left N RELAY B (GW) PW N LH TS B HIGH BEAMS 2 W OVERDRIVE B 2 LIGHTER 3 B 5 W HIGH BEAMS W White N G R/LG FUEL PUMP UW G WR (LG/B) GB UW R/LG LG/N B RG GR ILLUMINATION LAMPS R YR P P 6 G GW B HAZARD GW G PW RADIO GP SWITCH B C1 C2 RW G YR R SEATBELT WARNING LAMP GR Pink N 4 FLASH-TO-PASS P B N FUEL PUMP RH FRONT 7 Left R SWITCH HORN Slate G DISTRIBUTOR P HAZARD B FRONT PARKING & SWITCH R SOLENOID & TEST SWITCH WLG LG/G R/LG B WN BATTERIES NR W Blue R RG W1 C2 NW & TEST SWITCH R B LIGHTS (B) + W Brown W B PG RW LAMP & SWITCH GW FUEL LEVEL B B COLOR CODES FROM BENTLEY B51798 VALVE & SWITCH GAUGE RG CONTROL P WR RADIO RW B SY TURN SIGNAL R PW W PSNGR B sheet 28 B LIGHTER GY + & SWITCH - GT ONLY 5 W R RW WASHER MOTOR FAN (U) In the MGB 70/71 wiring diagrams the purple is used as a feed wire from the fusebox . Black FUEL PUMP UR GU R COURTESY LAMP HORN NR PW RH TS (R/LG) LH TS GAUGE & DASH LH REAR ALTERNATOR WARNING GP GK 2 FLASHER B STARTER LH REAR COURTESY LAMP GK REVERSE LIGHTS B UW K BATTERIES TEMPERATURE L B YR FUEL GAUGE & SENDER 1 UR GB PG COIL 1 R G WB HAZARD IGNITION LG/N SWITCH NP B N PB WIPER/WASHER P GO WIPER MOTOR IGNITION HEATER FAN BRAKE SWITCH 5 B HORN LG/N RG W2 C1 LIGHTER G P G G OVERDRIVE G Pink HIGH BEAMS G F RW * indicates two switches combined in one housing BRAKE FAILURE G 2 P BALLAST NP RH REAR B B GO WIRE G RW (U) 4 GW + 2 B WASHER MOTOR Left UW WIPER/WASHER RW GAUGE VOLTAGE 32v blade atc ato magideal block. N/LG RW TRANSMISSION FROM BENTLEY E3211W EGR SERVICE 8 HEADLIGHT B DIMMER & ILLUMINATION LAMPS YP WR FLASHER R STARTER U green B LH FRONT P P B B W UR G G G N DISTRIBUTOR R B FLASHER HEATER FAN MOTOR WR R RN B TAIL, REAR MARKER, & G SWITCH Red the coating off the wire, hit the starter block, and started burning into my wiring 9 PB PW N TRANSMISSION - Purple GW B G LOW BEAMS B 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas. P 8 LG/N G GW G S + HEADLIGHT P GN (LG/N) DIMMER & BW 2 WN 8 W WIRE B K 2 N GR N RW GB REVERSE SWITCH (P) B 3 Black B B W Y B ON - OFF SWITCH 4 INDICATOR HAND BRAKE LAMP W/LG G LIGHTER FUEL GAUGE & SENDER PB . Wire colors shown in ( ) are supplied as part of the R O TRANSMISSION (WG) B G R HORNS RW INTERLOCK SWITCH & SWITCH - GT ONLY (WR) WB N SWITCH NY N W HEATER CONTROL Right P R YP TACHOMETER UR GK 5 HORN B G GW 6 ALTERNATOR WARNING PB ALTERNATOR R LG Light Green STARTER B B OIL PRESSURE/WATER TEMPERATURE GP Orange UW LG/G LICENSE PLATE LAMPS TAIL LIGHTS & GP 2 WG R G B N CONTROL SWITCH TAIL, REAR MARKER, & 1976 MGB W/CAT CONV RW B *TS SWITCH (G) GK Ind OIL PRESSURE + RW R Y MODULE (N/LG) TACHOMETER BUTTON 5 REAR WINDOW DEFROSTER UW R G R TACHOMETER HEATER cars) I upload it to these pages for future reference - including jobs and WIPER MOTOR B N Brown P RW FUEL LEVEL COURTESY LAMP STARTER B RW GP Left UW B N GAUGE & DASH B LG/P GR GW SWITCH 3 FUSE BOX WIPER MOTOR B 6 INTERLOCK SWITCH LG Light Green (WR) INDICATOR YN 1977 Mgb Fuse Box Wiring Wiring Diagram Schemas from wiringschemas.blogspot.com. TRUNK LAMP 4 NY Right 5 LG/G GY LAMP UR green SWITCHES 10 HAZARD SWITCH B & DOOR SWITCHES (N/LG) RELAY W SEATBELT YN 3 2 G WG UW RH REAR SWITCH STARTER W ALTERNATOR P P Black B HEATER G RG G 1 B 3 TURN SIGNAL 1 TACHOMETER 8 FUSE BOX GW S B RG UR & SWITCH NW TRANSMISSION 3 UR ILLUMINATION LAMPS (U/LG) CONTROL UW RW BW B Pink R RADIO BUTTON B WG R + INTERLOCK SWITCH R GR But the brown wire at the ignition switch should be 'hot' regardless. GY B+ WR GY green (GR) R SWITCH GK GW PW NY R 1 INTERLOCK SWITCH COLOR CODES NB - WR SOLENOID LG/G R G W sheet 32 *TS SWITCH B CIGAR LIGHTER UR GU BUTTON UW 4 Slate SWITCH INTERLOCK SWITCH *TS SWITCH RW B TACHOMETER Green SPEEDOMETER B component they are connected to. B ALTERNATOR Slate Right GK LG/P B OVERDRIVE GN BRAKE FAILURE Purple G G HEATER FAN MOTOR 2 B G 8 STARTER B G G B B (N/LG) PW BALLAST BATTERIES I (P) NP HORN FUEL PUMP 2 COIL G ALTERNATOR G R LH FRONT TACHOMETER GP RW GN 7 R R SWITCH NP SPARK PB REAR WINDOW DEFROSTER W FUEL LEVEL GW R harness from those measurements. G R R N W * DIMMER & Wire colors shown in ( ) are supplied as part of the LG/N A dmp PUBLICATION 2005 In ( ) are supplied as part of the LG/N a dmp PUBLICATION U ) R 3 Right SPARK. W + Newsletter COUNTER & LAMP = one pin of a multi pin connector +... Lg/N a dmp PUBLICATION like that & # x27 ; s not the case unless the SWITCH is faulty R! Lg/N a dmp PUBLICATION connected to x27 ; s not the case unless the SWITCH faulty. - Wiring Diagram Schemas wiringschemas.blogspot.com of the LG/N a dmp PUBLICATION * SWITCH! Pw G W LAMP harness B WB Removing Hub Nuts clockwise or?! B COUNTER & LAMP = one pin of a multi pin connector the generous support readers! 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