RESISTOR HEATER FAN PB LIGHTS B COURTESY LAMP G G Y HIGH BEAM INDICATOR U 1 Purple 3 G DISTRIBUTOR 2 B N SPEEDOMETER WB WIPER MOTOR LG/N FLASHER 6 LIGHTS B BG R (U/LG) PB N B G B R GN Pink R O B N N B LG/N B 2 G P WATER TEMPERATURE * LH FRONT 7 CLOCK TACHOMETER PW TRANSMISSION HIGH BEAM INDICATOR Roadster Y F GP B G HEATER STARTER FLASHER DIMMER & BG 3 & DOOR SWITCHES HIGH BEAM INDICATOR N G WIPER WIPER/WASHER G B CONTACT US. NP B W SEATBELT WIPER MOTOR SWITCH N RW GB SWITCH LG/G 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 RW 1 R LH REAR GN L N LAMP TACHOMETER PK GP G GAUGE VOLTAGE R RW N LH REAR BRAKE FAILURE SWITCH ON - OFF SWITCH Right R G component they are connected to. RADIO UR B TACHOMETER LAMP RG B (U/LG) K Ind 8 HORN B P FUSE BOX GW P UR B B W B W SP 2 G - SEATBELT BUCKLE GN LH TS W W G * G (S) RH FRONT B 5 (U) BATTERIES Explore interactive fuse box and relay diagrams for the MG MGB. RELAY 1 R Slate GO G B Left B+ F WL D E PG B P LH FRONT N + SWITCH U HEATER FAN MOTOR cars) I upload it to these pages for future reference - including jobs and W TEMP GAUGE & SENDER R O 1 LH REAR B UR (U) GAUGE VOLTAGE GAUGE VOLTAGE LG/P (LG/B) R COIL YN GW RW GN Y MODULE GAUGE & DASH LH FRONT INDICATOR Y Black P 5 *TS SWITCH WG HAZARD GAUGE RH FRONT Y (GW) 2 N 4 DISTRIBUTOR R Yellow W LG Light Green OVERDRIVE P RW ALTERNATOR GR G 2 R/LG LICENSE PLATE LAMPS W LG Light Green FRONT PARKING BATTERIES IGNITION LG/G 1 B WB IGNITION - G G REVERSE LIGHTS BUTTON 1 UW B GAUGE & DASH Pink B & INDICATOR (GT only) STARTER B green SWITCH B GR green SWITCH R GP LG/N UW SPEEDOMETER B MODULE G R/LG G HEADLIGHT B B LICENSE PLATE LAMPS (GR) INDICATOR 4 U UR R W White P 4 Some of the wires I upgraded OVERDRIVE U/LG SWITCH P (WG) PB BG (P) W P UW 2 P GN CIGAR LIGHTER B WG IGNITION WLG P R (U) RW green * DIMMER & R TACHOMETER GR PG P 3 PB IGNITION 3 RN Batt + + NR G GR A dmp PUBLICATION 2005 FANS RW 5 (UW) B R FUEL LEVEL ON - OFF SWITCH BRAKE SWITCH (GK) R/LG W (N/LG) P B GK RW N G 4 G W R 2003 2010 bmw 5 series e60 e61 fuse box diagram fuse box on the dashboard k6 relay headlight washer k93 relay electronic damper control as o. P G G SIDE MARKERS LG/G NP HAZARD U WR 6 B G G INDICATOR GK LG/G (W) HAZARD 2 G W White SWITCH P 8 YN GP B R DRIVER YP 4 W DIAGRAM 2 - 64/67 MGB TURN SIGNAL GW 6 RG G YR GN P RADIO P G RG R Y Right R = one pin of a multi pin connector. RW (N/LG) DISTRIBUTOR R P OIL PRESSURE/WATER TEMPERATURE UW (R/LG) N Wire colors shown in ( ) are supplied as part of the YP CONTROL 3 BRAKE FAILURE GW 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. R B GW B + B TACHOMETER UW 7 (WG) 1 LG/G WB RG ILLUMINATION LAMPS Left G N R GW B HEATER CONTROL O HEATER CONTROL LAMP & SWITCH *TS SWITCH G FUEL GAUGE & SENDER SWITCH UW WG 3 LH FRONT G P B G W GN YK P LG/G G GAUGE & DASH R U UR BG GW SOLENOID GR P GY NW ON - OFF SWITCH N/LG N U/LG GW W N/LG RADIO GW SEATBELT REGULATOR (W) ON - OFF SWITCH R WN 1 PB R B FRONT PARKING & 3 B STARTER SWITCH WR (B) HEATER FAN 1974 - 1975 MODELS WITH SEAT N RW 2 LH REAR B TACHOMETER GK SWITCH W GAUGE VOLTAGE green B B P R PB LAMP & SWITCH LH FRONT GP TRUNK/HATCH OIL PRESSURE G FRONT PARKING CIGAR B UR B & DOOR SWITCHES FUEL LEVEL B I laid the wiring harness out on my work bench, measured the distance from where I sheet 23 THERMOSTAT B WIRE + (GR) G G S HORNS B Green G N RH REAR PW * indicates two switches combined in one housing 2 UW PB ON - OFF SWITCH 1 2 wiring kit. RW RH TS R TACHOMETER 5 G 3 BW ALTERNATOR B R W P GW P G GY 6 TAIL, REAR MARKER, & W G RH TS GP SPEEDOMETER L HORN RW Black B Turn the ignition on, and the fans should start. YP L SEATBELT P TAIL, REAR MARKER, & FROM BENTLEY E2235W 7 W Green WASHER MOTOR WN G B W (N/LG) 7 HAZARD LH TS FRONT PARKING P OIL PRESSURE GU WG B G GR 1 N YP RG BG B R GP = one pin of a multi pin connector. W Removing Hub Nuts clockwise or anti-clockwise? OIL PRESSURE P N B R I N N ALTERNATOR WARNING When one of these fuses blew the other day while driving I lost almost all of my systems. YP B 2 W U W UR R LG/B CIGAR Y N Y 4 P UW B N B * LG/N BRAKE SWITCH HORNS RW G COLOR CODES GK MODULE HEATER FAN (UW) COIL RG * DIMMER & G G BG GR CIGAR LIGHTER 1 GAUGE VOLTAGE Y 2 SEATBELT BUCKLE UR HAND BRAKE P PW W RW U HIGH BEAMS G W OVERDRIVE BALLAST UR GN Yellow - SWITCH LOW BEAMS SWITCH B LAMP B 4 SWITCH TRUNK/HATCH N N TRUNK LAMP G R GENERATOR WARNING LAMP DISTRIBUTOR SWITCH LH FRONT RH FRONT P 1978 & LATER MGB 1 Green SWITCH MARKER LIGHTS G P Mgb Fuse Box Diagram - Wiring Diagrams cars-wiringdiagram.blogspot.com. GN R LG/P WB G GR P R GN B GW INDICATOR B + 1977 Mgb Fuse Box Wiring - Wiring Diagram Schemas wiringschemas.blogspot.com mgb fuse OVERDRIVE SOLENOID R FUSE BOX COIL Purple Wiring and Fusing - BS-AU7 Colour Codes In the United Kingdom the British Standard BS-AU7 determines colour coding of automobile wiring. P N SWITCH & LAMP SWITCH (G/K) G PB SWITCH FLASHER N B RG green Enter your email address to follow this website and receive notifications of new posts by email. 8 HIGH BEAM INDICATOR B RW 3 GK G WU 2 N HEATER FAN RW HEATER CONTROL O P PW PG 3 B (B) SWITCH RW GB (LG/N) B TACHOMETER P K W1 C2 B OVERDRIVE RW GW HEATER FAN MOTOR GR TAIL, REAR MARKER, & K HEATER FAN MOTOR Green Pink YP R 1 GW WU FLASHER 5 WU Yellow & DOOR SWITCHES ALTERNATOR WARNING RW W 4 YP R OVERDRIVE GR GW RW U CONTROL Y COIL Left GAUGE YN RH REAR + & DOOR SWITCHES B G Green *These two switches are combined in one housing G Wiring Diagrams for MGB, MGC Click links for 33 different wiring diagrams for MGB and MGC, large format in color. NP B LG/B Left LAMP B G 1 2 P R G OVERDRIVE RW 1976 MGB W/O CAT CONV LG/Y 2 HAZARD FLASHER R N RW 5 G B LIGHTS W UW Yellow = one pin of a multi pin connector. B LG/P 1 SY GK B ILLUMINATION LAMPS Right W * indicates two switches combined in one housing B 6 PW B GR RW LG/P * FLASH-TO-PASS P GAUGE W (U) B PG PW N GAUGE ILLUMINATION LAMPS DRIVER FRONT PARKING R W P F green W White LG/G G 8 Slate R FUEL GAUGE & SENDER LAMP RG *These two switches are combined in one housing N/LG G NP B RW RW G FLASHER UW SEATBELT U Brown B COURTESY/MAP G RG 4 B W P B W White PB NY G green N + 2 G P LIGHTS RG N INDICATOR 7 RH REAR LG/G GW B = one pin of a multi pin connector. TAIL, REAR MARKER, & R GB B UW GR GW green P G GR 6 RELAY FLASHER FUEL PUMP 3 WB DIMMER RELAY 73/74 UK MARKET MGB N SEATBELT LH DOOR WR G WASHER MOTOR N O UR G HAZARD G RW W 5 WR UR HEATER FAN MOTOR 3 WR CIGAR LIGHTER *TS SWITCH R SWITCH GR UR I RG I 3 W/LG GR STARTER W UW DISTRIBUTOR G LH FRONT B W FUEL PUMP G WIPER MOTOR B TAIL, REAR MARKER, & 5 W (R/LG) SWITCH green GW L GN P W (N/LG) CIGAR LIGHTER G B Slate P UW 4 WG HAZARD SWITCH TEMPERATURE N Right GK 3 OVERDRIVE SOLENOID G P OVERDRIVE *TS SWITCH FRONT PARKING STARTER TACHOMETER W PK FUEL PUMP B B W White HIGH BEAMS WN N (LG/N) P SPEEDOMETER G LIGHTER = one pin of a multi pin connector. HEATER CONTROL RW SP B B N G COLOR CODES N YO REVERSE LIGHTS HORNS B B FLASHER R 2 GW GN GR CONTROL TACHOMETER G P W G WB RW P NY RH REAR GY PB HEADLIGHT TAIL LIGHTS & LG/N R W DIMMER B W White U/LG Brown Black LICENSE PLATE LAMPS LAMP & SWITCH DISTRIBUTOR SP U/LG WN 1 Left GR N THERMOSTAT B WASHER MOTOR R B G P G & SWITCH G R B O Green GK N G GK YK GR DIMMER RW SWITCH W W 2 G WB G *TS SWITCH FUEL LEVEL PB SP I 3 BRAKE W N GK G W N WN GAUGE & DASH HAZARD Wire colors shown in ( ) are supplied as part of the 6 R B FROM LATE BENTLEY W1 C2 * FLASH-TO-PASS Pink LIGHT/SWITCH 3 HIGH BEAM INDICATOR FLASHER B RADIO CIGAR LIGHTER YR INDUCTION SEATBELT BUCKLE SWITCH I FLASHER & DOOR SWITCHES WIPER/WASHER G C1 C2 Purple 6 U I 6 WG GP TEMP G 4 P NY G sheet 5 SOLENOID * DIMMER & MGC - US MARKET W P G GB N PW G DIMMER ALTERNATOR WARNING B & SWITCH GO G P GAUGE VOLTAGE R RG YR 3 U/LG UR GW 8 WB R GR sheet 9 2 W + SWITCH B G Green 1 LH FRONT mods I do on my own MGB. hope you find them useful. SEATBELT WARNING LAMP YK LAMP Y (R/LG) RH TS B GN HAZARD B * PW RG G Orange RH TS LG/N B YP 8 B R * and indicate two switches combined in one housing * indicates two switches combined in one housing L R B Yellow B GK G N G ILLUMINATION LAMPS GK <> P HEADLIGHT 2 W F+ Ind RW Red B RG R OIL PRESSURE FLASHER RW WG WR U Left Blue GW STARTER LG/N Wire colors shown in ( ) are supplied as part of the G OVERDRIVE B But the brown wire at the ignition switch should be 'hot' regardless. SOLENOID P *TS SWITCH STARTER DISTRIBUTOR LG/B P HAZARD + Orange RESISTOR *TS SWITCH GN Left BW N TAIL LIGHTS & RW PW P green PG W2 W1 GN FUEL PUMP PW C1 C2 RW B GB 2 TURN SIGNAL (GW) P green LAMP B B & DOOR SWITCHES 3 R PB These PDF files can print full size on 11" x 17" paper. RW B RH FRONT UW SEAT SWITCHES N Blue PB P TRANSMISSION G UR GP G R GW WB P U Left R/LG B 1 0 obj B HORN SOLENOID 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. GP HEATER CONTROL Left 5 RG G - G R R G GN (G/K) GR N (GW) YN Left N Remove from terminal #5 of the fuse box (hot side) the connector with the white/brown wires on it. Blue MOTOR N/LG 6 ALTERNATOR WARNING White G LH FRONT L R 1 UW NY WB + B+ SWITCH GY GK Orange UW YR W GW GR N G MARKER LIGHTS GW N B GR B R RW RW GR Posted by bdunaeth on Jun 14, 2011 Want Answer 0 SEATBELT GB GR P UW FUEL GAUGE & SENDER Web 1978 mgb engine wiring harness. (W) DIAGRAM 1 - 62/64 MGB LIGHTS LOW BEAMS RH FRONT 8 (N/LG) COIL HIGH BEAMS R 5N PK B Y FLASHER UW G VALVE & SWITCH HEATER Y GW GY RADIO (LG/B) FUEL PUMP B I UR STARTER LG/N 6 TURN SIGNAL UR GW STABILIZER TAIL LIGHTS & 3 LG/G B FUEL GAUGE & SENDER U/LG RW 3 B C1 HIGH BEAM INDICATOR R NW W 4 B N SWITCH & LAMP RW G = one pin of a multi pin connector. GO TACHOMETER A dmp PUBLICATION 2005 2 YU WB WIPER/WASHER R G W P PW WASHER MOTOR A useful resource showing wiring diagrams across all the years of mgb manufacture. GW IGNITION B W GW WN P (LG/B) GR W FUEL GAUGE & SENDER F Comments are closed. BUTTON CLOCK W R (UR) G Right YN G G HEATER FAN LG/P R Red Fuse Blocks. SWITCH - green WIPER/WASHER GP GP G UR TURN SIGNAL B B B GO Orange 2 R 8 B W LG/W GP Left R NY G RG STARTER BG LAMP CIGAR G COURTESY LAMP O (P) G (B) LG/N NY (UR) FUEL GAUGE & SENDER SPEEDOMETER & DOOR SWITCHES Ill send the PDF straight away. B W GK N GAUGE YR RADIO R RG WU U UR Left UW WATER TEMPERATURE PG W STARTER C1 C2 GK R G UW GW 11 L (GW) everything out for the front part of the wiring harness. SWITCH YR 2 B WN B - TRANSMISSION R NP HEATER * 1975 MGB W/PERIOD WARNING G B R HORNS GP P STARTER (U) GK STARTER (GW) ALTERNATOR WARNING & SWITCH - GT ONLY - GP CONNECTION YP N G SPEEDOMETER TURN SIGNAL green R GP CONNECTION HORNS COIL Purple DIAGRAM 3 - 67/68 MGB GW P G GR N 3 PW UR B N G A dmp PUBLICATION 2005 RH REAR N DISTRIBUTOR LG/G 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. Black GY R CONTROL B BRAKE SWITCH G P RG (N) (PK) G N N G Purple Orange G SWITCH W CIGAR LIGHTER G (U/LG) N GO (B) LG/G *HORN I PW LG/N P B 3 P 3 GP GW Y 5 RW PW 1 R W IGNITION VALVE & SWITCH G S P 2 O GY B U/LG Green G REVERSE LIGHTS TACHOMETER Blue I opened the hood (bonnet) and saw that the wire running across the engine had hit a K 5 GK LG/P WN 5 UW R G 5 4 P R B 1 SWITCH 3 FUEL PUMP HIGH BEAM INDICATOR BRAKE FAILURE IGNITION 4 G R FUEL LEVEL (LG/N) GW G P 1 N DIMMER & UR HAND BRAKE LG/G RW 2 B DIMMER B RG B 5 P BATTERIES Red sheet 19 W LG/P B N W Slate 8 G PW P 1 N (S) GN HORN Purple R 4 G B GAUGE (UR) UR YR (U) G W2 W1 B RW & SWITCH - GT ONLY P INDICATOR GK Right U OIL PRESSURE GW HORN N LG/N Several MGB enthusiasts have recommended that an in-line fuse should be added to the shift lever mounted switch overdrive wiring. PW U W W N WIPER/WASHER R 0 Response to "1973 Mg Mgb Wiring Diagram Schematic" Post a Comment. R B P TAIL LIGHTS & DIMMER & Right DIAGRAM 14 - 72/73 MGB FUEL LEVEL RW 2 R PB FLASH-TO-PASS HEATER CONTROL RW 8 Y YP R LIGHTS G TAIL LIGHTS & component they are connected to. B B U/LG R FROM BENTLEY 3NB064 LAMP SPEEDOMETER P 1 GR G OIL PRESSURE/WATER TEMPERATURE IGNITION Slate G W UR GO N Purple 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. G (GW) HEADLIGHT Right INTERLOCK SWITCH Web 1977 mg mgb wiring diagrams the insulated live lead from the battery tends not to suffer from corrosion as much as the earth lead does,. 3 LG/W GR RW GK 8 COLOR CODES 1 INTERLOCK SWITCH G green W PG I *These two switches are combined in one housing G B RH REAR 2 R S N TRUNK OR HATCH A dmp PUBLICATION 2005 N/LG U green RW (W) VALVE & SWITCH B + 7 B 1 CIGAR G N (LG/N) SWITCH *TS SWITCH SWITCH GK (LG/N) RELAY 2 BATTERY G ALTERNATOR WARNING SWITCH PW PG P ANTI RUN-ON U (W) OVERDRIVE BW & DOOR SWITCHES LIGHTER ON - OFF SWITCH W RG B B B G HIGH BEAMS G LICENSE PLATE LAMPS PW TACHOMETER RW 2 BRAKE SWITCH GAUGE VOLTAGE INDUCTION N UR WIPER LG/N LG/N B GB N/LG + Slate RH TS GN RW GB LG Light Green LH REAR G 2 GN R SOLENOID WIPER/WASHER G LH REAR 8 NY CIGAR LIGHTER B SWITCH R R GN sheet 33 (N/LG) BRAKE WN 4 TACHOMETER 7 LG/G 6 NY FUEL GAUGE & SENDER R D GW YR G P IGNITION G Brown 1 N N B Purple N B GP PW B GY P wanted the connection to the new fuse box under the dash, and built the wiring N/LG ILLUMINATION LAMPS N + GW Ind Ind DISTRIBUTOR N 1 LIGHT/SWITCH LG/G G 1 FLASHER N 5 CIGAR LIGHTER CONTROL HIGH BEAMS R B Orange W B STARTER R R N UW G DIMMER LAMP & SWITCHES TEMP GAUGE & SENDER LH REAR P CONTROL WLG B+ SWITCH STARTER GB RELAY 1 NP TEMP GAUGE & SENDER RW RH TS 5 GAUGE VOLTAGE G SPARK ADVANCE B 3 UR Get your hands on the complete mg factory workshop software 9. 1 B TEMP GAUGE & SENDER DISTRIBUTOR SWITCH SWITCH CIGAR 4 + (LG/N) SWITCH 8 1 G SPEEDOMETER 3 YR RG RW Red W G Show full PDF. P INTERLOCK SWITCH G R RW 3 BO B IGNITION WB RW + W GP G green B - LG/G GO P B N 8 B W COURTESY/MAP G BG Y HORN YP G ON - OFF SWITCH PB W HEATER CONTROL RW = one pin of a multi pin connector. Mgb fuse. FUEL PUMP WR Get your hands on the complete MG factory workshop software . P cars) I upload it to these pages for future reference - including jobs and ILLUMINATION LAMPS N W R B 1 TURN SIGNAL B WR 1 & SWITCH WG GR LH FRONT R * and indicate two switches combined in one housing WB RH TS Slate B Testing battery and charging system. HIGH BEAMS (N) (PK) B WB VALVE & SWITCH UW Right GAUGE VOLTAGE 8 RELAY B RH FRONT GP CONNECTION PW R - HORNS G G fuel pump relay. G G 2 W HEADLIGHT G RG G C1 C2 WIPER/WASHER GR N G G GN GK 5 & SWITCH - GT ONLY UW GP LH TS SPARK ADVANCE (GK) GW G Purple P W Slate PW GR B LH TS B SWITCH G W 3 SWITCH N N B (UW) UW BRAKE SWITCH DIMMER + OVERDRIVE B GW HAZARD