Volkswagen Golf Mk3 (1991-2000) (on engine block) Wiring diagrams

ABS CONTROL MODULE W/ EDL (LEFT SIDE OF ENG COMPT) ABS FUSE HOLDER (LEFT SIDE OF ENGINE COMPARTMENT) ABS HYDRAULIC PUMP ABS WARNING LIGHT BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (ABOVE FUSE/ RELAY PANEL) DIFFERENTIAL LOCK VALVE 1 DIFFERENTIAL LOCK VALVE 2 FUSE 1 FUSE 2 FUSE 20 FUSE 4 FUSE/ RELAY BOX FUSE/ RELAY BOX FUSE 16 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT W/ UNLOADER RELAY ENERGIZED LEFT FRONT ABS INLET VALVE LEFT FRONT ABS OUTLET VALVE LEFT FRONT ABS WHEEL SPEED SENSOR LEFT REAR ABS INLET VALVE LEFT REAR ABS OUTLET VALVE LEFT REAR ABS WHEEL SPEED SENSOR NCA WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT FRONT ABS INLET VALVE RIGHT FRONT ABS OUTLET VALVE RIGHT FRONT ABS WHEEL SPEED SENSOR RIGHT REAR ABS INLET VALVE RIGHT REAR ABS OUTLET VALVE RIGHT REAR ABS WHEEL SPEED SENSOR STOP LIGHT SWITCH WHT WIRE YEL/RED WIRE

ABS CONTROL MODULE (W/ EDL) AIRBAG CONTROL MODULE BRN WIRE DATA LINK CONNECTOR WIRE CONNECTOR (ABOVE FUSE/ RELAY PANEL) FUSE 22 FUSE/ RELAY PANEL (BELOW LEFT DASH) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES MOTRONIC ENGINE CONTROL MODULE (CENTER REAR OF ENGINE COMPARTMENT) ON BOARD DIAGNOSTIC (OBD-II) CONNECTOR Q/1 Q/3 RED WIRE RED/WHT WIRE TRANSMISSION CONTROL MODULE WHT WIRE YEL WIRE Z/2

BACK- UP LIGHT BACK-UP LIGHTS CIRCUIT BATTERY BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRAKE LIGHT BRAKE LIGHT SWITCH (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/WHT WIRE E/3 E/4 FUSE 20 FUSE 3 FUSE 7 FUSE 8 FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHT SWITCH J/4 K/10 K/2 K/3 K/4 K/5 LEFT FRONT PARK/TURN SIGNAL LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT LICENSE PLATE LIGHT LEFT TAILLIGHT BULB HOLDER OFF PARK HEAD P/6 R/2 R/5 R/6 R/7 RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT LICENSE PLATE LIGHT TAIL LIGHTS TURN SIGNAL LIGHT W/4 Y/3

ALARM SYSTEM CONTROL MODULE (BEHIND LEFT SIDE OF DASH, ABOVE FUSE/ RELAY PANEL) BACK- UP LIGHT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/WHT/GRN WIRE BRAKE LIGHT BRN WIRE BRN/WHT WIRE EMERGENCY FLASHER RELAY EMERGENCY FLASHER SWITCH EMERGENCY FLASHER WARNING LIGHT FUSE 17 FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRY/RED WIRE HEADLIGHT/DIMMER FLASHER/SWITCH HIGH MOUNT BRAKE LIGHT HOT IN ON OR START INSTRUMENT CLUSTER J/8 K/1 K/7 LEFT LEFT TURN SIGNAL OFF RED/YEL WIRE RIGHT RIGHT FRONT PARK/TURN SIGNAL LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT TAILLIGHT BULB HOLDER RIGHT TURN SIGNAL TAIL LIGHTS TURN SIGNAL LIGHT TURN SIGNAL SWITCH WHT WIRE WHT/YEL WIRE YEL WIRE

1.9L 1998 ONLY 1998-99 2.0L 2.0L ONLY 2.8L 2.8L 2.0L 2.8L: IGNI- TION COIL; 2.0L: IGNI- TION COIL POWER OUT- PUT STAGE 3 1 (2.8L) (2.0L) ABS CONTROL MODULE ANTI-THEFT ENGINE DISABLE RELAY 1 AUTOMATIC TRANSMISSION CONSOLE LIGHT (W/ A/T) BLK WIRE BLK/VIO WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH BRN WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CABRIO CABRIO/GOLF/ JETTA ONLY CAMSHAFT POSITION SENSOR CONTROL MODULE WITH DISPLAY UNIT INSTRU- MENT CLUSTER CONTROL MODULE WITH DISPLAY UNIT INSTRUMENT CLUSTER COOLANT FAN COOLANT FAN (2.8L, CABRIO, W/ A/C) ENGINE COOLANT LEVEL SENSOR EX CABRIO FRESH AIR/ RECIRCU- LATING FLAP TWO- WAY VALVE (2.8L, CABRIO, W/ A/C) FRESH AIR/ RECIRCULATING FLAP TWO- WAY VALVE (W/ A/C EX 2.8L, CABRIO) FROM BATTERY (DIAGRAM 1 OF 4) FROM FUSE/RELAY PANEL (DIAGRAM 1 OF 4) FRONT SIDE MARKER LIGHTS FUEL LEVEL SENDER FUEL LEVEL SENSOR GASOLINE GLOW PLUG RELAY GRN WIRE GRY/BLU WIRE GTI ONLY HEATED OXYGEN SENSOR 1 SHIELD HEATED OXYGEN SENSOR 2 SHIELD (2.8L ONLY) HEATED OXYGEN SENSOR 2 SHIELD HOOD ALARM SWITCH ALARM HORN KICK DOWN SWITCH (W/ A/T) PARK/ NEUTRAL POSITION RELAY (W/ A/T) KNOCK SENSOR 1 SHIELDS KNOCK SENSOR 2 SHIELDS (2.8L ONLY) KNOCK SENSOR 2 (2.8 ONLY) KNOCK SENSOR 1 ENGINE SPEED SENSOR LEFT FOG LIGHT LEFT FRONT PARK/ TURN SIGNAL LIGHT LEFT HEAD LIGHT RIGHT HEAD LIGHT LEFT HEADLIGHTS LOW LOW HIGH M/6 MASS AIR FLOW SENSOR MO- TRONIC ENGINE CONTROL MODULE MOTRONIC ENGINE CONTROL MODULE MULTI- FUNCTION INDICATOR MODE SELECT SWITCH (JETTA) MULTI- FUNCTION TRANS- MISSION RANGE SWITCH (W/ A/T) NCA WIRE RED WIRE RIGHT FOG LIGHT RIGHT FRONT PARK/ TURN SIGNAL LIGHT RIGHT HEADLIGHTS RIGHT SEAT BELT MODULE (2.0L ONLY) HEATED OXYGEN SENSOR 1 SHIELD SECONDARY AIR INJECTION PUMP MOTOR SPEED- OMETER VEHICLE SPEED SENSOR (A/T ONLY) SPEED- OMETER VEHICLE SPEED SENSOR ENGINE COOLANT TEMPERATURE SENSOR TRANS- MISSION CONTROL MODULE (W/ A/T) WHT WIRE

ALL OTHERS BATTERY BELOW PARKING BRAKE LEVER) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/WHT WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR CAP) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE C/1 DAYTIME RUNNING LIGHTS SWITCH-ON RELAY DIMMER DISPLAY UNIT CONTROL MODULE FLASH HI FOG LIGHT IND FOG LIGHT RELAY FOG LIGHT SWITCH FUSE 1 FUSE 2 FUSE 10 FUSE 11 FUSE 12 FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE GTI US ONLY GTI US ONLY ALL OTHERS HEADLIGHT DIMMER/ FLASHER SWITCH HEADLIGHT SWITCH HEADLIGHT SWITCH LIGHT HIGH BEAM HIGH BEAM RIGHT HEADLIGHTS HOT AT ALL TIMES IGNITION SWITCH ILLUMINATION INSTRUMENT CLUSTER J/1 J/2 J/3 J/4 L/1 L/6 LEFT FOG LIGHT LEFT HEADLIGHT LEFT HEADLIGHTS HIGH BEAM LIGHT SWITCH LO BEAM LOCK P/1 P/4 PARKING BRAKE WARNING LIGHT SWITCH (UNDER CONSOLE, R/10 R/5 R/7 R/8 R/9 RED WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT SOLID STATE WHT WIRE WHT/BLK WIRE Y/3 YEL WIRE YEL/BLK WIRE

BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE DUAL HORN RELAY DUAL HORNS FUSE 13 FUSE/ RELAY PANEL (BEHIND LEFT SIDE OF DASH) HORN SWITCH HOT IN ON OR START WINDSHIELD WIPER/ WASHER SWITCH

2.8L ONLY AIRBAG MODULE INPUT BLK (OR WHT) WIRE BLK WIRE BLK/GRN (OR WHT) WIRE BLK/WHT (OR WHT) WIRE BLK/WHT WIRE BLU (OR WHT/ WIRE BLU WIRE BLU/WHT (OR WHT) WIRE BRAKE AND PARKING BRAKE BRAKE PAD WEAR BRN WIRE BRN/RED WIRE BRN/WHT (OR WHT) WIRE DIESEL DIGITAL DISPLAY ILLUMINATION DISPLAY UNIT CONTROL MODULE ENGINE COOLANT LEVEL/TEMPERATURE WARNING ENGINE COOLANT TEMPERATURE GAUGE EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM FUEL GAUGE FUSE/ RELAY PANEL (UNDER LEFT SIDE OF DASH) GASOLINE GENERATOR IND GRN (OR GRN/WHT) WIRE GRN (OR WHT OR GRN/WHT) WIRE GRN WIRE GRN/WHT WIRE GRY OR WHT WIRE GRY WIRE HEADLIGHTS SYSTEM FUSE 11 FUSE 21 HI BEAM HOT AT ALL TIMES HOT WITH HEADLIGHTS ON INSTRUMENT CLUSTER INSTRUMENT CLUSTER ILLUMINATION INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION) INTERIOR LIGHTS SYSTEM (LUGGAGE COMPT LAMP) LEFT BRAKE PAD WEAR ELEMENT LEFT TURN SIGNAL LOW FUEL LEV WARNING MALFUNCTION IND GLOW PLUG IND (DIESEL) MOTRONIC ENGINE CONTROL MODULE (IN ENGINE COMPT, ON CENTER OF FRESH AIR PLENUM) MULTI- FUNCTION INDICATOR MODE SELECT SWITCH MULTI-FUNCTION INDICATOR MEMORY SWITCH NCA WIRE OIL PRESSURE WARNING REAR HATCH OR TRUNK AJAR WARNING RED WIRE RED/WHT (OR WHT) WIRE RED/WHT WIRE RIGHT BRAKE PAD WEAR ELEMENT RIGHT TURN SIGNAL SEAT BELT WARNING SPEEDOMETER STARTING/CHARGING SYSTEM (GENERATOR) SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TRANSMISSIONS SYSTEM V/2 V/1 V/3 V/4 VEHICLE SPEED SIGNAL CONNECTOR VIO (OR WHT OR VIO/WHT) WIRE VIO WIRE VIO/WHT WIRE W/ A/T W/1 WARNING SYSTEM WHT WIRE YEL (OR WHT) WIRE YEL WIRE YEL/RED (OR WHT) WIRE

A/C CLUTCH CUT-OFF RELAY BATTERY BATTERY GROUND BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE D/8 DATA LINK CONNECTOR (CENTER OF DASH) E/2 ENGINE SPEED SENSOR (ON CYLINDER BLOCK BEHIND OIL FILTER) FUEL PUMP FUEL PUMP RELAY FUSE 101 FUSE 15 FUSE 18 FUSE/ RELAY PANEL FUSE/RELAY PANEL GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE IGNITION IGNITION (15) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (CONTROL MODULE/ DISPLAY UNIT) INSTRUMENT CLUSTER VEHICLE SPEED SIGNAL JUNCTION BLOCK (ABOVE FUSE/ RELAY PANEL) JUNCTION CONNECTOR LEAK DETECTION PUMP M/1 M/2 MALFUNCTION INDICATOR LAMP MOTRONIC ENGINE CONTROL MODULE NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY AIR INJECTION (AIR) PUMP RELAY (CALIF. ONLY) (BEHIND LEFT HEADLIGHT) TRANSMISSION CONTROL MODULE VIO/BLK WIRE W/1 WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE Z/2

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR (IN DISTRIBUTOR HOUSING, UNDER SENSOR ROTOR) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE FUEL CUT- OFF VALVE/ SHUT OFF RELAY FUEL INJECTORS GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEATED OXYGEN SENSOR IGNITION COIL IGNITION COIL POWER OUTPUT STAGE IGNITION DISTRIBUTOR KNOCK SENSOR (KS) (ON ENGINE BLOCK, NEAR OIL FILTER HOUSING) MASS AIR FLOW (MAF) SENSOR (IN INTAKE AIR DUCT) NCA WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY AIR INJECTION (AIR) SOLENOID VALVE (CALIF ONLY) THROTTLE VALVE CONTROL MODULE (AT THROTTLE BODY) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE