GMC Sonoma II (1994-2004) utility Wiring diagrams

AIR TEMPERATURE ACTUATOR ASHTRAY LAMP AUTOMATIC SHIFT LOCK TRANSMISSION CONTROL SOLENOID AUTOMATIC TRANSMISSION SHIFT LEVEL INDICATOR LAMP AUTOMATIC TRANSMISSION SHIFT LOCK SOLENOID BARE BARE BARE BLK WIRE BLOWER MOTOR CONTROL PROCESSOR (AUTO A/C) BLOWER MOTOR RELAY (MAN A/C) BLOWER MOTOR (MAN A/C) BODY CONTROL MODULE BODY RELAY BLOCK CIGAR LIGHTER COURTESY LAMP RELAY HEADLAMP GROUND RELAY CREW CAB ONLY DATA LINK CONNECTOR (DLC) DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR HANDLE SWITCH DRIVER DOOR JAMB SWITCH DRIVER DOOR UNLOCK RELAY DRIVER SEAT BELT SWITCH ENDGATE/ LIFTGATE WINDOW RELEASE SWITCH EX 4 DOOR UTILITY W/ LIFTGATE EXTENTION HARN, 10 CM FROM VSS BREAKOUT) FOG LAMP SWITCH FROM W/ FLOOR SHIFT W/ COLUMN SHIFT (DIAGRAM 3 OF 3) FRONT PASSENGER DOOR JAMB SWITCH FUEL PUMP/ SENDER HEADLAMP SWITCH HVAC CONTROL MODULE I/P COMPARTMENT LAMP IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT PANEL CLUSTER (IPC) LEFT LICENSE LAMP LEFT REAR MARKER LAMP LEFT REAR PARK/TURN SIGNAL LAMP (FLEETSIDE) LEFT BACK-UP LAMP NCA WIRE PARK LOCK SOLENOID PARK SWITCH PICKUP PICKUP, UTILITY W/O AUTO A/C RADIO REAR WIPER/ WASHER SWITCH RIGHT LICENSE LAMP RIGHT REAR PARK/TURN SIGNAL LAMP SPORTSIDE PICKUP STEERING WHEEL CONTROLS TAN WIRE TRAILER WIRING PROVISION TRANSFER CASE SHIFT CONTROL SWITCH UTILITY UTILITY W/ AUTO A/C UTILITY W/ RADIO CONTROLS UTILITY W/O RADIO CONTROLS W/ COLUMN SHIFT WHT WIRE WINDSHIELD WIPER MOTOR

AUXILIARY POWER OUTLET AUXILIARY POWER OUTLET AUDIO AMPLIFIER BLK WIRE CENTER HIGH MOUNT STOP LAMP CENTER HIGH MOUNT STOP LAMP DOME LAMP CENTER HIGH MOUNT STOP LAMP RESISTOR CREW CAB DOOR LOCK CYLINDER SWITCH DRIVER DOOR LOCK CYLINDER SWITCH DRIVER DOOR LOCK, SIDE WINDOW SWITCH DRIVER HEATED SEAT ASSEMBLY DRIVER LUMBAR SWITCH DRIVER MEMORY SEAT MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BELT SWITCH DRIVER OUTSIDE REAR- VIEW MIRROR FRONT PASSENGER FRONT PASSENGER DOOR LOCK, SIDE WINDOW SWITCH FRONT PASSENGER FRONT PASSENGER FRONT PASSENGER HEATED SEAT ASSEMBLY FRONT PASSENGER OUTSIDE REAR VIEW MIRROR RIGHT DOOR HANDLE SWITCH FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT LUMBAR SWITCH FRONT PASSENGER SEAT BELT SWITCH HAZARD FLASHER MODULE INSIDE AIR TEMPERATURE SENSOR ASSEMBLY INSIDE REAR VIEW MIRROR LEFT BACK-UP LAMP LEFT DOOR HANDLE SWITCH LEFT REAR DOOR JAMB SWITCH RIGHT REAR DOOR JAMB SWITCH LEFT REAR PARK/ TURN SIGNAL LAMP LEFT REAR TAIL/ STOP LAMP LEFT VANITY MIRROR LAMP NCA WIRE OUTSIDE REAR VIEW FOLDING MIRROR SWITCH OUTSIDE REAR VIEW MIRROR DOOR LOCK, WINDOW SWITCH OUTSIDE REAR VIEW MIRROR SWITCH OVERHEAD CONSOLE PICKUP EXCEPT CREWCAB PICKUP W/ POWER DOOR LOCKS W/O KEYLESS ENTRY PPL/YEL WIRE REAR WINDOW DEFOGGER GRID LIFTGATE RELEASE ACTUATOR REAR WINDOW WIPER CUTOUT, LIFTGLASS AJAR JAMB SWITCH REAR WINDOW WIPER MOTOR CONTROLLER RIGHT BACK-UP LAMP RIGHT DOOR HANDLE SWITCH RIGHT REAR PARK/ TURN SIGNAL LAMP RIGHT REAR TAIL/ STOP LAMP RIGHT VANITY MIRROR LAMP SUNROOF MODULE TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL UTILITY UTILITY W/O POWER DOOR LOCKS UTILITY, CREW CAB UTILITY, CREW CAB, MAXI-CAB UTILITY, CREWCAB W/ ENHANCED PERFORMANCE AUDIO W/ FOLDILNG POWER MIRRORS W/ HEATED SEATS W/ MIRROR LAMPS W/O MIRROR LAMPS WINDOW LOCKOUT SWITCH

2.2L 20 21 VSS LOW VSS HIGH 4.3L 46 10 17 MIL IND TACH OUT VSS OUT 54 29 69 72 73 63 ECT SENSOR IN PRNDL A PRNDL B PRNDL C PRNDL P VSS HIGH BARE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ECT SENSR GRD ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (IN COOLANT PIPING, FRONT OF ENGINE, ENGINE COOLANT TEMPERATURE SENSOR (IN COOLANT PIPING, ON FRONT OF ENGINE) FUEL LEVEL SENS GRD FUEL PUMP/ SENDER (TOP OF FUEL TANK) FUEL PUMP/ SENSDER (TOP OF FUEL TANK) GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MIL IND CTRL SERIAL DATA VSS SIG OUT ORG/BLK WIRE PARK/NEUTRAL POSITION, BACK-UP LAMP SWITCH (LEFT SIDE OF TRANSMISSION) PICKUP POWERTRAIN CONTROL MODULE (2.2L ONLY) (RIGHT FRONT OF ENGINE COMPT) POWERTRAIN CONTROL MODULE (4.3L ONLY) (RIGHT FRONT OF ENGINE COMPT) PPL PPL (ENGINE HARN, NEAR BREAKOUT TO POWERTRAIN CONTROL MODULE) PPL FUEL LEVEL SIG IN PPL FUEL LVL IN PPL/WHT WIRE PRNDL C SIG PRNDL P SIG RADIO (EXCEPT BRAVADA) SERIAL DATA SPLICE SPLICE PACK TACH OUT TRANSMISSION UTILITY VEHICLE SPEED SENSOR (RIGHT REAR OF VEHICLE SPEED SENSOR (RIGHT REAR OF TRANSMISSION) VSS LOW VSS SIG OUT WHT DK GRN/ WIRE WHT WIRE YEL WIRE

11 9 (W/ TRIP) (W/O TRIP) ASH TRAY LAMP AUTOMATIC TRANSMISSION SHIFT LEVER POSITION INDICATOR BLK WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BODY RELAY BLOCK (BEHIND LEFT SIDE OF DASH) BODY RELAY BLOCK (LEFT SIDE OF DASH, RIGHT OF I/P FUSE BLOCK) BRN WIRE DIMMER DIMMER INPUT DIMMING CONTROL DK GRN WIRE DRIVER INFORMATION CENTER DRIVER INFORMATION DISPLAY MODULE EXTERIOR LAMPS SYSTEM FOG LAMP SWITCH FRONT PASSENGER DOOR LOCK, WINDOW SWITCH GARAGE DOOR OPENER GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES PRK LP FUSE HVAC CONTROL ASSEMBLY I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUM FUSE 12 INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INPUT INSTRUMENT CLUSTER LEFT FRONT DOOR HARN, 8 CM FROM RADIO SPEAKER BREAKOUT) LIGHT SWITCH LT BLU WIRE OFF HEAD PARK ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PICKUP PICKUP ONLY PICKUP UTILITY PPL PPL/WHT WIRE PRK LP FUSE 5 PRK LPS RADIO RADIO DIM REAR WINDOW DEFOG SWITCH REAR WIPER/ WASHER, ENDGATE/ LIFTGLASS WINDOW RELEASE SWITCH REMOTE AUDIO PLAYER STEERING WHEEL CONTROLS STR WHL ILL FUSE 6 TOW/ HAUL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (TOP OF LEFT INNER WHEELWELL) UTILITY UTILITY W/O ECC ONLY W/ TRIP W/O ELECTRONIC CLIMATE CONTROL W/ ELECTRONIC CLIMATE CONTROL W/O TRIP WHT WIRE WINDOW LOCKOUT SWITCH (4 DOOR) DRIVER DOOR LOCK, WINDOW SWITCH

4 DOOR A/C COMPRESSOR CLUTCH RELAY A/T ABS FUSE AIR RELAY AUTOMATIC TRANSMISSION SHIFT LOCK (BTSI) SOLENOID (W/ FLOOR SHIFT A/T) B/U LP FUSE BACK-UP LAMP SWITCH BLK WIRE BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR ASSEMBLY BODY RELAY BLOCK BRN WIRE BTSI FUSE DAYTIME RUNNING LAMP (DRL) RELAY ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM B/U LP FUSE DIAGRAM 2 OF 5) FROM IGN A FUSE DIAGRAM 1 OF 5) FROM OXYGEN FUSE DIAGRAM 1 OF 5) GRN WIRE GRY WIRE HEADLAMP GROUNDING RELAY HVAC FUSE IGN B FUSE IGN C FUSE IGN E FUSE IGNITION SWITCH INSIDE REAR VIEW MIRROR (UTILITY) (PICKUP) LEFT BACK-UP LAMP (PICKUP) LEFT BACK-UP LAMP (UTILITY) LOCK LOCK OFF OFF LOCK OFF LT GRN WIRE LT LT M/T MULTI- FUNCTION SWITCH ORG/ WIRE PARK LAMP RELAY HEADLAMP SWITCH PARK/ NEUTRAL POSITION (PNP) SWITCH PNK WIRE REAR DEFOGGER RELAY RED WIRE RED/WHT WIRE RIGHT BACK-UP LAMP RIGHT BACK-UP LAMP (UTILITY) RUN WIRE SECONDARY AIR INJECTION REACTOR FUSE BLOCK (CALIF) STOP LAMP SWITCH STUD 2 FUSE HAZ LP FUSE PARK LP FUSE TO CRANK FUSE (DIAGRAM 4 OF 5) TO CLSTR FUSE (DIAGRAM 4 OF 5) TO IGN E FUSE (DIAGRAM 2 OF 5) TO RAP MAXI FUSE (DIAGRAM 3 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) TO TRAILER WIRING PROVISIONS TRAILER WIRING PROVISIONS (UTILITY W/ M/T) TRANSFER CASE SHIFT CONTROL MODULE TRL B/U FUSE UNDERHOOD FUSE BLOCK UTILITY VEH B/U FUSE W/ ELECTRONIC CLIMATE CONTROL W/O ELECTRONIC CLIMATE CONTROL WHT WIRE YEL WIRE

4 DOOR AMPF FUSE 20 AUDIO AMPLIFIER AUTOMATIC A/C AUX PWR FUSE 13 BLK WIRE BODY RELAY BLOCK CARGO LAMP (UTILITY) CIGAR LIGHTER CIGAR LTR FUSE 2 CTSY LP FUSE 8 DATA LINK CONNECTOR (DLC) DOME LAMP (UTILITY) DOME LAMP, CENTER HIGH MOUNTED STOP LAMP (PICKUP) DOME LAMP (W/O SUNROOF) DOOR UNLOCK RELAY DOOR LOCK RELAY DRIVER INFORMATION CENTER (DIC) (W/O TRIP COMPUTER) DOME LAMP (W/ SUNROOF) DRIVER INFORMATION CENTER (DIC) GARAGE DOOR OPENER MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH DRIVER'S DOOR UNLOCK RELAY FOG LAMP RELAY DAYTIME RUNNING LAMP (DRL) RELAY FOG LP FUSE FROM ABS FUSE (DIAGRAM 2 OF 5) FROM INT BAT FUSE (DIAGRAM 3 OF 5) FRONT PASSENGER SEAT ADJUSTER SWITCH FUEL PUMP RELAY ECM B FUSE HDLP SW FUSE 7 HEADLAMP SWITCH TAPE/CD REMOTE PLAYBACK DEVICE (BRAVADA) HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) I/P FUSE BLOCK INADVERTENT POWER LAMP RELAY INT BAT FUSE LEFT ACCESSORY POWER OUTLET RIGHT ACESSORY POWER OUTLET MANUAL A/C MEMORY SEAT MODULE NCA WIRE ORG/ WIRE POWER SEATS CIRCUIT BREAKER POWERTRAIN CONTROL MODULE (PCM) PWR LCKS FUSE 14 RADIO RAP FUSE RDO BAT FUSE 19 RED WIRE RIGHT CONSOLE COURTESY LAMP LEFT CONSOLE COURTESY LAMP TO HI BEAM FUSE (DIAGRAM 3 OF 5) TO PWR LCKS FUSE 14 (DIAGRAM 3 OF 5) TO RAP RELAY (DIAGRAM 5 OF 5) TO TBC FUSE (DIAGRAM 4 OF 5) TRANSFER CASE SHIFT CONTROL MODULE UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK UTILITY UTILITY W/ OEVERHEAD TRIP CONSOLE UTILITY W/O OVERHEAD CONSOLE, PICKUP UTILITY W/OVERHEAD W/O MEMORY W/ MEMORY

4.3L A/C COMPRESSOR CLUTCH RELAY A/C FUSE RR W/W FUSE ATC FUSE AUTOMATIC TRANSMISSION SHIFT LOCK SOLENOID (W/ FLOOR SHIFT A/T) BLK WIRE BLU WIRE BODY CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER BODY RELAY BLOCK CENTER HIGH MOUNTED STOP LAMP CRUISE CONTROL MODULE DAYTIME RUNNING LAMPS (DRL) RELAY DK BLU WIRE DK GRN WIRE DOME HIGH MOUNT STOP LAMP RESISTOR DRIVER OUTSIDE REAR VIEW MIRROR REAR WINDOW DEFOGGER GRID DRIVER SEAT HEATER MODULE DRIVER SEAT LUMBAR SWITCH FROM ATC FUSE (DIAGRAM 4 OF 5) FROM HI BEAM FUSE (DIAGRAM 3 OF 5) FROM IGNITION SWITCH FRONT PASSENGER SEAT HEATER MODULE FRONT PASSENGER SEAT LUMBAR SWITCH HEADLAMP POWER RELAY HIGH MOUNT STOP LAMP HIGH MOUNT STOP LAMP RELAY (PICKUP) HORN (A NOTE) HORN (F NOTE) HORN FUSE HORN RELAY HTD MIR FUSE RR DEFOG FUSE HTD SEAT FUSE I/P FUSE BLOCK CLSTR FUSE 11 INSTRUMENT PANEL CLUSTER (IPC) LEFT LOW BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP LIFT- GLASS RELAY (UTILITY) LT BLU WIRE LT HDLP FUSE RT HDLP FUSE LT LT MIR/LKS FUSE MULTI- FUNCTION SWITCH (FLASH TO PASS) MULTIFUNCTION SWITCH (UTILITY) NCA WIRE ORG/ WIRE OUTSIDE REAR VIEW MIRROR SWITCH DRIVER DOOR LOCK/ SIDE WINDOW SWITCH PASSENGER OUTSIDE REAR VIEW MIRROR PNK (BODY HARN, 13 CM FROM BLOWER MOTOR BREAKOUT) PNK 2.2L WIRE PNK (ENG HARN, 20 CM FROM A/C PRESSURE SENSOR BREAKOUT) PNK PNK WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) AUTOMATIC TRANSMISSION PPL PPL PPL PPL ESTC REAR DEFOGGER RELAY (UTILITY) REAR WINDOW WIPER MOTOR RIGHT HIGH BEAM HEADLAMP STOP LP FUSE STOPLAMP SWITCH TBC FUSE TO A/C FUSE (DIAGRAM 4 OF 5) TRAILER WIRING PROVISIONS TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRCHMSL FUSE UNDER- HOOD FUSE BLOCK UNDER- HOOD FUSE BLOCK CRANK FUSE UTILITY VECHMSL FUSE W/ RKE WHT WIRE YEL WIRE

2.2L 4.3L ABS FUSE 22 AIR HVAC TEMPERATURE CONTROL ACTUATOR MODULE AIR TEMPERATURE ACTUATOR AIR TEMPERATURE HVAC CONTROL ACTUATOR ASSEMBLY BLK WIRE BODY CONTROL MODULE BODY RELAY BLOCK BRN WIRE CRUISE CONTROL MODULE CRUISE FUSE 3 DK BLU WIRE DK GRN WIRE DRIVER SEAT LUMBAR SWITCH DRIVER WINDOW DOOR LOCKOUT LOCK SWITCH (4 DOOR) WINDOW SWITCH ELECTRONIC ELECTRONIC BRAKE BRAKE CONTROL CONTROL MODULE MODULE (EBCM) (EBCM) EXCEPT BASE PICKUP FROM IGNITION FROM POWER SEATS CIRCUIT BREAKER (DIAGRAM 3 OF 5) FRONT AXLE INDICATOR SWITCH FRONT AXLE VACUUM SOLENOID FRONT PAS- SENGER SEAT LUMBAR SWITCH FRONT PASSENGER DOOR LOCK FRT WPR FUSE 17 FUSE (DIAGRAM 5 OF 5) HVAC FUSE 9 FUSE 15 HVAC 1 FUSE 21 HVAC CONTROL ASSEMBLY HVAC CONTROL ASSEMBLY (W/O ELECTRONIC CLIMATE CONTROL) I/P FUSE BLOCK INSIDE REAR VIEW MIRROR (W/ AUTOMATIC DAY/NIGHT MIRROR) INSTRUMENT PANEL CLUSTER MULTI- FUNCTION SWITCH MULTIFUNCTION SWITCH NCA WIRE PICKUP POWER WINDOW CIRCUIT BREAKER RADIO DRIVER INFORMATION DISPLAY MODULE RDO IGN FUSE 24 REAR WIPER/ WASHER SWITCH RETAINED ACCESSORY POWER (RAP) RELAY RR WPR FUSE 23 STR WHL RDO IGN FUSE 18 STOP LAMP SWITCH STOP- CLUTCH LAMP SWITCH SWITCH SUNROOF MODULE TO HVAC FUSE (DIAGRAM 5 OF 5) TRANSFER CASE SELECT SWITCH TRANSFER CASE SHIFT CONTROL MODULE UTILITY UTILITY W/ ELECTRONIC CLIMATE CONTROL UTILITY W/ MANUAL HVAC CONTROL W/O MEMORY WINDOW SWITCH (2 DOOR) WINDSHIELD WIPER MOTOR YEL WIRE

BATTERY GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND DASH, ON HEATER CASE) BREAKOUT TO REAR WASHER PUMP MOTOR) BRN WIRE CRUISE FUSE 3 DK BLU WIRE DK BLU/WHT WIRE DOOR JAM SWITCH HEADLAMP REQ DOOR LOCKS DRIVER SEAT BELT SWITCH (UNDER LEFT FRONT SEAT) EXTERIOR LIGHTS, INTERIOR LIGHTS FRONT LT LEFT FUSE FRONT RT TURN FUSE GAUGES FUSE 4 GRN WIRE GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES UNDERHOOD FUSE BLOCK TBC FUSE HOT IN PARK OR HEAD HOT IN RUN HOT IN RUN, START I/P FUSE BLOCK IGNITION 3 SEAT BELT INPUT IGNITION KEY ALARM SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER (CENTER OF DASH) INSTRUMENT CLUSTER PICKUP LEFT DOOR JAMB SWITCH LEFT FRONT PARK/ TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE PARK LPS FUSE 5 PARK LPS IN KEY IN IGN KEY IN IGN PICKUP PKLP AUTO HDLP PNK IGNITION ON INPUT LEFT TURN SIG RIGHT TURN SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RIGHT FRONT PARK/ TURN SIGNAL LAMP SEATS SYSTEM SERIAL DATA SERIAL DATA GROUND SPLICE PACK 200 TAN WIRE UNDERHOOD FUSE BLOCK UTILITY WHT WIRE

A/C SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (UNDER DASH, ON HEATER CASE) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE ENG SPD FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY FUEL PUMP, SENDER ASSEMBLY (ON TOP OF FUEL TANK) FUEL TANK PRESSURE SENSOR (TOP OF FUEL TANK) GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INTAKE AIR TEMPERATURE SENSOR (IN FRESH AIR INTAKE DUCT) LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MAF SIG MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP CENTER OF ENGINE) MASS AIRFLOW SENSOR (MAF) (ON AIR INTAKE ASSY) MIL INPUT ORG/ WIRE PICK-UP PICK-UP UTILITY PNK 25 26 27 28 WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE SPLICE PACK 201 (LEFT SIDE OF DASH) SPLICE PACK 422/423 (REAR FRAME RAIL) TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) UNDERHOOD FUSE BLOCK UTILITY UTILITY PICK-UP WHT WIRE YEL WIRE YEL/BLK WIRE