GMC Savana G2500 (1996-2013) yel Wiring diagrams

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION ASSEMBLY (6 SPEED A/T) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUX/TRLR BCK/UP FUSE BACKUP ALARM (REAR OF VEHICLE ON FRAME) BCK/UP LAMP PCB RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT BUS-DATA COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - DK BLU WIRE FRONT SEAT) GMLAN HI SPD GRN WIRE GRY WIRE HI SPD GMLAN DATA BUS - HI SPD GMLAN SERIAL DATA BUS + HOT AT ALL TIMES UNDERHOOD MEGA FUSE FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) LEFT BACKUP LAMP (CARGO/ PASSENGER) LEFT TAIL/ STOP/ TURN SIGNAL LAMP LT GRN WIRE NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH POWER DISTRIBUTION SYSTEM PROVISIONAL RED WIRE RELAY CTRL RIGHT BACKUP LAMP (CARGO/ PASSENGER) RIGHT TAIL/ STOP/ TURN SIGNAL LAMP SIG A SIG B SIG C TAIL LAMP BCK/UP FUSE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER CONNECTOR (IF EQUIPPED) TRANS RNG SW SIG A TRANS RNG SW SIG B TRANS- MISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK W/ ELECTRICAL BACKUP CUTAWAY ALARM YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CRUISE CONTROL SYSTEM DK BLU WIRE DK DK RIGHT FRONT INNER PARK/ TURN SIGNAL LAMP DK GRN WIRE HAZ SW TN SW HAZARD HAZARD FUSE 5 HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK TURN- B/U FUSE 16 I/P RELAY CENTER (UNDER LEFT SIDE OF DASH) INSTRU- MENT PANEL CLUSTER LEFT LEFT FRONT MARKER LAMP LEFT TAIL LAMP LEFT TURN IND LT BLU WIRE LT GRN WIRE MULTI- FUNCTION SWITCH NORMAL OFF HEAD PARK ORG/ WIRE PARK LPS FUSE 9 PNK WIRE PPL RIGHT RIGHT FRONT MARKER LAMP RIGHT FRONT OUTER PARK/ TURN SIGNAL LAMP RIGHT REAR PARK/ TURN SIGNAL LAMP LEFT REAR PARK/ TURN SIGNAL LAMP RIGHT TAIL LAMP LICENSE LAMP RIGHT TURN IND STOP FUSE 1 TCC/ BRAKE SWITCH (BEHIND DASH, ON TURN PWR HAZ PWR FLSHR OUT GND TURN/HAZARD LAMP FLASHER W/ OPTIONAL TRAILER WIRING PACKAGE) WHT WIRE YEL WIRE

6 OHMS BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE PEDAL) BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CONVEN- IENCE CENTER (UNDER LEFT SIDE OF I/P) INTERIOR LIGHTS SYSTEM CONVENIENCE CENTER (UNDER LEFT SIDE OF I/P) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK LT DK RIGHT FRONT PARK HAZ SW TN SW HAZARD HAZARD FUSE 5 HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IN-LINE RESISTOR INSTRU- MENT CLUSTER RIGHT TURN IND. LEFT LEFT REAR PARK LEFT SIDE MARKER LAMP LEFT TURN IND LICENSE LAMP LT BLU WIRE LT GRN WIRE LT LEFT FRONT PARK NORMAL OFF HEAD PARK ORG/ WIRE PARK LPS FUSE 9 PNK WIRE PPL RIGHT RIGHT REAR PARK RIGHT SIDE MARKER LAMP STOP FUSE 1 STOP, TAIL LAMP TCC/ STOP LAMP SWITCH (TOP OF TURN B/U FUSE 16 TURN PWR HAZ PWR FLSHR OUT GND TURN SIGNAL LAMP TURN/ HAZARD SWITCH TURN/HAZARD LAMP FLASHER (I/P RELAY CENTER: BELOW CENTER OF I/P) W/ OPTIONAL TRAILER WIRING PACKAGE (RIGHT REAR OF INTERIOR) WHT WIRE YEL WIRE

1996 VFTC BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HI BEAM HEAD- LAMP LEFT LO BEAM HEADLAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HI BEAM HEAD- LAMP RIGHT LO BEAM HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GRN WIRE GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HI LO HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEAD- LAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

1995 VFTC BLK WIRE BLK/WHT WIRE HEADLAMP SWITCH HI BEAM INDI- CATOR HOT AT ALL TIMES INSTRU- MENT CLUSTER LEFT LO BEAM HEAD- LAMP LO HEADLAMP DIMMER SWITCH LT GRN WIRE OFF OFF HEAD HEAD PARK PARK RIGHT HI BEAM HEAD- LAMP LEFT HI BEAM HEAD- LAMP RIGHT LO BEAM HEAD- LAMP TAN WIRE YEL WIRE

1995 VFTC BLK WIRE BLK/WHT WIRE DK BLU WIRE GRN WIRE HEADLAMP SWITCH HI BEAM INDICATOR HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT HEADLAMP HI LO HEADLAMP DIMMER SWITCH LT GRN WIRE OFF OFF HEAD HEAD PARK PARK RIGHT HEADLAMP LO HI TAN WIRE YEL WIRE

27 28 29 30 31 PPL 5 VOLT REF BLK WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CMP SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) GRN WIRE GRY WIRE HIGH RES SIG HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START I/P FUSE BLOCK IGNITION TIMING STEPPER MOTOR (TOP FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE OPTICAL FUEL/ TEMPERATURE SENSOR (TOP CENTER OF ENGINE, ON FUEL INJECTION PUMP) ORG/ WIRE ORG/BLK WIRE PNK PNK PPL 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE RED WIRE RED/BLK WIRE RUN WIRE SENS GRD STOP FUSE 1 TAN WIRE TAN/BLK WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) TRANS FUSE 20 WHT WIRE YEL WIRE YEL/BLK WIRE

"GLOW PLUGS" INDICATOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK PNK WIRE ECM-B FUSE ENGINE SHUTOFF SOLENOID (TOP FRONT OF ENGINE) FUEL LIFT PUMP (LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) FUEL PUMP PRIME CONNECTOR (LEFT SIDE OF ENGINE) FUEL PUMP RELAY (LEFT SIDE OF ENGINE COMPT, IN UNDERHOOD FUSE-RELAY CENTER) FUEL SOLENOID (ON REAR OF FUEL INJECTION PUMP) FUEL SOLENOID DRIVER (LEFT SIDE OF FUEL INJECTION PUMP) GAUGES FUSE 4 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK 11 12 WIRE PNK WIRE RED WIRE SERVICE ENGINE SOON INDICATOR SERVICE THROTTLE SOON INDICATOR SPEEDOMETER SOLID STATE LOGIC TAN WIRE UNDERHOOD FUSE-RELAY CENTER WAIT TO WATER IN FUEL INDICATOR WATER IN-FUEL SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

"SERV ENG SOON" IND ESO CTRL "SERV THROTTLE SOON" IND A/C ENABLE PCM GND PCM GND A/C SYSTEM APP 2 REF VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (DLC) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) ENG 1 FUSE ENG FUSE FUEL INJ CTRL FUSIBLE LINK FUSIBLE LINK (22 GA-RUST) FUSIBLE LINK FUSIBLE LINK GLOW PLUG 3 GLOW PLUG 1 GLOW PLUG 5 GLOW PLUG 6 GLOW PLUG 7 GLOW PLUG 2 GLOW PLUG 4 GLOW PLUG 8 GLOW PLUG RELAY (TOP RIGHT SIDE OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK 11 12 WIRE PNK PNK 339 339 IGNITION IGNITION WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (BEHIND CENTER OF DASH) PPL RED WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER WASTEGATE SOL CTRL ESO SOL CTRL WASTEGATE SOLENOID (TOP RIGHT SIDE OF ENGINE) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE