GMC Savana G2500 (1996-2013) tan Wiring diagrams

AUXILIARY BATTERY AUXILIARY GENERATOR GENERATOR BATTERY BLK WIRE CHARGE IND COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 3 FUSIBLE LINK 5 GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GRY WIRE HOT W/ RUN/CRANK RELAY 15 ENERGIZED IGN VOLT INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE LOGIC ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE SER DATA BUS - SERIAL DATA STARTER MOTOR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK W/ DUAL GENERATOR W/ DUAL GENERATOR, AMBULANCE UPFITTER

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUXILIARY BATTERY BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DK GRN WIRE ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GMLAN PARK/ SERIAL DATA NEUTRAL SIGNAL (-) GMLAN SERIAL DATA GRY WIRE IGNITION SWITCH IGNITION VOLTAGE OFF ORG/BLK WIRE PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK WHT WIRE YEL/BLK WIRE

2 6 3 1 CAN BUS HI LO REF CAN BUS LO 32 33 34 35 36 37 38 VEHICLE SPD SIG CAN BUS HI DATA 5.3L, 4.8L, 6.0L 4.3L ABS MDL FUSE 2 ABS MTR FUSE 1 BLK WIRE BLK/PPL WIRE BRK SW FUSE 13 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 29 GRY WIRE GRY/BLK WIRE HI SPD GMLAN DATA + HI SPD GMLAN DATA + B+ HI SPD GMLAN DATA- HI SPD GMLAN DATA- GND HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED IPC FUSE 10 LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (WSS) (AT LEFT REAR WHEEL HUB) LF WHEEL SPD SENS LOW REF LOW REF LOW REF RF WHEEL SPD SENS LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MULTI-AXIS ACCELERATION SENSOR (ON FLOOR BETWEEN FRONT SEATS) ORG/ WIRE ORG/BLK WIRE PNK 3 4 5 WIRE PNK WIRE RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA ENABLE B+ SPD SIG VEHICLE STEERING ANGLE SENS CAN BUS LO DATA STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) STR/WHL/ SNSR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE WHT/BLK WIRE YEL WIRE

3 21 DIMMING CTRL TRACTION SW 6 16 TCC BRAKE SIG PRK BRK SW ABS IND. BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE BOOSTER FLUID FLOW ALARM SWITCH (IN POWER STEERING PUMP OUTLET HOSE) BRAKE FLUID LEVEL SWITCH (AT LEFT REAR OF ENGINE COMPT) BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE VALVE, NEAR FRONT OF EBCM) BRAKE WARNING INDICATOR CTRL BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK FLUID LEVEL SENSOR SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HEAVY DUTY IGN VOLT IGN VOLT STEERING SENS A STEERING SENS C LIGHT DUTY LO SPD GMLAN LOGIC LOGIC STEERING WHEEL SPEED/ POSITION SENSOR (AT BASE OF STEERING COLUMN) LOW STABILITY IND INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/BLK WIRE PARK BRAKE SWITCH (UNDER LEFT PNK 3 4 5 WIRE PNK 7 3 5 6 2 4 1 8 WIRE PNK WIRE PPL RIGHT REAR WHEEL SPEED SENSOR (WSS) (AT RIGHT REAR WHEEL HUB) SERIAL DATA SIDE OF DASH) STEERING SENS B TAN WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH VDC IND WHT WIRE YEL WIRE

22 27 21 6.6L 4.3L EXCEPT 4.3L 55 43 44 9 28 27 BRAKE SIG SER DATA BUS(+) SER DATA BUS(-) 66 46 6.6L 53 57 40 59 32 16 3 65 35 63 5 6 ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL BATT + BCM 2 FUSE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE APPLY SEN SIG BRAKE LOW REF BRAKE PEDAL POSITION (BPP) SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE SENS SIG BRAKE SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE ENGINE CONTROL MODULE (ECM) GMLAN SER DATA GROUND GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY 15 ENERGIZED IGN INFLATABLE RESTRAINT STEERING WHEEL INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE LOGIC LOW REF LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT BLU/WHT WIRE MODULE COIL (AT TOP OF STEERING COLUMN) PNK WIRE PPL RED/WHT WIRE SPLY VOLT TAN WIRE TAN/BLK WIRE THROTTLE BODY (EXCEPT 6.6L) (4.8L, 5.3L, 6.0L: ON LEFT SIDE OF THROTTLE BODY) TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BREAKOUT) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY AUTOMATIC TRANSMISSION (6 SPEED A/T) CRUISE SWITCH DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE HOT W/ RUN/CRANK RELAY 15 ENERGIZED INSTRUMENT PANEL CLUSTER LEFT STEERING WHEEL CONTROL SWITCH LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE RED WIRE RES+ SET- TAN WIRE TAN/BLK WIRE TRANS FUSE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION INPUT SHAFT SPEED (OSS) SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR TRANSMISSION OUTPUT SHAFT SPEED SENSOR (RIGHT REAR SIDE OF TRANSMISSION) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT LT BLU/ WIRE WHT WIRE YEL WIRE

24 39 31 16 LOW REF SENS SIG PPL 2759 1589 (OR 6049) 4.3L 4.8L/5.3L/6.0L 6.6L 2 3 44 43 DATA BUS(-) DATA BUS(+) 50 41 36 35 331 2705 4 30 SENS SIG 58 28 1589 2759 PPL 6 7 8 9 PPL PNK WIRE 7 8 PPL 9 10 PPL BLK WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BRN WIRE CARGO DOOR LATCH ASSEMBLY (W/ CARGO/PASSENGER) (IN RIGHT REAR CARGO DOOR) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LATCH ASSEMBLY (AT REAR OF DRIVER DOOR) DRIVER INFORMATION CENTER (DIC) SWITCH ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY WIRE GRY/BLK WIRE ILLUMI- NATION LEFT SLIDING DOOR AJAR SWITCH (W/ LEFT REAR HINGED DOOR) LOW REF PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) PERSON- ALIZATION VEHICLE INFO PNK WIRE PNK/BLK WIRE PPL PPL 2 3 RIGHT SLIDING DOOR AJAR SWITCH (W/ CARGO/PASSENGER) SENS SIG SENS SIG LOW REF SET/ RESET SWITCH SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP/ FUEL W/ BRAKE WARNING INDICATOR SYSTEM WATER IN-FUEL SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

4.3L 4.8L/5.3L/6.0L 6.6L 2 3 4.3L, 4.8L, 6.0L 5.3L (VIN G) 6.0L (VIN B) 7 8 PPL 9 10 PPL ALTERNATIVE FUEL TANK PRESSURE SENSOR BLK WIRE BRAKE BOOSTER FLUID FLOW ALARM SWITCH (IN POWER STEERING PUMP OUTLET HOSE) BRAKE BOOSTER FLUID PRESSURE ALARM SWITCH (IN POWER STEERING PUMP INLET HOSE) BRAKE FLUID LEVEL SWITCH (AT LEFT REAR OF ENGINE COMPT) BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE VALVE, NEAR FRONT OF EBCM) BRN WIRE CNG CONTROL MODULE (6.0L(VIN B)) (FORWARD OF LEFT REAR SPRING ON FRAME) CNG FUEL VEHICLE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (ON LEFT SIDE OF OIL PAN) ENGINE OIL PRESSURE (EOP) SENSOR (EXCEPT 6.6L: ON TOP REAR OF ENGINE) FUEL LEVEL SENSOR (ON FUEL TANK) FUEL PUMP, SENDER ASSEMBLY (ON FUEL TANK) GRN WIRE GRY WIRE HEAVY DUTY LIGHT DUTY LOW REF LPG CONTROL MODULE (6.0L(VIN B)) (ON TANK CONTROL BOX) LPG FUEL VEHICLE W/ 3 TANK LPG FUEL VEHICLE W/ 4 TANK LT BLU/BLK WIRE PPL PPL 2 3 PPL FUEL PUMP RELAY SIG PPL SENSING PRESSING PRIMARY FUEL LEVEL SENSOR PRIMARY SIG FUEL SENDER RED WIRE SECONDARY FUEL LEVEL SENSOR SECONDARY SIG FUEL SENDER TAN WIRE TAN/WHT WIRE W/ BRAKE WARNING INDICATOR SYSTEM WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LH AUDIO SIG (+) RH AUDIO SIG (+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ LF MID OUT (+) RF MID OUT (+) 1959 1955 LR MID OUT (-) RR MID OUT (-) 2 1 8 LO REF 658 1782 VOICE SIG DRAIN WIRE HI SPD GMLAN ANTENNA IN BATT POSITIVE VOLT BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BREAKOUT) BRN/WHT WIRE CELLULAR, DIGITAL RADIO ANTENNA CELLULAR/ NAVIGATION ANTENNA COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CUTAWAY UPFITTER DIGITAL RADIO RECEIVER (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN) INFO LED DIMMING CTRL GND LF MID OUT (-) RF MID OUT (-) LEFT CARGO DOOR SPEAKER (IF EQUIPPED) LEFT FRONT SPEAKER LEFT REAR SPEAKER LH AUDIO SIG + RH AUDIO SIG + LO GMLAN SERIAL DATA LO REF LO SERIAL DATA LR MID OUT (+) RR MID OUT (+) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MUTE NCA WIRE ORG/ WIRE PASSENGER/ CARGO PNK WIRE RADIO RADIO ANTENNA RDO/ CHIME FUSE 20 RED/WHT WIRE RIGHT CARGO DOOR SPEAKER (IF EQUIPPED) RIGHT FRONT SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK DOWN SEEK UP SOURCE STEERING WHEEL CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE USB CABLE USB CHARGE USB RECEPTACLE VEHICLE COMMUNICATION INTERFACE MODULE (VICM) (BELOW STEERING COLUMN) VOICE SIG VOL DOWN VOL UP W/ VEHICLE COMMUNICATION SYSTEM W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE

6.0L (VIN B) 6.0L VIN G 6.0L VIN B A/C REFRIGERANT PRESSURE SENSOR ACC SER DATA IGN VOLT BATT POS VOLT PNK WIRE ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BANK 1 SENSOR 2 BANK 2 SENSOR 2 BLK LT BLU/ WIRE BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION (BPP) SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BREAKOUT) BRK SENS SPLY BRK SW FUSE BRN WIRE CNG FUEL VEHICLE COMPUTER DATA LINES SYSTEM CUTAWAY LPG FUEL VEHICLE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE ECM IGN/ GLOW PLUG MDL IGN FUSE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT RADIATOR TEMPERATURE SENSOR FUEL PUMP, SENDER ASSEMBLY (ON FUEL TANK) FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL TANK) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY 15 ENERGIZED IAT SENS SIG LOW REF ECT SENS SIG LOW REF LOW REF PRESS SENS SIG PPL LT BLU WIRE LT BLU/ BLK WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE MAF SENS SIG LOW REF ORG/BLK WIRE ORG/WHT WIRE PNK IGN VOLT WIRE PNK PPL 2 3 4 WIRE PNK PPL PPL 8 9 WIRE PNK WIRE PPL PPL FUEL LEVEL SENS PPL/WHT WIRE PRESS SENS SIG LOW REF PWR/TRN RLY CTRL RED/WHT WIRE RELAY CTRL START RLY CTRL STARTING/ CHARGING SYSTEM STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SIG TOWARDS INSTRUMENT PANEL CLUSTER) TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VSS W/ 3 TANK LPG FUEL VEHICLE W/ 4 TANK WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE