GMC Savana G2500 (1996-2013) blk Wiring diagrams

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE 27 28 GMLAN (-) GMLAN (+) 68 71 1 MIL CTRL TOS SIG ACTUATOR SIG AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH GRY WIRE IGN IGN LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL RED WIRE REV TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TOW/ HAUL IND CLASS 2 TOW/HAUL SW TOW/HAUL SWITCH YEL WIRE YEL/BLK WIRE

27 28 2501 2500 44 43 COMPUTER DATA LINES SYSTEM DATA BUS (-) DATA BUS (+) 4.3L 4.3L/5.3L 4.8L/6.0L BATTERY BATTERY CURRENT SENSOR (4.3L/5.3L) BLK WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE CHARGE IND COMPUTER DATA LINES SYSTEM CURRENT SENSOR SIG DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXCEPT 4.3L FUSIBLE LINK 3 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GMLAN SERIAL DATA GRY WIRE HOT W/ RUN/CRANK RELAY ENERGIZED IGN VOLT INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA PNK WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE SENS SIG STARTING CIRCUIT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE

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 CRNK RELAY 73 DATA BUS - DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXCEPT 4.3L 4.3L 28 43 FUSIBLE LINK 2 IGNITION LOCK CYLINDER IGNITION SWITCH IGNITION VOLTAGE OF ENGINE COMPT) OFF ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSMISSION) P/N PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE 64 TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE WHT WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE 27 28 GMLAN (-) GMLAN (+) 68 71 1 MIL CTRL TOS SIG ACTUATOR SIG AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH GRY WIRE IGN IGN LOGIC INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL RED WIRE REV TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TOW/ HAUL IND CLASS 2 TOW/HAUL SW TOW/HAUL SWITCH YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE 30 45 39 MIL CTRL TOS SIG 44 57 GMLAN (-) GMLAN (+) ACTUATOR SIG AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 CLASS 2 DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH GRY WIRE IGN INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REV TAN WIRE TAN YEL/BLK WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TOW/ HAUL IND CLASS 2 TOW/HAUL SW TOW/HAUL SWITCH YEL WIRE YEL/BLK WIRE

2 6 3 1 CAN BUS HI LO REF CAN BUS LO 3 21 DIMMING CTRL TRACTION SW 5.3L, 4.8L, 6.0L 4.3L 6 16 TCC BRAKE SIG PRK BRK SW ABS IND. ABS MDL FUSE 2 ABS MTR FUSE 1 BLK WIRE BLK/PPL WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE IND BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK SW FUSE 13 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN 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 IGN VOLT IGN VOLT STEERING SENS A STEERING SENS C INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR 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 LO SPD GMLAN LOGIC LOGIC STEERING WHEEL SPEED/ POSITION SENSOR (AT BASE OF STEERING COLUMN) LOW REF RF WHEEL SPD SENS LOW STABILITY IND LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (UNDER LEFT PNK 7 3 5 6 2 4 1 8 WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) RIGHT REAR WHEEL SPEED SENSOR (WSS) (AT RIGHT REAR WHEEL HUB) SERIAL DATA SERIAL DATA ENABLE B+ SIDE OF DASH) STEERING ANGLE SENS CAN BUS LO DATA STEERING SENS B STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) STR/WHL SNSR (G) TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VDC IND VEHICLE SPD SIG CAN BUS HI DATA VEHICLE SPEED SIGNAL WHT WIRE WHT/BLK WIRE YAW, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER SEAT) YEL WIRE YEL/BLK WIRE

5.3L, 4.8L, 6.0L 4.3L 6.6L ABS IND. ABS MDL FUSE 2 ABS MTR FUSE 1 B+ SERIAL DATA ENABLE VEHICLE SPD SIG 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) BRK FLUID LEVEL SENSOR SIG BRAKE WARNING INDICATOR CTRL BRK SW FUSE 13 COMPUTER DATA LINES SYSTEM DK GRN WIRE GND HI SPD GMLAN BUS - HI SPD GMLAN BUS - HEAVY DUTY HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 10 LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF LEFT FRONT WHEEL) LF WHEEL SPEED SENS LOW REF LIGHT DUTY LO SPD GMLAN LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE OF DASH, ABOVE BRAKE PEDAL) PARK BRAKE SWITCH (UNDER LEFT PNK WIRE PPL PRK BRK SW RED/BLK WIRE RED/WHT WIRE RF WHEEL SPD SENS LOW REF RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SIDE OF DASH) SIGNAL ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) STOP LAMP SWITCH (BEHIND LEFT SIDE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC BRAKE SIG TOWARDS INSTRUMENT PANEL CLUSTER) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED YEL WIRE YEL/BLK WIRE

21 19 69 14 71 CTRL SPD SIG CTRL SPD SIG SPEED SIG BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT LEVEL SWITCH COOLING FAN ASSEMBLY (BEHIND RADIATOR) DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT GAUGE TEMPERATURE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP OF ENGINE, NEAR THERMOSTAT HOUSING) FAN CLTCH (EV) FUSE GRY WIRE HOT W/ PWR/TRN RELAY 49 ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW REF LOW SPD GMLAN SERIAL DATA LT GRN WIRE PNK WIRE SENS SIG LOW REF TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

11 12 LPS DIMMER SW SIG DIMMING VOLT REF 2 15 HEAD 8 17 PARK LAMPS SIG HEADLAMPS OFF SIG AUXILIARY BLOWER MOTOR SWITCH BATTERY POS VOLT BCM 3 FUSE 26 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE CONNECTOR CONTROL DIMMING CTRL DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER WINDOW SWITCH FRONT AUXILIARY HVAC CONTROL ASSEMBLY HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HVAC CONTROL ASSEMBLY IN FRONT HEADLINER HARNESS, 21 CM INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (W/ MANUAL SUPPRESSION) LEFT STEERING WHEEL CONTROL SWITCH LPS DIMMING CTRL LT BLU WIRE OFF AUTO PARK ORG/ WIRE ORG/WHT WIRE PASSENGER DOOR LOCK (W/ POWER SWITCH MIRRORS, POWER WINDOWS) PASSENGER WINDOW SWITCH PNK CONTROL PNK WIRE PNK PNK W/O REDUNDANT RADIO STEERING WHEEL WIRE PNK WIRE RADIO RED WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROL SWITCH STR WHL SNSR FUSE 17 TRACTION CONTROL SWITCH (TCS) (W/ ACTIVE BRAKE CONTROL) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ AUTOMATIC CRUISE CONTROL, REDUNDANT RADIO STEERING WHEEL CONTROL W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ AUXILIARY HEATER W/O REAR A/C W/ ELECTRIC SIDE DOOR LOCK W/ ELECTRIC TOW/HAUL SWITCH SIDE DOOR LOCK W/ POWER OPERATED WINDOW W/ REAR W/O REAR AUXILIARY AUXILIARY CONTROLS CONTROLS W/ REDUNDANT RADIO STEERING WHEEL W/ RV UPFITTER W/O RADIO PROVISIONS W/O RV UPFITTER WHT WIRE YEL WIRE

1 18 25 COURTESY LP CTRL COURTESY LP CTRL DEFEAT SW SIG 149 (OR 690) 20 CM FROM RIGHT SUNSHADE BREAKOUT) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO CARGO DOOR LATCH ASSEMBLY (IN RIGHT REAR CARGO DOOR) CARGO/PASSENGER COURTESY LP CTRL CTSY LP CTRL DK BLU WIRE DK BLU/WHT WIRE DOME DOME READING FL DOME RLY CTRL FRONT DOME/ READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES LEFT SUNSHADE LIFTGATE AJAR SW SIG MIDDLE DOME/ READING LAMPS ORG/ WIRE PASSENGER PASSENGER/CARGO W/O RV UPFITTER PNK/BLK WIRE PPL PROVISIONAL READING REAR DOME/ READING LAMPS (PASSENGER) DOME LAMP (CARGO) RED WIRE RIGHT SUNSHADE (ON UPPER RIGHT OF HEADLINER) TAN/WHT WIRE THE ENGINE BLOCK) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD LAMP UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS FUSE 4 UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTER) W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/ CUTAWAY W/ CUTAWAY, CARGO W/O RV UPFITTER W/ LEFT, RIGHT SUNSHADE MIRROR W/ RV UPFITTER W/ RV UPFITTER, LEFT, RIGHT SUNSHADE MIRROR W/O RV UPFITTER W/O RV W/ RV UPFITTER UPFITTER WHT WIRE YEL/BLK WIRE