GMC Savana H1500 (2003-2013) hot at all times Wiring diagrams

88 CM FROM RIGHT DOME FLUORESCENT WORK LAMP CONNECTOR BREAKOUT) ACCESS PANEL LEFT SIDE FRONT RELAY CONTROL ACCESS PANEL LEFT SIDE REAR RELAY CONTROL ACCESS PANEL RIGHT SIDE REAR RELAY CONTROL ACCESS PANEL) BETWEEN LEFT SIDE FRONT ACCESS PANEL ACTUATORS) BETWEEN LEFT SIDE REAR ACCESS PANEL ACTUATORS) BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) HOT AT ALL TIMES LEFT FRONT ACCESS PANEL RELAY LEFT FRONT SIDE FRONT ACCESS PANEL ACTUATOR (BEHIND LEFT FRONT ACCESS PANEL) LEFT FRONT SIDE REAR ACCESS PANEL ACTUATOR (BEHIND LEFT FRONT LEFT REAR ACCESS PANEL RELAY LEFT REAR SIDE FRONT ACCESS PANEL ACTUATOR LEFT REAR SIDE REAR ACCESS LT BLU WIRE LT GRN WIRE ORG/ WIRE PANEL ACTUATOR (BEHIND LEFT REAR ACCESS PANEL) PANEL ACTUATOR FUSE PNK WIRE REAR BODY FUSE BLOCK (ON LEFT "B" PILLAR) RIGHT REAR PANEL RELAY RIGHT SIDE FRONT ACCESS PANEL ACTUATOR (BEHIND RIGHT FRONT ACCESS PANEL) RIGHT SIDE REAR ACCESS PANEL ACTUATOR (BEHIND RIGHT REAR ACCESS PANEL) TAN WIRE TAN/BLK WIRE

54 49 22 33 (DIESEL) (GASOLINE) ABS PUMP ABS/TCC SW ABS/VSES FUSE 48 ANTI-LOCK IND BLK WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRAKE FLUID LEVEL SW IN LEFT FRONT SENSOR (+) RIGHT FRONT SENSOR (-) VSS INPUT BRAKE FLUID LEVEL SWITCH (HEAVY DUTY) (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE IND BRKS FUSE 11 BRN WIRE CRUISE CONTROL SYSTEM DIESEL DK GRN WIRE GAS GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT LEFT FRONT WHEEL SPEED SENSOR (ON INSIDE OF LEFT FRONT WHEEL) LOGIC LT BLU WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) RED/BLK WIRE RIGHT FRONT WHEEL SPEED SENSOR (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA IGNITION STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) TAN WIRE TCC BRAKE SW TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT CORNER OF ENG COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUTPUT YEL WIRE YEL/BLK WIRE

ABS/TCC SWITCH ABS/TCS CLASS 2 SERIAL DATA YAW RATE SENSOR LO REF WHEEL POS SENS LOW REF ABS/VSES FUSE 48 AUXILIARY 1 FUSE 32 BLK WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRAKE IN BRKS FUSE 11 BRN WIRE DEL TORQUE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START IGN E FUSE 22 IGNITION 3 VOLT LATERAL ACCELEROMETER SIG LEFT FRONT WHEEL SPEED SENSOR (ON INSIDE OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (AT LEFT REAR OF WHEEL HUB) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK 1 2 WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (IN ENG COMPT, ON LEFT INNER FENDER) PPL PPL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) PPL/WHT WIRE PRECHARGE MOTOR LO BATTERY (+) GND PRECHARGE MOTOR HI PRECHARGE PUMP (AT LEFT FRONT OF FRAME RAIL) RED WIRE REQ TORQUE REQUEST TORQUE SIGNAL DELIVERED TORQUE SIGNAL RIGHT FRONT WHEEL SPEED SENSOR (ON INSIDE OF RIGHT FRONT WHEEL) RIGHT REAR WHEEL SPEED SENSOR (AT RIGHT REAR OF WHEEL HUB) RUN WIRE STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON RIGHT SIDE OF TRANSMISSION) VSES MOTOR VSS HIGH VSS LOW VSS OUTPUT WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 20 21 22 23 24 40 42 47 48 51 62 63 GND TCC PWM CTRL PC SOL HI CTRL 1 8 17 18 19 20 24 27 GND AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON LEFT SIDE OF ENGINE) FROM UNDERHOOD PASS- THROUGH GROMMET BREAKOUT) LT GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START IGN 0 FUSE 6 INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PC SOL LO CTRL PPL FRONT LOW SIG FRONT HIGH SIG PCM BATT FUSE 2 PCM IGN 1 FUSE 38 PNK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PRNDL INDICATOR RANGE B RANGE C IGN B+ GND GND RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ON LEFT SIDE OF THROTTLE BODY) TOW/ HAUL SWITCH TOW/HAUL INDICATOR TOW/HAUL SWITCH UNDER- HOOD FUSE BLOCK VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) CLASS 2 CLASS 2 (PCM) DATA COMPUTER DATA LINES SYSTEM CRUISE IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LT BLU WIRE NCA WIRE ON CRUISE CONTROL ON/OFF SWITCH OFF ON OFF ORG/BLK WIRE PCM IGN 1 FUSE 38 PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL VSS LOW RED/WHT WIRE RESUME/ ACCEL RESUME/ACCEL SET/ COAST STOP LP FUSE 7 STOP/ CHMSL FUSE 8 STOPLAMP SWITCH (ABOVE BRAKE PEDAL) THROTTLE ACTUATOR CONTROL (TAC) MODULE (AT LEFT REAR OF ENGINE COMPARTMENT) TURN SIGNAL/ MULTIFUNCTION SWITCH UART SERIAL DATA UART SERIAL DATA UART SERIAL DATA UART SERIAL DATA SERIAL DATA 14 58 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON RIGHT SIDE OF TRANSMISSION) VSS HIGH WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) CARGO/ PASSENGER CLASS 2 CRUISE IND CLASS 2 (PCM) DATA COMPUTER DATA LINES SYSTEM CRUISE CONTROL MODULE (NEAR BRAKE FLUID RESERVOIR) CUTAWAY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/BLK WIRE NCA WIRE ON CRUISE CONTROL ON/OFF SWITCH OFF ON OFF PCM IGN 1 FUSE 38 PNK 17 (OR 1320) WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL VSS LOW RED/WHT WIRE RESUME/ ACCEL RESUME/ACCEL SERIAL DATA SET/ COAST SPEED SIGNAL AUTO CRUISE INHIBIT SIG VSS HIGH 13 37 STOP LP FUSE 7 STOP/ CHMSL FUSE 8 STOPLAMP SWITCH (ABOVE BRAKE PEDAL) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON RIGHT SIDE OF TRANSMISSION) WHT (OR LT BLU) WIRE WHT WIRE YEL WIRE

BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPT, ON EVAPORATOR CASE) BLOWER MOTOR RELAY BRN WIRE BRN/WHT WIRE DEFOGGER SWITCH DEFOGGER CONTROL IND DEFOGGER SYSTEM DK BLU WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP (6.6L) FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRT BLWR FUSE 74 GRY WIRE HOT AT ALL TIMES HOT W/ RUN/ HVAC 1 FUSE 14 HVAC 2 FUSE 13 HVAC CNTRL FUSE 25 HVAC CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE MED OFF ORG/ WIRE PASSENGER COMPARTMENT FUSE BLOCK REAR BLWR FUSE 29 RED WIRE RED/BLK WIRE RED/WHT WIRE TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ ELECTRIC REAR WINDOW DEFOGGER, POWER MIRRORS WHT WIRE YEL WIRE

2500 2501 COMPUTER DATA LINES SYSTEM 28 27 43 44 66 46 28 27 HI SPD SER DATA (+) HI SPD SER DATA (-) 45 61 11 FUEL TEM SIG BRAKE APPLY SEN SIG LOW REF 5.3L 6.6L 4.8L, 6.0L 4.3L AUTOMATIC TRANSMISSION (4 SPEED A/T) AUTOMATIC TRANSMISSION (6 SPEED A/T) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BCM 2 FUSE 58 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE BRAKE POS POS LOW SEN (-) (+) (-) (+) REF SIG BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK B+ BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GM LAN HI SPD GRY WIRE HI SPD SER DATA - HI SPD SER DATA + GND HOT AT ALL TIMES MODULE (TCM) ORG/BLK WIRE P/N SIG P/N SIG PARK/NEUTRAL POSITION (PNP) SWITCH RED WIRE SOL CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

19 15 16 ALARM ENABLE SIG HAZARD SW LEFT SIG HAZARD SW RIGHT SIG 2 59 28 60 SERIAL DATA LH SEAT BELT SW LOW REF RH SEAT BELT SW 8 17 PARK LAMP SIGNAL HEADLAMP SW OFF SIG AIR BAG FUSE AUTO OFF 3 8 BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE DIFFERENTIAL SWITCH CHIME MODULE (W/O RADIO) (BEHIND LEFT CENTER OF DASH) COMPUTER DATA LINES SYSTEM CONNECTOR BREAKOUT) DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (AT REAR OF DRIVER DOOR) DRIVER INFORMATION CENTER (DIC) DISPLAY DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH FUSE GROUND GRY WIRE GRY/BLK WIRE HAZARD SWITCH HAZARD WARNING SWITCH HEAD PARK HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES IGN SW IGNITION KEY SWITCH IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT REAR DOOR JAMB SWITCH (W/ LEFT REAR HINGED DOOR) (AT LEFT "B" PILLAR) LEFT TURN LIGHT PPL DUTY LOGIC LT BLU WIRE LT BLU/BLK WIRE OFF ORG/ WIRE PARK BRAKE SWITCH PARK BRK SW SIG PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) PASSENGER SEAT BELT BUCKLE (W/O MANUAL SUPPRESSION SWITCH, RV UPFITTER) PASSENGER SEAT BELT SWITCH PNK IGN VOLT WIRE PNK PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL HEAVY DUTY PPL PNK WIRE PPL PPL SENS SIG RADIO RDO/CHIME FUSE RED WIRE RED/WHT WIRE RIGHT REAR DOOR JAMB SWITCH (CARGO/ PASSENGER) (AT RIGHT "B" PILLAR) RIGHT TURN RUN WIRE SEAT BELT IND LOW OIL PRESSURE IND TIRE PRESSURE IND SERIAL DATA SPLICE BLOCK TAN WIRE TAN/WHT WIRE W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ MANUAL SUPPRESSION SWITCH W/O MANUAL SUPPRESSION SWITCH, RV UPFITTER WHT WIRE YEL WIRE YEL/BLK WIRE

BATT+ VOLT BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) DK PPL FRONT WINDSHIELD WIPER SWITCH HI SIGNAL GRN WIRE GRY WIRE HOT AT ALL TIMES LO INT LOW REFERENCE LT BLU WIRE LT GRN WIRE MIST OFF ORG/ WIRE PNK WIRE RED/WHT WIRE TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WINDSHIELD WASHER PUMP RELAY WINDSHIELD WASHER RELAY CONTROL WINDSHIELD WASHER SWITCH SIGNAL WINDSHIELD WIPER MOTOR (ON LEFT SIDE OF FIREWALL) WINDSHIELD WIPER MOTOR PARK SWITCH SIGNAL WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WINDSHIELD WIPER SWITCH HI SIGNAL WINDSHIELD WIPER SWITCH LOW SIGNAL WINDSHIELD WIPER SWITCH SIGNAL 2 WPR FUSE WSW FUSE YEL WIRE