GMC Savana G2500 (1996-2013) org/ 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

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

A/C LOW PRESSURE SWITCH (ON SIDE OF ACCUMULATOR) AUXILIARY AIR TEMPERATURE ACTUATOR (ON AUXILIARY HVAC ASSEMBLY) AUXILIARY BLOWER MOTOR (ON AUXILIARY HVAC) AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR RESISTOR (ON AUXILIARY HEATER MOTOR) AUXILIARY HVAC MODULE) AUXILIARY MODE DOOR ACTUATOR BATT GND BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT HEATER BLOWER MOTOR COOLANT HEATER COMBUSTION SENSOR COOLANT HEATER CONTROL MODULE COOLANT HEATER GLOW PLUG COOLANT HEATER OVERHEAT TEMPERATURE SENSOR COOLANT HEATER AIR TEMPERATURE SENSOR COOLANT HEATER TEMPERATURE SENSOR DK BLU WIRE DK BLU/LT GRN WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COOLANT LEVEL SWITCH ENGINE COOLANT TEMPERATURE GAUGE FOH MDL FUSE FROM AUXILIARY BLOWER MOTOR BREAKOUT) FUEL PUMP GND SERIAL - SERIAL + SERIAL - SERIAL + GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC COOLANT LEVEL SW SIG LOW REF LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE ORG/ WIRE PROVISIONAL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VOLT WHT WIRE YEL WIRE

BLK WIRE BLOWER MOTOR (ON RIGHT REAR OF ENGINE COMPT, ON EVAPORATOR CASE) BLOWER MOTOR RELAY BREAKOUT) BRN WIRE BRN/WHT WIRE DEFOGGER SWITCH DEFOGGER IND DEFOGGER SYSTEM DK BLU WIRE DK GRN/WHT WIRE EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP (6.6L) FLOOR MIX BLEND DEF MAX A/C OFF A/C BI-LEV FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRT BLWR FUSE 74 GND IGN 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 LEFT REAR OF ENGINE) (4.3L: RIGHT REAR OF ENGINE) LOGIC 2 1 LT BLU WIRE LT GRN WIRE MAX A/C OFF A/C BI-LEV VENT MED OFF ORG/ WIRE PASSENGER COMPARTMENT FUSE BLOCK PNK/BLK WIRE PPL PPL/WHT WIRE REAR REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR BLWR FUSE 29 RED WIRE RED/BLK WIRE RED/WHT WIRE RR AUX BLWR MTR CTRL SW FRT AUX BLWR MTR SPLICE BLOCK TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VENT FLOOR DEF MIX BLEND W/ ELECTRIC REAR WINDOW DEFOGGER, POWER MIRRORS W/ RV UPFITTER W/O RV (ATTACHED TO LOWER RIGHT "B" PILLAR PART OF UPFITTER W/O RV UPFITTER W/O RV W/ RV UPFITTER UPFITTER WHT WIRE YEL WIRE

2501 2500 2501 2500 COMPUTER DATA LINES SYSTEM A/C LOW PRESSURE SWITCH (ON SIDE OF ACCUMULATOR) AUXILIARY AIR TEMPERATURE ACTUATOR (ON AUXILIARY HVAC ASSEMBLY) AUXILIARY BLOWER MOTOR (ON AUXILIARY HVAC) AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY (ON AUXILIARY AUXILIARY HVAC MODULE) AUXILIARY MODE DOOR ACTUATOR BATT GND BLK WIRE BLK/WHT WIRE BLOWER MOTOR BREAKOUT) BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT HEATER BLOWER MOTOR COOLANT HEATER COMBUSTION SENSOR COOLANT HEATER CONTROL MODULE COOLANT HEATER GLOW PLUG COOLANT HEATER OVERHEAT TEMPERATURE SENSOR COOLANT HEATER AIR TEMPERATURE SENSOR COOLANT HEATER TEMPERATURE SENSOR DK BLU WIRE DK BLU/LT GRN WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COOLANT LEVEL SWITCH ENGINE COOLANT TEMPERATURE GAUGE FOH MDL FUSE FUEL PUMP GND SERIAL - SERIAL + SERIAL - SERIAL + GRN/RED WIRE GRY WIRE HEATER MOTOR HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC COOLANT LEVEL SW SIG LOW REF LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE ORG/ WIRE PROVISIONAL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VOLT WHT WIRE YEL WIRE

397 552 5929 CRUISE CONTROL SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (FRONT OF ENGINE) COOLANT LEV SIG HI IDLE SW COOLANT LEVEL SWITCH CRUISE CONTROL SYSTEM CRUISE ON LOW REF LOW REF CRUISE SET DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EGR VAL POS SIG ECT SENSOR SIG ENGINE CONTROL MODULE (ECM) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP OF ENGINE, NEAR THERMOSTAT HOUSING) ENGINE OIL LEVEL SWITCH (LEFT SIDE OF OIL PAN) FUEL PRESS INJ + GROUP 2 GRY WIRE GRY/BLK WIRE IAT SENSOR 2 SIG IAT SENSOR SIG LOW REF LOW REF CMP SENSOR SIG LOW REF CRANK VOLT PPL LOW REF TUR VANE POS INJ + GROUP 3 INJ 5 INJ 4 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL LEVEL SW SIG CRUISE RESUME LOW REF OIL PRESS SIG ORG/ WIRE ORG/BLK WIRE PARTIAL PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BRN WIRE COMPUTER DATA LINES STSYEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSIBLE LINK 1 GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 4 GLOW PLUG 5 GLOW PLUG 6 GLOW PLUG 7 GLOW PLUG 8 GLOW PLUGS GMLAN DATA GRD GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH SIG IAH TEMP SIG IAH VOLT SIG IGN 0 IGN 1 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WATER IN-FUEL SENSOR WHT WIRE WHT/BLK WIRE WHT/DK GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

8 9 10 11 12 PNK WIRE A/C REQ SIG A/C SYSTEM BLK WIRE BRN WIRE CKP SENSOR SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM/TCM GLOW PLUG CNTRL MDL IGN 1 FUSE 38 ENG 1 FUSE 23 ENGINE CONTROL MODULE (ECM) FRP SENSOR SIG FUSIBLE LINK 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC, RUN, START HOT IN RUN, START IGN 0 FUSE 6 IGN 1 IGN E FUSE 22 INJ 1 INJ 2 INTAKE AIR TEMPERATURE (IAT) SENSOR 2 (AT FRONT OF TURBOCHARGER) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK 22 23 24 WIRE PNK WIRE PNK/BLK WIRE PPL PPL 25 26 27 28 29 30 PPL/WHT WIRE RED WIRE RED/WHT WIRE STOPLAMP SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TAN/WHT WIRE TUR VAN POS UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

14 15 16 17 18 19 20 21 PPL 20 21 22 23 24 25 26 27 PPL 22 23 24 PNK WIRE 28 29 30 PNK WIRE 8 9 PNK WIRE BLK/WHT WIRE BRN WIRE CAN VENT FUSE 34 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGN LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK 6 7 WIRE PNK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE RED/WHT WIRE SIGNAL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (ON RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

12 REF GND 20 21 22 23 24 25 26 27 PPL 28 29 30 PNK WIRE 8 9 PNK WIRE A/C REQUEST A/C SYSTEM (W/ FRONT MANUAL CONTROLS) ANTI-LOCK BRAKES SYSTEM CRUISE CONTROL SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CNTRL CRANK FUSE 27 CRUISE CONTROL SYSTEM CRUISE ENGAGED CRUISE INHIBIT DISTRIBUTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG 1 FUSE 23 EVAP CANP CTRL EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS VSS TFT SENS SIG GEN CYCLE SIG IAC COIL B HI IAC COIL B LOW IAC COIL A LOW IAC COIL A HI GEN IND. GRY WIRE HOT IN RUN, START HOT IN START IDLE AIR CONTROL VALVE (ON LEFT SIDE OF THROTTLE BODY) IGN 1 IGN COIL IGNITION COIL IGNITION CONTROL MODULE INSTRUMENT PANEL CLUSTER LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SIG MAP SIG MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE ORG/BLK WIRE PC SOL HI CTRL PC SOL LO CTRL PMP RLY CTRL PCM IGN 1 FUSE 38 PNK 6 7 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL FRONT LOW SIG FRONT HIGH SIG PPL FUEL LEV SIG A/C LOW PRESS PPL PNK PNK WIRE PPL/WHT WIRE PRND C SIG PRESS SENS SIG FUEL PRESS SIG PNK WIRE REF LOW PRESS SENS SIG CRANK VOLT STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL CLU RLY CTRL TP SENS SIG IAT SIG IC TIMING CNTRL UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE