GMC Savana G1500 (1996-2013) yel Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

AIR TEMPERATURE ACTUATOR (UNDER DASH, RIGHT SIDE OF HVAC PLENUM) AUXILIARY BLOWER MOTOR (IF EQUIPPED) (LEFT REAR OF CABIN, BEHIND REAR WHEELWELL) AUXILIARY BLOWER MOTOR SWITCH (IF EQUIPPED) BLK WIRE BLOWER FUSE BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BRN WIRE CONVENIENCE CENTER DK BLU WIRE GRY WIRE HEAT BLEND DEF HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 HVAC CONTROL ASSEMBLY I/P FUSE BLOCK (LOWER LEFT KICK PANEL) LT BLU WIRE MED LO OFF OFF VENT ORG/ WIRE PPL RED WIRE RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE BLOCK) A/C FUSE A/C HIGH PRESSURE SWITCH (REAR OF A/C COMPRESSOR) AIR TEMPERATURE ACTUATOR (AUXILIARY) (LEFT REAR INTERIOR) AUXILIARY BLOWER MOTOR BLK WIRE BLOWER FUSE BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BRN WIRE CLUTCH RLY CTRL CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE BLOCK) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 HVAC CONTROL ASSEMBLY HVAC CONTROL ASSEMBLY (FRONT AUXILIARY) (IF EQUIPPED) I/P FUSE BLOCK (LOWER LEFT KICK PANEL) LOW PRESS SIG LT BLU WIRE LT GRN WIRE MODE ACTUATOR (AUXILIARY) (LEFT REAR INTERIOR) OFF LO MED HI OFF MAX A/C BI-LEV ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT INNER FENDER) PPL RED WIRE REQUEST SIG RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN E FUSE VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH A/C COMPRESSOR ENABLE RELAY (IN UNDERHOOD FUSE BLOCK) A/C HIGH PRESSURE SWITCH (REAR OF A/C COMPRESSOR) AUXILIARY BLOWER MOTOR (BEHIND LEFT REAR WHEELHOUSE) BLK WIRE BLOWER FUSE BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BRN WIRE CLUTCH RLY CTRL CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE BLOCK) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN HTR A/C FUSE 12 HVAC CONTROL ASSEMBLY HVAC CONTROL ASSEMBLY (FRONT AUXILIARY) HVAC CONTROL ASSEMBLY (REAR AUXILIARY) HVAC CONTROL PROCESSOR AUXILIARY) (FRONT INTERIOR ROOF PANEL) I/P FUSE BLOCK (LOWER LEFT KICK PANEL) LOW PRESS SIG LT BLU WIRE LT GRN WIRE OFF LO MED HI OFF MAX A/C BI-LEV ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT INNER FENDER) PPL RED WIRE REQUEST SIG RR BLOWER FUSE RR CTRL OFF LO MED HI RR HVAC FUSE 24 TAN WIRE TEMP UNDER- HOOD FUSE BLOCK A/C FUSE IGN E FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL 1807 680 PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/BRAKE SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR (VSS) MODULE (BELOW DASH, NEAR STEERING COLUMN) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND W/ 6.5L W/O 6.5L WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

150 150 GROUND GROUND AUXILIARY BLOWER MOTOR SWITCH AUXILIARY HEAT BLK WIRE DIESEL DK GRN WIRE FOG LAMP SWITCH FROM HEADLAMP SWITCH FRONT AUXILIARY HVAC CONTROL ASSEMBLY GAME BOX (SLT, LT) GARAGE DOOR OPENER (SLT, LT) GASOLINE GASOLINE DIESEL GROUND GRY WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK HORN FUSE HOT IN ACCY, RUN RADIO-I FUSE 17 HOT IN OFF, RUN, START I/P FUSE BLOCK TRANS FUSE 20 HVAC CONTROL ASSEMBLY I/P FUSE BLOCK ILLUM FUSE 14 INSTRUMENT CLUSTER NCA WIRE ODOMETER ORG/ WIRE PASSENGER PNK FROM HEADLAMP SWITCH WIRE PPL PPL PNK WIRE PPL/WHT WIRE PRNDL RADIO REAR AUXILIARY HVAC CONTROL ASSEMBLY RSA CONTROL (SLT, LT) RSA-T MODULE (SLT, LT MODELS) TAN WIRE UNDER- HOOD LAMP WHT WIRE YEL WIRE

4.3L 4.8L, 5.3L, 4.3L 6.0L 4.8L, 5.3L, 6.0L 4.8L, 5.3L, 6.6L 6.0L A/C COMPRESSOR RELAY 40 (MANUAL A/C) BANK 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BANK 2 SENSOR 1 BLK WIRE BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 39 DRL PCB ECM PWR/TRN FUSE 78 ENGINE CONTROL MODULE (ECM) ENGINE COOLING FAN MOTOR (6.6L) EVEN IGN/ FUEL INJ INJ FUSE 79 FUSE 75 (DIAGRAM 2 OF 5) FAN CLTCH (EV) FUSE 63 (6.6L) ECM PWR/TRN COOLING FUSE 45 FAN RELAY (6.6L) FROM TRLR WRG FUSE 42 (DIAGRAM 1 OF 5) FUEL FUEL FUEL FUEL INJECTOR INJECTOR INJECTOR INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL HEATER (6.6L) FUEL HTR FUSE 71 FUEL INJECTOR FUEL PUMP RELAY 38 HEADLAMP HIGH BEAM RELAY HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HEATED OXYGEN SENSOR HORN WASH IGNITION IGNITION IGNITION IGNITION COIL 2 COIL 4 COIL 6 COIL 8 IGNITION IGNITION IGNITION IGNITION COIL 3 COIL 1 COIL 5 COIL 7 INJ FUSE 75 LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LOW BEAM LPG FUEL VEHICLE, 3 TANK VEHICLE KIT LPG FUEL VEHICLE, 4 TANK VEHICLE KIT MAF/CNSTR VENT FUSE 64 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR MEGA FUSE NCA WIRE ODD IGN/ FLEX INJ FUSE 65 FUEL FUSE (EXCEPT 6.6L) PASSENGER COMPARTMENT FUSE BLOCK (DIAGRAM 4 OF 5) PNK (OR RED) WIRE PNK WIRE PNK/BLK WIRE PWR/TRN RELAY 49 RED WIRE RED/BLK WIRE REDUCTANT HEATED SENSOR OXYGEN MODULE SENSOR RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY (W/ TRUCK TRAILER) STOP LAMP PCB RELAY (CUTAWAY) TO EVEN IGN/INJ FUSE 79 (DIAGRAM 2 OF 5) TO FUSE HOLDER (DIAGRAM 5 OF 5) TO RUN/CRNK RELAY 15 (DIAGRAM 3 OF 5) W/ CUTAWAY WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY WPR FUSE 55 YEL WIRE

7 CM FROM BREAKOUT FOR REAR FUSE BLOCK) AIR BAG FUSE 28 BLK WIRE BODY CONTROL MODULE (BCM) BRK SW IPC FUSE 10 FUSE 13 BRN WIRE CONNECTOR CONTENT THEFT DETERRENT MODULE (TDM) DK BLU WIRE DOME FLUORESCENT WORK LAMPS FUSE 2 FROM MEGA FUSE (DIAGRAM 2 OF 5) FROM PASSENGER COMPARTMENT FUSE BLOCK (DIAGRAM 4 OF 5) FSCM IGN FUSE 6 FUEL PUMP CONTROL MODULE (5.3L) HARNESS, 15 CM FROM REAR FUSE BLOCK) HARNESS, 8 CM FROM REAR FUSE BLOCK) IGN IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT CLUSTER KEY-IN SWITCH LEFT FRONT ACCESS PANEL RELAY LEFT REAR ACCESS PANEL RELAY OFF ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR ACCESS PANEL RELAY RUN WIRE RUN/CRNK RELAY 15 STEERING WHEEL SPEED/ ANGLE SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 29 (W/ ACTIVE BRAKE CONTROL) TO TRANS FUSE 17 (DIAGRAM 5 OF 5) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO LAMP W/O RV UPFITTER, MANUAL W/ MANUAL SUPPRESSION SUPPRESSION WHT WIRE YEL WIRE