Chevrolet Uplander I (2004-2008) (at engine to transmission Wiring diagrams

A/T SHIFT LOCK CONTROL SOLENOID AUTOMATIC TRANSMISSION BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) INTERNAL MODE SWITCH (IMS) LT GRN WIRE ORG/ WIRE RED/BLK WIRE RED/WHT WIRE SEATS SYSTEM SIT-N-LIFT SEAT DIODE 1 (IN SIT-N-LIFT SEAT BASE HARNESS) STOP/ TRN FUSE SUPPLY VOLTAGE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (TCM) W/ SIT-N- LIFT SEAT W/O SIT-N- LIFT SEAT WHT WIRE YEL WIRE YEL/BLK WIRE

3.9L 3.5L 40 20 17 12 REQ TORQUE SIG DEL TORQUE SIG ABS FUSE 13 ABS MOTOR FUSE 31 B + SOL VLV CTRL B+ PUMP MOTOR CONTROL BLK WIRE BLK/WHT WIRE BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE CLASS 2 SER DATA CLASS 2 SER DATA LR WHEEL SPEED SENS LOW REF LR WHEEL SPEED SENS SIG COMPUTER DATA LINES SYSTEM DEL TORQUE SIG DK GRN WIRE DK GRN/WHT WIRE GRN WIRE HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) IGN MAIN RELAY LATERAL ACCELEROMETER SIGNAL RF WHEEL SPEED SENS LOW REF LEFT FRONT INLET LEFT FRONT ISO- LATION (W/ TCS) LEFT FRONT PRIME (W/ TCS) LEFT REAR INLET LEFT REAR OUTLET LF WHEEL SPEED SENS SIG LF WHEEL SPEED SENS LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK WIRE PUMP MOTOR RED WIRE RED/BLK WIRE REQ TORQUE SIG RF WHEEL SPD SENS SIG RIGHT FRONT ISO- LATION RIGHT FRONT OUTLET RIGHT FRONT PRIME (W/ RIGHT LEFT FRONT INLET FRONT OUTLET RIGHT RIGHT REAR REAR INLET OUTLET SOLENOID VALVES STEERING WHEEL POS SIG A STEERING WHEEL POS SIG B STOP LAMP SUPPLY RR WHEEL SPD SENS SIG RR WHL SPD SEN LOW REF LOW REF TAN WIRE TAN/BLK WIRE TCS UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPARTMENT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YAW RATE SEN SIG YEL WIRE

3.5L AUTOMATIC TRANSMISSION BACKUP LMP SUP VOLT BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CHMSL BACK-UP FUSE 17 (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) DK GRN/WHT WIRE GRN WIRE GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK INTERNAL MODE SWITCH (MS) LEFT BACK-UP LAMP LT GRN WIRE NAVIGATION SYSTEM (REAR PARKING ASSIST) RANGE SW B REAR OF VEHICLE) LT RED/BLK WIRE RED/WHT WIRE RIGHT BACK-UP LAMP SIG A SIG B TAN/WHT WIRE TRANS RANGE SW TRANSMISSION CONTROL MODULE (TCM) W/ REAR A/C YEL WIRE

3.5L 3.9L 3.9L A/C COMPRESSOR CLUTCH AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR AUTOMATIC LEVEL CONTROL (ALC) SENSOR AUTOMATIC TRANSMISSION IGNITION CONTROL MODULE (ICM) AUXILIARY BLOWER MOTOR CONTROL MODULE BATTERY BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) ELECTRONIC BRAKE CONTROL MODULE FAN 2 RELAY FUEL PUMP RELAY DIODE 3 HOOD AJAR SWITCH INTERNAL MODE SWITCH LEFT BACKUP LAMP LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT HIGH BEAM HEADLAMP LEFT HORN LEFT LOW BEAM HEADLAMP LEFT SLIDING DOOR MODULE (LSDM) LEFT TAIL LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR RIGHT COOLING FAN RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT HORN THROTTLE ACTUATOR CONTROL (TAC) MODULE TOWARD LEFT HORN) W/ LEFT POWER SLIDING DOOR W/ REAR A/C W/ REMOTE KEYLESS ENTRY W/ TRAILER PROVISIONS W/O REAR A/C WHT WIRE

1 2 GROUND BATT + 115 VAC AUXILIARY POWER OUTLET 2-3 SHIFT SOLENOID (2-3 SS) VALVE 1-2 SHIFT SOLENOID (1-2 SS) VALVE AC/CLTCH RELAY AC/DC INVRTR FUSE ACCESSORY AC/DC POWER CONTROL MODULE (BEHIND RIGHT REAR INTERIOR BODY PANEL) AIR BAG FUSE APO NEUTRAL APO PHASE A AUTOMATIC TRANSMISSION AUX/PWR BLK WIRE BODY CONTROL MODULE BRN WIRE CIGAR LIGHTER CRUISE CONTROL LEVER CRUISE/SWITCH FUSE DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) FROM AC/DC FROM RR DEFOG FUSE (DIAGRAM 1 OF 4) FROM SPLICE 273 (DIAGRAM 1 OF 4) FRONT AUXILIARY POWER OUTLET FUSE HVAC CONTROL MODULE IP FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) HVAC/RPA/ CRUISE FUSE IGN MAIN RELAY INFLATABLE RESTRAINT PASSENGER AIRBAG ON/OFF INDICATOR INFLATABLE RESTRAINT STEERING WHEEL COIL MODULE INVTR CTRL INVTR FUSE (DIAGRAM 2 OF 4) LATE PRODUCTION NCA WIRE PCM IGN FUSE PLUG INSERTED SWITCH PNK PNK (W/ SIDE AIR BAGS) (W/O SIDE AIR BAGS) WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK W/O SIT-N- LIFT SEAT W/ SIT-N- LIFT SEAT WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (3.5L) ENGINE CONTROL MODULE (ECM) (3.9L) REAR AUXILIARY POWER OUTLET RED WIRE RED/BLK WIRE SIT-N-LIFT SEAT IGNITION RELAY SPARE FUSE TO IGNITION MAIN RELAY (DIAGRAM 2 OR 4) TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TRANS SOLS FUSE ABS FUSE UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) W/ AUXILIARY POWER OUTLET W/ CRUISE CONTROL WHT WIRE YEL WIRE

12 V REF 12 V REF 3 4 PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG CKP SENSOR SIG DK BLU WIRE DK GRN/WHT WIRE EGR SOL HIGH ENGINE OIL PRESSURE SWITCH (STARTER MOTOR) EVAP CANISTER PURGE SOLENOID (ON LEFT SIDE OF ENGINE, REAR OF THROTTLE BODY) FUEL INJECTORS GEN FD DUTY GEN ON SIG KS 2 SIG ECT SENSOR SIG GROUND OIL PRESS SIG GROUND GRY WIRE HEATED OXYGEN IC 3 CTRL KNOCK SENSOR BANK 1 (RIGHT SIDE OF ENGINE BLOCK) KNOCK SENSOR BANK 2 LOW REF LOW REF 5 VOLT REF 5 VOLT REF LOW REF EGR SOL LOW LOW REF LOW REF KS 1 SIG GROUND LOW REF EVAP PURGE SOL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SENSOR SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 8 9 10 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN AIR CLEANER ASSEMBLY) PPL PPL 14 15 PPL IC 1 CTRL PPL/WHT WIRE STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM 225 1876 410 1251 231 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2 3 PPL 2-3 SHIFT SOL 3 4 PNK WIRE AAP SENSOR 1 LOW REF 5 VOLT REF ACCELERATOR PEDAL POSITION SENSOR (ON ACCELERATOR BRACKET) ANTI-LOCK BRAKES AT ISS HIGH SIG AT ISS LOW SIG AXLE ACT CNTRL BLK WIRE BLK/WHT WIRE BRAKES ANTI-LOCK BRN WIRE BRN/WHT WIRE CONTROLS TRANSMISSION DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DLVD TORQ SIG GROUND GRY WIRE HEATED OXYGEN IAT IAT SENSOR SIG IGNITION CONTROL MODULE (ICM) (TOP REAR OF ENG) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MAF MAF SENSOR SIG NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PC SOL HIGH PC SOL LOW PNK 8 9 10 WIRE PNK PNK PNK 4 5 6 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN AIR CLEANER ASSEMBLY) PPL PPL 14 15 PPL/WHT WIRE PRIMARY UART GROUND IGN 1 VOLT RANGE SW 3 RANGE SW B RANGE SW P RED/WHT WIRE REQ TORQ SIG STOP LAMP SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC RELEASE TFT SNS SIG TRANS RANGE SW VSS HIGH SIG VSS LOW SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2 3 PPL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ETC FUSE 18 FUEL INJ FUSE 16 ELEC IGN FUSE 15 ENG SNSR/ EVAP FUSE 19 FUEL PUMP FUSE 2 FUEL PUMP RELAY GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH) IGN MAIN RELAY INTERNAL MODE SWITCH LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/BLK WIRE PCM ETC FUSE PCM IGN FUSE 14 PNK 1 2 WIRE PNK 4 5 WIRE PNK PNK PNK 4 5 6 WIRE PNK WIRE PPL PRESSURE CONTROL SOLENOID VALVE PWR/ TRN RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH RELEASE SEAT TRANS SOLS FUSE 11 UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YEL WIRE YEL/BLK WIRE

4 5 6 PNK PNK WIRE 5 VOLT REF 5 VOLT REF 7 8 PNK WIRE BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION ACTUATOR SOLENOID (FRONT OF ENGINE) CMP SENSOR SIG OIL SENS SIG DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE ENGINE OIL PRESSURE SENSOR (LOWER LEFT SIDE OF ENGINE BLOCK) FUEL INJ 2 FUEL INJ 6 FUEL INJ 3 FUEL INJ 1 GROUND FUEL INJ 4 IC 3 CONTROL FUEL INJ 5 FUEL INJECTORS GROUND LOW REF GRY WIRE GRY/WHT WIRE HEATED OXYGEN IAT IAT SENS SIG CKP SENSOR SIG TP SENSOR SIG 1 IGNITION CONTROL MODULE (ICM) (TOP OF VALVE COVER) KNOCK SENSOR BANK 1 KNOCK SENSOR BANK 2 LOW REF LOW REF 5 VOLT REF 5 VOLT REF LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF MASS AIR FLOW/ INTAKE AIR TEMPERATURE SENSOR (IN AIR INTAKE) NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL TP SENSOR SIG 2 MAF SENS SIG PPL/WHT WIRE TAN WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (ON THROTTLE BODY) WHT WIRE YEL WIRE YEL/BLK WIRE

4 5 6 PNK PNK WIRE 5 VOLT REF 7 8 PNK WIRE A/C SENS SIG AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES BLK WIRE BLK/WHT WIRE BRAKES ANTI-LOCK BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DELI TORQUE SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH (BASE OF OIL PAN) GEN CYCLE SIG GEN TURN SIG GRY WIRE LINES SYSTEM COMPUTER DATA LO SPEED FAN LOW REF LT BLU/WHT WIRE LT GRN WIRE MAP SENSOR SIG OIL LEVEL SIG ORG/ WIRE ORG/BLK WIRE OUT PUT SIG PARK/NEUT SIG PNK PNK 1 2 WIRE PNK PNK 6 7 8 WIRE PNK WIRE PNK/BLK WIRE RED WIRE REQ TORQUE SIG SENS SIG SERIAL DATA SYSTEM SYSTEM STARTING/CHARGING TAN WIRE TAN/BLK WIRE VARIABLE CTRL WHT WIRE YEL WIRE YEL/BLK WIRE