Chevrolet Uplander I (2004-2008) (right side of engine compt on upper front of radiator support) Wiring diagrams

1049 459 473 COMPUTER DATA LINES SYSTEM 15 53 54 15 33 50 CLASS 2 DATA RLY CTRL RLY CTRL 3.5L 3.9L 3.5L 35 55 30 55 LOW REF ECT SENSOR A/C CLTCH FUSE 6 A/C CLTCH RELAY A/C COMPRESSOR CLUTCH BLK WIRE DIODE 3 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM FAN 1 FUSE 29 FAN 1 RELAY FAN 2 FUSE 33 FAN 2 RELAY FAN 3 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED LEFT COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LT BLU WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (3.5L) ENGINE CONTROL MODULE (ECM) (3.9L) RED WIRE RIGHT COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) RLY CTRL UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YEL WIRE

16 8 17 4 HAZARD SW SIG PRK LMP SW ON SIG RT TRN SIG SW LT TRN SIG SW 38 42 41 CLASS 2 SER DATA RF TRN SIG VLT LF TRN SIG VLT BATT POSITIVE VOLTAGE BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRAKE PEDAL POSITION SENSOR (ABOVE BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CHMSL RESISTOR COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE GRY/BLK WIRE HEADLIGHT SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LOW REF BRK POS SENS SIG BATT POS VOLTAGE PRK LMP RLY CTRL LR STOP/TURN LMP VLT LT BLU/WHT WIRE LT GRN WIRE NCA WIRE OFF AUTO ORG/ WIRE PARK HEAD PARK LAMP RELAY 28 PARK/LAMP FUSE 20 RED WIRE RED/WHT WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RR STOP/TURN LMP VLT STOP/ TRN FUSE 12 TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH (ON LEFT SIDE OF UPPER STEERING COLUMN) UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPARTMENT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE 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

AMBIENT LIGHT SENSOR (IN CENTER OF DASH UPPER TRIM PANEL) B+ CLASS 2 SER DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) BRN WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL AMB LT SENS SIG FLASH TO PASS SIGNAL FTP GRY WIRE HEAD HEADLAMP SWITCH HEADLAMPS OFF SIGNAL HEADLAMPS ON SIGNAL HI BEAM RELAY HIGH BEAM IND HIGH BEAM RELAY CONTROL HOT AT ALL TIMES LEFT FRONT PARK/TURN SIGNAL LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LF TURN SIG LMP SPLY VOLT LH LO BEAM FUSE 8 LO BEAM RELAY LOGIC INSTRUMENT PANEL CLUSTER (IPC) LOW BEAM RELAY CONTROL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER HEADLAMPS SUGGESTED OFF AUTO PARK PNK WIRE PNK/WHT WIRE PPL PPL DIMMER SWITCH HI BM SIG RF TURN SIG LMP SPLY VOLT RH HI BEAM FUSE 1 RH LO BEAM FUSE 12 LH HI BEAM FUSE 4 RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH WHT WIRE YEL WIRE

3.9L 3.5L 49 57 37 21 48 31 4 7 RLY CTRL SENS SIG 53 54 15 33 50 15 RLY CTRL RLY CTRL CLASS 2 DATA A/C CLTCH FUSE 6 A/C CLTCH RELAY A/C COMPRESSOR CLUTCH A/C OFF FOR ENGINE PROTECTION ENGINE COOLANT HOT AUX FAN SPEED SELECT IGN IGN AUX TEMP SELECT LOGIC AUXILIARY BLOWER MOTOR (W/ REAR A/C) (BEHIND LEFT REAR INTERIOR BODY PANEL) AUXILIARY BLOWER MOTOR CONTROL MODULE (W/ REAR A/C) (IN REAR HVAC MODULE, BEHIND BLK WIRE BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DIGITAL VIDEO DISC (DVD) PLAYER (IF EQUIPPED) DIODE 3 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM FAN 1 FUSE 29 FAN 1 RELAY FAN 2 FUSE 33 FAN 2 RELAY FAN 3 RELAY FAN SPEED SWITCH FUSE 26 GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT W/ IGN MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CLASS 2 SERIAL DATA LEFT COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LEFT REAR INTERIOR BODY PANEL) LOGIC LOW REF LT BLU WIRE MESSAGE CENTER ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (3.5L) ENGINE CONTROL MODULE (ECM) (3.9L) RED WIRE RIGHT COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) RR BLWR/ RUN WIRE TEMP SELECT SWITCH UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YEL WIRE