Chevrolet Uplander I (2004-2008) message center Wiring diagrams

ABS IND. B+ LOGIC BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (ABOVE BRAKE PEDAL ASSEMBLY) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE GRY/BLK WIRE INSTRUMENT PANEL CLUSTER (IPC) LATERAL ACCELER- OMETER SIG LEFT FRONT WHEEL SPEED SENSOR (WSS) LEFT REAR WHEEL SPEED SENSOR (WSS) LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MESSAGE CENTER NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) RIGHT REAR WHEEL SPEED SENSOR (WSS) STEERING WHEEL POS SIG A STEERING WHEEL POS SIG B STEERING WHEEL POSITION SENSOR (NEAR BOTTOM OF STEERING COLUMN) STOP LAMP SW SIG TAN WIRE TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPARTMENT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YAW RATE SEN SIG YEL WIRE

15 24 SERIAL DATA PCM RLY ALL WHEEL DRIVE DISABLED AXLE ACT BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIFFERENTIAL CLUTCH PUMP ACTUATOR CHECK VALVE DK GRN WIRE EMIS/ AWD FUSE 22 GROUND GRY WIRE HOT AT ALL TIMES IGNITION 1 INSTRUMENT PANEL CLUSTER LOGIC LT BLU WIRE MESSAGE CENTER PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN AIR CLEANER ASSEMBLY) PWR/ TRN RELAY SERIAL DATA UNDERHOOD FUSE BLOCK (ABOVE RIGHT FRONT WHEEL WELL)

1 2 3 4 VOLTAGE KEYLESS SIG ANTENNA SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CLASS 2 COMPUTER DATA LINES SYSTEM DELAYED LOCKING, DOOR(S) AJAR, LIFTGATE AJAR, KEY FOB LOW BATTERY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR KEY SWITCH (W/ ANTI- THEFT SYSTEM) DRIVER DOOR LOCK SWITCH (MOUNTED ON GROUND GRY WIRE GRY/BLK WIRE HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) INSTRUMENT PANEL CLUSTER (IPC) LOCK LOCK UNLOCK LOCK UNLOCK LEFT FRONT DOOR TRIM) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK SWITCH (MOUNTED ON RIGHT FRONT DOOR TRIM) PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE RFA MDLS FUSE 7 SECURITY INDICATOR TAN WIRE TAN/WHT WIRE THEFT LIGHT EMITTING DIODE TRUNK/ LKS FUSE 1 UNLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

ABOVE DASH COMPT) ABS INDICATOR AIR BAG INDICATOR AMBIENT AIR TEMP SENS SIG BAT POS VOLTAGE BLK WIRE BLK/WHT WIRE BRAKE INDICATOR BRK FLUID LVL SENS SIG BRN/WHT WIRE CHARGING SYSTEM INDICATOR CHIME CLASS 2 SERIAL DATA CLSTR/ HVAC FUSE 8 CRUISE CONTROL ON INDICATOR DIC INFO DN SIG DIC INFO UP SIG DIC MENU SIG DIC SET/RESET SW SIG ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAGE FUEL GAGE GRN WIRE GRY WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES HOT COOLANT INDICATOR I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) IGN 1 VOLTAGE ILLUMINATION INSTRUMENT PANEL CLUSTER (IPC) LEFT TURN INDICATOR LOGIC LOW FUEL INDICATOR LOW OIL PRESSURE INDICATOR LOW REF LT GRN/BLK WIRE MALFUNCTION INDICATOR MESSAGE CENTER ODO/TRIP ORG/ WIRE PASS SEAT BELT IND PNK 1 2 3 4 5 WIRE PNK WIRE PPL RED WIRE RED/WHT WIRE RIGHT TURN INDICATOR SEAT BELT INDICATOR SECURITY INDICATOR SENS SIG SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TRACTION CONTROL OFF INDICATOR 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

1 2 3 4 VOLTAGE KEYLESS SIG ANTENNA SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CLASS 2 COMPUTER DATA LINES SYSTEM DELAYED LOCKING, DOOR(S) AJAR, LIFTGATE AJAR, KEY FOB LOW BATTERY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR KEY SWITCH (W/ ANTI- THEFT SYSTEM) DRIVER DOOR LOCK SWITCH (MOUNTED ON GROUND GRY WIRE GRY/BLK WIRE HORNS SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) INSTRUMENT PANEL CLUSTER (IPC) LOCK LOCK UNLOCK LOCK UNLOCK LEFT FRONT DOOR TRIM) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK SWITCH (MOUNTED ON RIGHT FRONT DOOR TRIM) PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE RFA MDLS FUSE 7 SECURITY INDICATOR TAN WIRE TAN/WHT WIRE THEFT LIGHT EMITTING DIODE TRUNK/ LKS FUSE 1 UNLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

B(+) CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE BRN WIRE CABLE MOTOR CLASS 2 SERIAL DATA CLUTCH COMPUTER DATA LINES SYSTEM DK GRN WIRE GRY WIRE INSTRUMENT PANEL CLUSTER (IPC) LEFT DOOR CONTACT PLATE LEFT DOOR DISABLE LEFT DOOR OPEN/ CLOSE LEFT SLIDING DOOR DETENT SWITCH (INSIDE LEFT SLIDING DOOR) LEFT SLIDING DOOR UNLATCH ACTUATOR (INSIDE LEFT SLIDING DOOR) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MESSAGE CENTER OBSTACLE DETECTED DRVR SLIDING DOOR DRIVER SLIDING DOOR IN MOTION OBSTACLE DETECTED PASS SLIDING DOOR PASSENGER SLIDING DOOR IN MOTION OF DASH, LEFT OF STEERING COLUMN) OVERHEAD CONSOLE MULTIFUNCTION SWITCH PARK SIGNAL POSITION SENSOR RED WIRE RIGHT DOOR CONTACT PLATE RIGHT DOOR ENABLE RIGHT DOOR OPEN/ CLOSE RIGHT SLIDING DOOR DETENT SWITCH RIGHT SLIDING DOOR MOTOR ASSEMBLY RIGHT SLIDING DOOR UNLATCH ACTUATOR (INSIDE RIGHT SLIDING DOOR) SEATS SYSTEM TAN WIRE TAN/WHT WIRE W/ HANDICAPPED W/O HANDICAPPED WHT WIRE YEL WIRE

-HOOD AJAR -REMOTE START DISABLED -REMOTE START ON -SERVICE REMOTE BATT VOLT -STARTING DISABLE 12 VOLT REF 3.5L, 3.9L 3.9L 3.5L BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) CHARGING CIRCUIT CLASS 2 SERIAL DATA CLSTR/ HVAC FUSE 8 CRANK VOLTAGE CRNK RELAY DK GRN WIRE FUSIBLE LINK (8 GA- GROUND DISTRIBUTION SYSTEM GRY WIRE HOLD- IN COIL PULL- IN COIL HOOD AJAR SWITCH (UPPER CENTER OF RADIATOR SUPPORT, ON HOOD LATCH) HOOD AJAR SWITCH SIG HOT AT ALL TIMES HOT IN START OR RUN I/P FUSE BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) IGNITION SWITCH INSTRUMENT PANEL CLUSTER LOCK LT GRN WIRE MESSAGE CENTER PNK IGNITION 1 VOLTAGE WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL PPL RED WIRE RED/WHT WIRE RUN WIRE START ENABLE RLY CTRL STARTER MOTOR STRTR SOL FUSE 30 UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEELWELL) W/ RKE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AIR BAG FUSE 20 AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 (SDM) CLASS 2 SERIAL DATA PASSENGER SEAT BELT INDICATOR DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF DASH, TO LEFT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE GRY WIRE HOT W/ IGN MAIN RELAY ENERGIZED ILLUM INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INSTRUMENT PANEL CLUSTER (IPC) LEFT INFLATABLE RESTRAINT SIDE IMPACT MODULE (IN LEFT FRONT SEAT BACK) LEFT SEAT BELT SWITCH (IN DRIVER SEAT BELT BUCKLE ASSEMBLY) LOGIC B+ LT BLU WIRE LT GRN WIRE MESSAGE CENTER NCA WIRE ORG/ WIRE PASSENGER SEAT BELT IND PASSENGER SEAT BELT NOT FASTENED PNK IGNITION 1 VOLTAGE WIRE PNK OCCUPANT SERIAL DATA WIRE PNK WIRE POWER IND PPL RIGHT INFLATABLE RESTRAINT SIDE IMPACT MODULE (IN RIGHT FRONT SEAT BACK) RIGHT SEAT BELT SWITCH (IN PASSENGER SEAT BELT BUCKLE ASSEMBLY) SEAT BELT IND SEAT BELT TENS LO REF PPS SENS LO REF SEAT BELT TENS SIG GROUND PPS SENS SIG SHORTING BAR SPLICE PACK SWITCH CONNECTOR, BEHIND LEFT DASH ACCESS PANEL) TAN/WHT WIRE UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YEL WIRE YEL/BLK WIRE

1361 1361 608 SEAT BELT TENS LO REF PPS SENS LO REF AIR BAG FUSE 20 AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLK/WHT WIRE CLASS 2 (SDM) CLASS 2 (SDM) B+ CLASS 2 SERIAL DATA PASSENGER SEAT BELT INDICATOR DATA LINK CONNECTOR (DLC) (BELOW LEFT SIDE OF DASH, TO LEFT OF STEERING COLUMN) DK BLU WIRE DK GRN WIRE GRY WIRE HOT W/ IGN MAIN RELAY ENERGIZED ILLUM INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT SEAT BELT PRETENSIONER (IN DRIVER SEAT BELT RETRACTOR ASSEMBLY) LEFT SEAT BELT SWITCH (IN DRIVER SEAT BELT BUCKLE ASSEMBLY) LOGIC LT BLU WIRE LT GRN WIRE MESSAGE CENTER NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER SEAT BELT IND PASSENGER SEAT BELT NOT FASTENED PNK 5 6 WIRE PNK 7 8 WIRE PNK IGNITION 1 VOLTAGE WIRE PNK OCCUPANT SERIAL DATA WIRE PNK WIRE POWER IND PPL RIGHT FRONT SEAT BELT PRETENSIONER (IN PASSENGER SEAT BELT RETRACTOR ASSEMBLY) RIGHT SEAT BELT SWITCH (IN PASSENGER SEAT BELT BUCKLE ASSEMBLY) SEAT BELT IND SEAT BELT TENS SIG GROUND PPS SENS SIG SHORTING BAR SPLICE PACK SWITCH CONNECTOR, BEHIND LEFT DASH ACCESS PANEL) TAN/WHT WIRE UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) YEL WIRE