Saturn Sky I (2006-2009) message center Wiring diagrams

67 70 LOW REF AMB AIR TEMP SIG 82 44 ECT SENS SIG LOW REF A/C CLTCH RELAY 15 A/C FUSE 22 A/C REQUEST SIG DATA BUS (+) DATA BUS (-) GMLAN SERIAL DATA BCM 3 FUSE 4 BLK WIRE BODY CONTROL MODULE (BCM) (RIGHT OF HVAC MODULE) BRAKE BOOSTER VACUUM SENSOR (ON BRAKE VACUUM BOOSTER) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE ENG COOL FAN ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT REAR CORNER OF ENGINE BLOCK) FUSE 1 GND FAN SW GRN WIRE GRY WIRE HOT AT ALL TIMES HVAC RELAY 30 INSTRUMENT PANEL CLUSTER (IPC) LEFT AIR TEMPERATURE ACTUATOR (LEFT SIDE OF HVAC MODULE) LOGIC LOW COOLANT COOLING MODE ON LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER MESSAGE REQUEST MODE ACTUATOR (MOUNTED ON LEFT SIDE OF HVAC MODULE) ORG/BLK WIRE OUTSIDE AIR TEMPERATURE SENSOR PWR/TRN RELAY 26 RED WIRE RED/BLK WIRE RIGHT AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN RIGHT REAR CORNER OF ENGINE COMPT) WHT WIRE YEL WIRE

33 53 37 21 57 DATA BUS (-) DATA BUS (+) 35 55 49 LOW REF ECT SENS SIG LOW SPD RLY CTRL 54 53 HI SPD RLY CTRL CLUTCH RLY CTRL 67 70 LOW REF AMB AIR TEMP SIG 69 2 20 38 A/C REQUEST SIG DATA BUS (+) DATA BUS (-) GMLAN SERIAL DATA A/C CLTCH RELAY 15 A/C FUSE 22 A/C REFRIGERANT PRESSURE SENSOR (AT TOP LEFT SIDE OF ENGINE, NEAR THROTTLE BODY) BCM 3 FUSE 4 BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (RIGHT OF HVAC MODULE) BRN WIRE COMPUTER DATA LINES SYSTEM COOL FAN COOL FAN 2 COOL FAN 2 RELAY 24 COOL FAN RELAY 50 DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT REAR CORNER OF ENGINE BLOCK) ENGINE COOLING FAN (AT FRONT OF ENGINE COMPT, BEHIND RADIATOR) FUSE 40 FUSE 8 GND FAN SW GRN WIRE GRY WIRE HOT AT ALL TIMES HVAC RELAY 30 INSTRUMENT PANEL CLUSTER (IPC) LEFT AIR TEMPERATURE ACTUATOR (LEFT SIDE OF HVAC MODULE) LOGIC LOW COOLANT COOLING MODE ON LOW REF REF PR SENS SIG LOW SPEED GMLAN SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT DK LT GRN WIRE LT GRN/BLK WIRE MESSAGE CENTER MESSAGE REQUEST MODE ACTUATOR (MOUNTED ON LEFT SIDE OF HVAC MODULE) ORG/BLK WIRE OUTSIDE AIR TEMPERATURE SENSOR PWR/TRN RELAY 26 RED WIRE RED/BLK WIRE RIGHT AIR TEMPERATURE ACTUATOR (RIGHT SIDE OF HVAC MODULE) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (IN RIGHT REAR CORNER OF ENGINE COMPT) WHT WIRE YEL WIRE

AMBIENT LIGHT SENSOR (AT TOP OF DASH TRIM PAD) AUTO LIGHTS OFF AUTO LIGHTS ON AUTO PARK BLK WIRE BLK/WHT WIRE BRN WIRE CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM DK GRN/BLK WIRE DK GRN/WHT WIRE DRL FUSE 49 DRL RELAY 48 DRL RLY CTRL HIGH BEAM RLY CTRL FOG LAMP RLY CTRL FOG LAMP FUSE 53 FOG LAMP RELAY 54 FOG LAMP SWITCH FTP FTP LOW GMLAN - GMLAN + GRY WIRE HEAD HI BEAM RELAY 72 HIGH BEAM IND FOG LAMP IND HOT AT ALL TIMES HOT W/ RUN/ CRANK RELAY ENERGIZED HVAC/ IP IGN FUSE 16 INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO BEAM RELAY 71 LOGIC LOGIC BODY CONTROL MODULE (BCM) (RIGHT OF HVAC MODULE) LOW SPEED GMLAN LT GRN/BLK WIRE LT HI BEAM FUSE 63 LT LO BEAM FUSE 65 MESSAGE CENTER OFF ORG/ WIRE PNK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE 67 RT LO BEAM FUSE 66 TAN/WHT WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (IN RIGHT REAR CORNER OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

2.4L 2.0L 9 36 9 44 LOW REF FUEL LVL SENS SIG PPL ABS IND. AIR BAG IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (RIGHT OF HVAC MODULE) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRAKE/ BRN/WHT WIRE CHARGING IND CLSTR FUSE 7 COMPUTER DATA LINES SYSTEM CTRL DATA DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE ELECTRONIC PRNDL (A/T) ENG OIL PRES SIG ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE IND ENGINE OIL PRESSURE (EOP) SWITCH (LEFT REAR OF ENGINE) FLUID FOG LAMPS IND FUEL LEVEL GAUGE FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) FUEL SENDER GMLAN GRN WIRE GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START HVAC/ IP IGN FUSE 16 ILLUM (6 BULBS) IND INFLATABLE RESTRAINTS STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROL SWITCH LEFT TURN IND LO SPD LOGIC LOW COOLANT IND LOW FUEL WARNING LAMP IND LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT PPL PNK WIRE MALFUNCTION INDICATOR LAMP (SERVICE ENGINE SOON) MESSAGE CENTER MIL CTRL OIL LEVEL IND LAMP ORG/ WIRE ORG/BLK WIRE PARK PARK BRAKE SWITCH (IN CENTER CONSOLE, PART OF A/T SHIFT CONTROL ASSEMBLY) PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PRNDL SIG A CTRL PRNDL SIG B CTRL PRNDL SIG C PRNDL SIG A PRNDL SIG D PRNDL SIG B RED WIRE RED/WHT WIRE REDUCED POWER IND RIGHT TURN IND SEAT BELT IND SECURITY SECURITY IND SENS SERIAL SERIAL DATA SERIAL DATA PRNDL SIG D CTRL PRNDL SIG C CTRL SERVICE VEHICLE SOON IND SIG SPEEDOMETER (MPH/KMH) TACHOMETER TAN WIRE TAN/BLK WIRE WHT WIRE

BATT POS VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (RIGHT OF HVAC MODULE) COMPUTER DATA LINES SYSTEM DK GRN/BLK WIRE DK GRN/RED WIRE DOOR LOCK PCB RELAY DOOR UNLOCK PCB RELAY DR AJAR DR DOOR UNLOCK PCB RELAY DR LCK FUSE 26 DR LOCK CTRL DR UNLOCK CTRL DRIVER DOOR LOCK ACTUATOR (INSIDE CENTER REAR OF LEFT DOOR) DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) (SOLSTICE) DRV DR AJAR PASS DR AJAR DRV DR LOCK RLY UNLOCK CTRL GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LF DR AJAR SW SIG LOCK LOGIC LOW SPD GMLAN SERIAL DATA LT GRN/BLK WIRE MESSAGE CENTER MESSAGE CENTER (SKY) MESSAGE REQUEST KEY FOB BATT LOW PASSENGER DOOR LOCK ACTUATOR (INSIDE CENTER REAR OF RIGHT DOOR) PASSENGER DOOR LOCK SWITCH REAR COMPT LOCK ACTUATOR UNLOCK RED WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND DRIVER SEAT, RF DR AJAR SW SIG S BAND ONSTAR/PKE FUSE 56 SKY SOLSTICE TAN WIRE TAN/WHT WIRE TO RIGHT CENTER OF REAR SUPPORT) TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (IN RIGHT REAR CORNER OF ENGINE COMPT) UNLOCK W/O POWER WINDOW WHT WIRE

ACTUATOR SOLENOID BREAKOUT) BRN WIRE BRN/WHT WIRE CMP SENS SIG CKP SENS SIG FRP SENS SIG MAP SENS SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXHAUST CAMSHAFT POSITION (CMP) SENSOR (ON ENGINE, AT TOP RIGHT REAR) FUEL INJECTOR 2 (ATTACHED TO FUEL RAIL AT NUMBER 2 CYLINDER) FUEL RAIL PRESSURE (FRP) SENSOR (LEFT FRONT OF ENGINE) GEN TURN ON SIG GRY WIRE HI PRESS FUEL PMP EVAP CAN PURGE SOL CMP SENS SIG IGN INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER INTAKE CAMSHAFT POSITION (CMP) SENSOR (ON ENGINE, AT TOP LEFT REAR) LOGIC LOW REF LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION IND LAMP MESSAGE CENTER MESSAGE REQ (ECM) ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL REDUCED ENGINE POWER CHECK GAS CAP STARTING/CHARGING SYSTEM TAC MTR CTRL 1 TAC MTR CTRL 2 TAN WIRE TAN/BLK WIRE TURBO BYPASS VLV CTRL OIL PRESS SW SIG WASTEGATE SOL CTRL TURBO CHARGED WASTAGATE SOLENOID TURBO CHARGER BYPASS VALVE SOLENOID YEL WIRE