Chevrolet Equinox I (2004-2009) low ref Wiring diagrams

2 1 3 5 HIGH SERIAL DATA LOW SERIAL DATA 4 5 (NOT USED) ABS FUSE #7 ABS IND. ABS MTR FUSE 49 AIR BAG DISPLY FUSE 25 BATTERY POSITIVE VOLTAGE RF WHEEL SPD SENS LOW REF RF WHEEL SPD SENS SIG BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BEHIND HVAC CONTROL MODULE) BRAKE IND BRN WIRE BRN/WHT WIRE CAN BUS HIGH SERIAL DATA CAN BUS LOW SERIAL DATA COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (BELOW BRAKE MASTER CYLINDER) GROUND GRY WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED I/P FUSE BLOCK (CENTER OF DASH, BENEATH RIGHT SIDE OF RADIO) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT WHEEL STEERING KNUCKLE) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR WHEEL HUB) LF WHEEL SPD SENS SIG LF WHEEL SPD SENS LOW REF LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA LR WHEEL SPD SENS SIG LR WHEEL SPD SENS LOW REF LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT WHEEL STEERING KNUCKLE) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR WHEEL HUB) RR WHEEL SPD SENS LOW REF RR WHEEL SPD SENS SIG SERIAL DATA COMMU ENABLE SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH (TCS) TRACTION CTRL SW SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YAW RATE LATERAL ACCELERATION SENSOR (UNDER PASSENGER SEAT) YEL WIRE

AIR BAG DISPLAY FUSE BATTERY BATTERY CURRENT SENSOR (UNDER UNDERHOOD FUSE BLOCK) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BEHIND HVAC CONTROL MODULE) BRN WIRE CHARGE IND CLASS 2 (PCM) COMPUTER DATA LINES SYSTEM CURRENT SENSOR CURRENT SENSOR SIG DK GRN WIRE ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) FUSIBLE LINK (8 GA- GENERATOR GENERATOR FIELD DUTY CYCLE SIGNAL GENERATOR TURN ON SIGNAL GROUND GRY WIRE HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED IGN INSTRUMENT PANEL CLUSTER (IPC) IP/FUSE BLOCK (CENTER OF DASH, BENEATH RIGHT SIDE OF RADIO) LOGIC LOW REF LOW SPEED GMLAN SERIAL DATA BATTERY POSITIVE VOLTAGE LOW SPPED GMLAN SERIAL DATA LT BLU WIRE ORG/ WIRE PNK CURRENT SENSOR SUPPLY VOLTAGE WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/WHT WIRE RVC FUSE STARTER TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

A/C CLUTCH A/C CMPRSR CLUTCH RELAY A/C COMPRESSOR CLUTCH (AT LOWER LEFT FRONT OF ENGINE) A/C REFRIGERANT PRESSURE SENSOR (NEAR BACK OF A/C COMPRESSOR) BLK WIRE BLK/WHT WIRE BREAKOUTS) DK GRN WIRE DK GRN/WHT WIRE EMISO 2 FUSE ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) FUSE GRY WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED LOW REF ORG/BLK WIRE RLY CTRL SENS SIG TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

BLK WIRE DK BLU WIRE DK GRN WIRE ECT SENS SIG EMISO 2 FUSE ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) FAN 1 FUSE FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN-2 FUSE GRY WIRE HI SPD FAN RLY CTRL HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED LEFT COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LOW REF LOW SPD FAN RLY CTRL LT BLU WIRE ORG/BLK WIRE RIGHT COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

ACCELERATOR PEDAL POSITION (APP) SENSOR (ON ACCELERATOR PEDAL LINKAGE ARM) AIR BAG DISPLAY FUSE APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL BAT POS VOT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BEHIND HVAC CONTROL MODULE) BRAKE PEDAL POS SENS SIG BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL ASSEMBLY) BRN WIRE CHEVROLET COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) GROUND GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED I/P FUSE BLOCK (CENTER OF DASH, BENEATH RIGHT SIDE OF RADIO) INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LT BLU WIRE ORG/BLK WIRE OSS HIGH SIG OSS LOW SIG OUTPUT SHAFT SPEED SENSOR (OSS) PNK WIRE PONTIAC PPL RED WIRE RED/WHT WIRE RES+ RVC FUSE SER DATA SER DATA BUS - SET- SOUND SYSTEMS STEERING WHEEL CNTRL SUP VOLT STOP LAMP SW SIG TAN WIRE TAN/BLK WIRE THROTTLE ACTUATOR CONTROL (TAC) MODULE (ATTACHED TO THROTTLE BODY) TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) (AT LEFT REAR CORNER OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 BATT POS VOLT GROUND BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER HEATED NTC SIG DRIVER HEATED SEAT BACK ELEMENT (IN DRIVER SEAT BACK) DRIVER HEATED SEAT CUSHION ELEMENT (IN DRIVER SEAT CUSHION) DRIVER HEATED SEAT SWITCH DRIVER HEATED SPLY FRONT PASSENGER HEATED SEAT BACK ELEMENT (IN FRONT PASSENGER SEAT BACK) FRONT PASSENGER HEATED SEAT CUSHION ELEMENT (IN FRONT PASSENGER SEAT CUSHION) GRY WIRE HEATED SEAT CONTROL MODULE (UNDER RIGHT FRONT SEAT) HIGH HEAT IND HOT AT ALL TIMES HTD SEATS FUSE 6 HVAC CONTROL MODULE (AT CENTER OF DASH) I/P FUSE BLOCK (CENTER OF DASH, BENEATH RIGHT SIDE OF RADIO) LOGIC LOW HEAT IND LOW REF LOW SPEED GMLAN SERIAL DATA LT BLU WIRE ORG/ WIRE PNK TEMP SEN SIG WIRE PNK WIRE PPL PPL LOW REF RED WIRE RED/WHT WIRE TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

ABS IND. AIR BAG DISPLY FUSE 25 AIR BAG IND ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, BEHIND HVAC CONTROL MODULE) BRAKE FLUID LEVEL SW SIG BRAKE FLUID LEVEL SWITCH BRAKE IND BRN WIRE BRN/WHT WIRE CLASS 2 (PCM) CLSTR FUSE 18 COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE GAGE CRUISE IND DIC DISPLAY DIC SELECT MENU SW SIG DIC SW SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) SWITCH DRL IND ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE (EOP) SWITCH (LEFT SIDE OF ENGINE, ABOUT FOG LAMPS IND FUEL GAGE FUEL LEVEL SENSOR FUEL PUMP, SENDER ASSEMBLY GROUND HI SPD GMLAN SER DATA - HOT AT ALL TIMES HOT W/ IGN 1 RELAY 31 ENERGIZED I/P FUSE BLOCK (CENTER OF DASH, BENEATH RIGHT SIDE OF RADIO) IGN INSTRUMENT PANEL CLUSTER (IPC) KM 000000 TRIP LCD DISPLAY LEFT TURN IND LOGIC LOW GMLAN SERIAL DATA LOW REF LOW SPD GMLAN SERIAL DATA MALFUNCTION IND LAMP MIL CONTROL OIL LEVEL IND OIL PRESSURE SW SIG ORG/ WIRE PARK BRAKE SWITCH (AT BASE OF PARK BRAKE LEVER) PASS AIR BAG OFF IND CTRL PASS AIR BAG ON IND CTRL PASS SEAT BELT IND CTRL PNK PNK WIRE PNK WIRE PPL PPL FUEL LEVEL SENS SIG PPL/WHT WIRE RED WIRE RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SECURITY IND SET/RESET SPEEDOMETER STARTER MOTOR SUPPLEMENTAL RESTRAINTS SYSTEM SW SIG PARK BRAKE TACHOMETER TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP/FUEL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE INFORMATION WHT WIRE YEL WIRE

AIR BAG DISPLY AIR TEMP DOOR POS SIG AIR TEMPERATURE ACTUATOR (IN HVAC ASSEMBLY) AMBIENT AIR TEMPERATURE SENSOR (BEHIND FRONT GRILLE) BLK WIRE BLK/WHT WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE EVAPORATOR TEMPERATURE SENSOR (ON LEFT SIDE OF HVAC MODULE ASSEMBLY) FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED HVAC CONTROL MODULE (AT CENTER OF DASH) HVAC/ BLWR LOW REF LT BLU WIRE LT DK LT GRN WIRE LT GRN/BLK WIRE MODE DOOR CTRL A PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE REAR DEFOG CTRL RLY OUTSIDE AIR TEMP SENS SIG GND RECIRCULATION DOOR CTRL A AIR TEMP DOOR CTRL A LOW REF LOW REF RECIRCULATION DOOR CTRL B AIR TEMP DOOR CTRL B RED WIRE RED/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

16 17 13 15 14 SER DATA BUS+ SER DATA BUS- BR PED POS SEN SIG A/T ST LK CNTRL SUP VOT BAT POS VOT BLK WIRE BRAKE PEDAL POSITION SENSOR (ON BRAKE PEDAL ASSEMBLY) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LOW REF ORG/BLK WIRE RED/WHT WIRE RVC FUSE (LEFT SIDE OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (ON TOP FRONT OF ENGINE, BELOW THROTTLE BODY) CRANKSHAFT POSITION (CKP) SENSOR (LOWER REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EGR SOL HI CTRL EGR SOL LOW CTRL ENGINE CONTROL MODULE (ECM) (MOUNTED ON TOP OF BATTERY COVER) ENGINE OIL PRESSURE (EOP) SWITCH (LEFT SIDE OF ENGINE, ABOUT STARTER MOTOR) EVAP SOL CTRL FUEL INJ 2 CTRL FUEL INJ 6 CTRL FUEL INJ 5 CTRL FUEL INJ 1 CTRL ECT SENS SIG FUEL INJ 3 CTRL FUEL INJ 4 CTRL FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 GEN DUTY CYCLE SIG GENERATOR TRN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN IC 1 CTRL IC 2 CTRL IC 3 CTRL IGN 1 VOL IGNITION CONTROL MODULE (ICM) (AT TOP RIGHT REAR OF ENGINE) KS 1 SIG KS 1 SIG KS 2 SIG KS 2 SIG LO REF LOW REF LOW REF LOW REF EGR VLV POSITION SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (ON INTAKE MANIFOLD) MAP SENS SIG MED RES SPD SIG LOW REF IC 1 CTRL IC 2 CTRL IC 3 CTRL NCA WIRE OIL SW SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL THROTTLE POS SIG 2 CMP SENS SIG THROTTLE POS SIG 1 LOW REF PPL/WHT WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE