Chevrolet Avalanche I (2001-2006) (near left "a" pillar) Wiring diagrams

BLK WIRE BLK/WHT WIRE BRN WIRE CARGO LAMP SWITCH DK BLU/WHT WIRE DK GRN WIRE DRIVER CARGO LAMP ASSEMBLY FRONT PASSENGER DOOR COURTESY LIGHT FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GRY/BLK WIRE I/P COMPARTMENT LAMP (2003) I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) LEFT I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) LT BLU WIRE MINI WEDGE (FRONT PASSENGER DOOR JAMB SWITCH) ORG/ WIRE PASSENGER CARGO LAMP ASSEMBLY RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) TAN WIRE WHT WIRE

5 VOLT REF RELAY CONTROL 7 3 BATT+ STEERING POST SIG A AUTOMATIC LEVEL CONTROL (ALC) COMPRESSOR RELAY (NEAR UNDERHOOD FUSE BLOCK) AVALANCHE/ ESCALADE EXT BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPRESSOR MOTOR COMPRESSOR/ LEVELING MODULE COMPUTER DATA LINES SYSTEM CRUISE FUSE DATA LINES DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT ALL ESCALADE EXT OTHERS EXCEPT AVALANCHE/ ESCALADE EXT EXHAUST SOL GROUND GRY WIRE HOT AT ALL TIMES HOT IN IGN 3 FUSE LEFT FRONT SUSPENSION DAMPER SOLENOID LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LEFT REAR SUSPENSION DAMPER SOLENOID LF DAMP SERVO RR DAMP SERVO STEERING MARKER SIG LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (AT LEFT FRONT OF ENGINE COMPT) PPL/WHT WIRE PRESSURE SENSOR RED WIRE RED/BLK WIRE RIGHT FRONT SUSPENSION DAMPER SOLENOID RIGHT REAR SUSPENSION DAMPER SOLENOID RIGHT REAR SUSPENSION POSITION SENSOR (RIGHT REAR FRAME RAIL) RTD FUSE RUN WIRE SENSOR SIGNAL SPLICE PACK STEERING MARKER SIG STEERING POST SIG B STEERING POST SIG B SOLENOID CONTROL STEERING POST SIG A STUD 1 FUSE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

BACK-UP LAMPS CIRCUIT BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK LT FRT PARK FUSE GRN WIRE GRY WIRE GRY/BLK WIRE HAZARD SWITCH HEAD PARK ANL/ DRL AUTO HEADLAMP SWITCH HOT AT ALL TIMES HOT IN RUN AND START I/P RELAY BLOCK IGN E FUSE LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT RIGHT LT BLU WIRE LT GRN WIRE PARK LAMP RELAY PNK WIRE PRK LMP ON REAR BODY MARKER LAMP RED WIRE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP SERIAL DATA PRK LMP RLY SPLICE PACK STUD 1 FUSE STUD 2 FUSE TAN WIRE TO TRL PARK FUSE TRAILER CONNECTOR TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

1 2 6 9 GROUND LT TURN SIG VOLT LT DOOR LMP PWR LT DOOR LMP GND 22 11 1047 2114 SERIAL DATA LT TURN SIG VOLT 5 9 RT DOOR LMP PWR RT DOOR LMP GND AVALANCHE BATTERY BLK WIRE BLK/WHT WIRE BLU LT WIRE BLU WIRE BRN WIRE CENTER HIGH MOUNTED STOP LAMP (CHMSL) CLEARANCE LAMPS COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR EXCEPT AVALANCHE EXT- ERIOR ILLUM LAMP FLASH FUSE FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GROUND HAZARD SW HOT AT ALL TIMES I/P RELAY BLOCK INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LEFT TURN IND LOGIC LR LAMP VOLT LT BLU WIRE LT GRN WIRE LT TRLR ST/TRN FUSE LT TURN FUSE LT TURN SIG NCA WIRE PASSENGER OUTSIDE REARVIEW MIRROR RED WIRE RIGHT I/P FUSE BLOCK RIGHT ROOF MARKER LAMP LEFT ROOF MARKER LAMP RIGHT TURN IND RR LAMP VOLT RT TRLR ST/TRN FUSE RT TURN FUSE RT TURN SIG RT TURN SIG VOLT SERIAL DATA RT TURN SIG SPLICE PACK STOPLAMP SW TAN WIRE TRAILER WIRING (BLUNT CUT) TURN IND TURN SIGNAL/FLASHER MODULE UNDER- HOOD FUSE BLOCK VEH CHMSL FUSE VEH STOP FUSE WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE COLUMN SHIFT DATA LINK CONNECTOR DIGITAL RADIO RECEIVER EXC LUXURY HAZARD LAMPS SWITCH HEADLAMP BEAM SELECT SWITCH HEADLAMP, PANEL DIMMER SWITCH HVAC CONTROL MODULE I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, NEAR KICK PANEL) IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LUXURY MULTIFUNCTION ACCESSORY SWITCH NCA WIRE RADIO REAR PARKING ASSIST DISABLE SWITCH REAR SEAT AUDIO AUDIO AMPLIFIER CONTROLLER REAR SEAT ENTERTAINMENT ASSEMBLY REMOTE PLAYBACK DEVICE (CD PLAYER) STEERING WHEEL DIC CONTROLS STEERING WHEEL SPEED/ POSITION SENSOR TAN WIRE THEFT DETERRENT CONTROL MODULE TOW/HAUL SWITCH TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION SHIFT SELECT SWITCH TURN SIGNAL/ HAZARD FLASHER MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH VEHICLE COMMUNICATION INTERFACE MODULE WHT WIRE WINDSHIELD WIPER/ WASHER SWITCH

AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) AMBIENT LT SENS DRL SW SIG FOG LP SW SIG HDLP DIM SW SIG ANL/DRL DEFEAT AUTO AUTO PARK HEAD BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL FUSE DRL RELAY FLASH TO PASS FOG LAMP SWITCH FOG LP FUSE FOG LP RELAY HDLP HI BM RELAY HDLP LO BM RELAY HEADLAMP SWITCH HI BM RLY CTRL LO BM RLY CTRL DRL RLY CTRL FOG LP RLY CTRL HI HDLP LT FUSE HI HDLP RT FUSE HI/LO BEAM SELECT HLPS ON SIG FLASH TO PASS PK BRAKE SIG LOW REF HOT AT ALL TIMES I/P RELAY BLOCK LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LO HDLP LT FUSE LO HDLP RT FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTIFUNCTION ACCESSORY SWITCH ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL RIGHT DAYTIME RUNNING LAMP RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

ABS IND. AIR BAG IND ANALOG CLOCK BATTERY GROUND BATTERY IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRAKE IND BRN WIRE BRN/WHT WIRE CARGO LAMP IND CLASS 2 DATA COMPUTER DATA LINES COOLANT TEMP GAUGE CRUISE IND DIC MODE SW DIC TOGGLE SW DIC SW SIG DIC FUEL SIG DK BLU WIRE DK GRN/WHT WIRE EXCEPT SEO EXCEPT SEO SEO FUEL GAUGE FUSE GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P DIM I/P RELAY BLOCK IGN E FUSE IGNITION IGNITION CLASS 2 DATA ILLUMINATION INSTRUMENT PANEL CLUSTER IPC SERIAL DATA IPC/DIC FUSE LAMP LEFT TURN LEFT TURN IND LO WASH FLUID VSS ENG SPEED SIG LOW FUEL IND LT BLU WIRE MESSAGE DISPLAY VARIABLE DIMMING MIL CNTRL OIL GAUGE ORG/ WIRE ORN/ OVERDRIVE OFF IND PNK WIRE RADIO FUSE RED WIRE RIGHT TURN IND RIGHT TURN SUPPL. BRAKE SEAT BELT IND SECURITY IND SEO SEO IGN FUSE SOON IND (MIL) SERVICE ENGINE SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION TEMP GAUGE TRIP ODOMETER HOUR METER TRIP RESET UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VOLTS GAUGE WASHER FLUID LEVEL SENSOR (IN WASHER FLUID RESERVOIR) WHT WIRE YEL WIRE

5 VOLT REF LOW REF COOLNT LEV SIG OIL LEV SW BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (LOWER RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) FUEL LEVEL SENSOR (PRIMARY) (INSIDE FUEL TANK) FUEL LEVEL SENSOR (SECONDARY) (INSIDE FUEL TANK) GRN WIRE GRY WIRE I/P RELAY BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LT GRN WIRE NCA WIRE ORG/ WIRE PERSON- ALIZATION POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL ROW SEAT) (CADILLAC) REAR OBJECT SENSOR CONTROL MODULE SBA SIG STEERING WHEEL DIC CONTROLS TAN/WHT WIRE TRIP FUEL SELECT VSS W/ DUAL TANK W/O DUAL TANK WHT WIRE YEL WIRE

8 BULBS BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE FOG LAMP CIRCUIT HVAC CONTROL MODULE LEFT REAR HEATED SEAT SWITCH MULTIFUNCTION ACCESSORY SWITCH OVERHEAD CONSOLE PPL/WHT WIRE REAR PARKING ASSIST DISABLE SWITCH (W/ UEB) REMOTE PLAYBACK DEVICE (CD PLAYER) RIGHT REAR HEATED SEAT SWITCH STEERING WHEEL CONTROLS TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH W/ W/ WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 HALL A SIG HALL B SIG SENS GND POS 2 SIG 5 VOLT REF B+ VOLT B+ VOLT SERIAL DATA BASE BASE CASE GND GND B+ VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CASE GROUND COMPUTER DATA LINES SYSTEM CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GRY WIRE HALL A SIG HALL B SIG SENS GND HALL C SIG HALL C SIG RLY VOLT SENS GND POS 1 SIG 5 VOLT REF HOT AT ALL TIMES HOT IN HOT IN RUN LEFT I/P FUSE BLOCK IGN 3 FUSE I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT CLUSTER SYSTEM LOW REF LT BLU WIRE LT GRN WIRE MEGA FUSE MODE IND CTRL LAT ACCEL SIG ORG/ WIRE PHASE A CTRL PHASE B CTRL PHASE C CTRL PNK PNK WIRE PNK WIRE POS A SIG POS B SIG POWER DISTRIBUTION SYSTEM PPL PULSE SIG REAR WHEEL POSITION SENSOR (LEFT REAR OF VEHICLE) REAR WHEEL STEERING CONTROL MODULE (NEAR SPARE TIRE BRACKET) REAR WHEEL STEERING MODE SELECT SWITCH RED WIRE RLY GND RUN WIRE SENS SIG STEERING GEAR MOTOR ASSEMBLY (NEAR SPARE TIRE BRACKET) STEERING WHEEL SPEED/ POSITION SENSOR (ON STEERING COLUMN) TAN WIRE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE HOLDER VSS IGN 3 VOLT YAW SENS SIG MODE SW SIG WHT WIRE YEL WIRE