Chevrolet Avalanche I (2001-2006) splice pack Wiring diagrams

BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP LOW CTRL CTSY LAMP ON SIG CLASS 2 DATA CLASS 2 SERIAL DATA CTSY LAMP CTRL CTSY LAMP POWER CTSY LAMP SUPPLY DK BLU WIRE DK BLU/WHT WIRE DOME LAMP SWITCH DOOR AJAR SIG DRIVER DOOR MODULE (BEHIND LEFT FRONT DOOR TRIM PANEL, NEAR HANDLE) GRY/BLK WIRE HEADLAMP SWITCH INADVERTANT PWR SUPPLY LEFT FRONT DOOR COURTESY LAMP LEFT LIFTGATE AJAR SWITCH RIGHT LIFTGATE AJAR SWITCH LIFTGATE AJAR SIG RR DOOR AJAR SIG LR DOOR AJAR SIG LIFTGLASS AJAR SWITCH LOW REF LR DOOR COURTESY LAMP (2003) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MINI WEDGE (DRIVER DOOR JAMB SWITCH) MINI WEDGE (LR DOOR JAMB SWITCH) MINI WEDGE (RR DOOR JAMB SWITCH) ORG/ WIRE PNK/BLK WIRE PPL INT LAMP DEFEAT SIG PPL INT LAMP DEFEAT SW RIGHT CARGO DOOR AJAR SWITCH RIGHT CARGO DOOR CONTACT PLATE RR DOOR COURTESY LAMP (2003) SPLICE PACK TAN WIRE W/ CARGO DOORS W/O CARGO DOORS

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

2 3 15 18 22 KEY SW LO REF DOOR SW LO REF KEY SW SIG DOOR SW SIG SERIAL DATA 5 6 20 22 24 DOOR SW SIG KEY SW LO REF DOOR SW LO REF SERIAL DATA KEY SW SIG AJAR SW B+ EX LIGHTS CTRL GROUND HORN RLY CTRL SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE CARGO/LIFTGATE DOOR AJAR SW DOOR AJAR SW DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE DRIVER MINI-WEDGE DOOR JAMB SWITCH FRONT PASSENGER DOOR MODULE FRONT PASSENGER MINI-WEDGE DOOR JAMB SWITCH GRN WIRE GROUND GRY/BLK WIRE HEADLIGHTS CTRL HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES KEY SW LEFT DOOR CONTACT PLATE (BODY) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT LIFTGATE AJAR SWITCH LEFT REAR MINI-WEDGE DOOR JAMB SWITCH LIFTGATE KEY SWITCH LIFTGLASS AJAR SWITCH LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK/BLK WIRE RIGHT CARGO DOOR AJAR SWITCH CARGO DOOR KEY SWITCH RIGHT DOOR CONTACT PLATE (BODY) RIGHT DOOR CONTACT PLATE (DOOR) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT LIFTGATE AJAR SWITCH RIGHT REAR MINI-WEDGE DOOR JAMB SWITCH SPLICE PACK TAN WIRE TBC BATT FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) W/ CARGO DOORS W/ LIFTGATE W/CARGO DOORS W/ LIFTGATE WHT WIRE WINDOW WIPER MODULE (LEFT SIDE OF COWL)

AUTO A/C AUTOMATIC LEVEL CONTROL COMPRESSOR AUXILIARY POWER OUTLET (REAR) CENTER HIGH MOUNT CONTROL STOP LAMP BACKUP LAMP (LEFT) BLK WIRE BLOWER MOTOR (AUXILIARY) BLOWER MOTOR (REAR AUXILIARY) CARGO DOOR KEY SWITCH DOOR AJAR SWITCH (CARGO) CLEARANCE LAMP (LEFT FRONT) CLEARANCE LAMP (LEFT REAR) CLEARANCE LAMP (RIGHT FRONT) CLEARANCE LAMP (RIGHT REAR) COURTESY/ READING LAMP ("D" PILLAR) DOME LAMP ("D" PILLAR) DOOR CONTACT PLATE (LEFT CARGO BODY) DOOR CONTACT PLATE (LEFT CARGO DOOR) DOOR CONTACT PLATE (RIGHT CARGO BODY) DOOR CONTACT PLATE (RIGHT CARGO DOOR) ELECTRONIC SUSPENSION CONTROL MODULE ESCALADE EXCEPT AVALANCE/ ESCALADE EXT FOUR WHEEL STEERING HVAC CONTROL ASSEMBLY (REAR AUXILIARY) HVAC CONTROL ASSEMBLY (REAR AUXILIARY) BLOWER MOTOR (REAR AUXILIARY) LICENSE LAMP (LEFT) BACKUP LAMP (RIGHT) LICENSE LAMP (RIGHT) LIFTGATE AJAR SWITCH LIFTGATE AJAR SWITCH (LEFT) LIFTGATE AJAR SWITCH (RIGHT) LIFTGATE KEY SWITCH LIFTGATE LOCK RELAY MARKER LAMP (BODY REAR) MODE ACTUATOR (REAR) AIR TEMPERATURE ACTUATOR REAR A/C W/AUX HEATER REAR A/C W/O AUX HEATER REAR LAMPS JUNCTION BLOCK (INSIDE OF RIGHT REAR FRAME RAIL) REAR OBJECT SENSOR CONTROL MODULE REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER GRID (LEFT CARGO) REAR WINDOW DEFOGGER GRID (RIGHT CARGO) SPLICE PACK STEERING STOP/TURN SIGNAL LAMP (RIGHT) TAIL/STOP LAMP (RIGHT) STOP/TURN SIGNAL LAMP) (LEFT) TAIL/STOP LAMP (LEFT) SUBURBAN SUBURBAN, YUKON XL, ESCALADE ESV TRAILER CONNECTOR W/ CARGO DOORS W/ ULT W/CARGO DOORS W/LIFTGATE WIPER MODULE (REAR)

3 BULBS ANALOG CLOCK AUTO A/C BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE FOG LAMPS FRONT AUXILIARY HVAC CONTROL ASSEMBLY HEADLAMP LEVELING SWITCH HEATED/ COOLED CUPHOLDER I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) MANUAL A/C MULTIFUNCTION ACCESSORY SWITCH PPL PPL/WHT WIRE RADIO REAR AUXILIARY HVAC CONTROL ASSEMBLY RIGHT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) ROOF BEACON SWITCH SPLICE PACK WHT WIRE YEL WIRE

A/C COMP FUSE A/C COMP RELAY AUX PWR 2 FUSE AUXILIARY POWER OUTLET (REAR) BLK WIRE BODY CONTROL MODULE DDM FUSE DOOR LOCK RELAY DOOR UNLOCK RELAY DRL FUSE DRL RELAY ETC/ECM FUSE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FROM SEO IGN FUSE (DIAGRAM 6 OF 6) FRONT SEAT PASSENGER ADJUSTER DOOR MODULE SWITCH (DRIVER) FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY HVAC CONTROL ASSEMBLY (REAR AUXILIARY) I/P RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) IGN 1 RELAY LBEC 1 FUSE LBEC 2 FUSE LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LIFTGATE LOCK RELAY LOCKS FUSE LT DOORS CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT MODULE ORG/ WIRE PARK LP RELAY PCM 1 FUSE PDM FUSE ECC FUSE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RT DOOR CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEAT CIRCUIT BREAKER SPLICE PACK SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR MODULE (LEFT REAR) WINDOW SWITCH (RIGHT REAR)

BLK WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE CARGO DOOR KEY SWITCH DK BLU WIRE DOOR CONTACT PLATE DRIVER MINI-WEDGE DOOR JAMB SWITCH ECC FUSE FRONT PASSENGER MINI-WEDGE DOOR JAMB SWITCH GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER KEY SW LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LIFTGATE ACTUATOR LIFTGATE KEY SWITCH LIFTGATE LOCK RELAY LOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE RIGHT I/P FUSE BLOCK RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RT DOOR CIRCUIT BREAKER SPLICE PACK TAN WIRE TBC BATT FUSE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) W/ CARGO DOORS W/O CARGO DOORS WHT WIRE

AVALANCHE/ ESCALADE EXT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES HOT IN RUN, START HTR HVAC CONTROL MODULE (BEHIND CENTER OF DASH) I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) IGN LEFT CARGO DOOR CONTACT PLATE (BODY) LEFT CARGO DOOR CONTACT PLATE (DOOR) LEFT CARGO REAR WINDOW DEFOGGER GRID LIFTGATE DEFOGGER GRID LOGIC LT GRN WIRE PPL REAR DEFOG SWITCH REAR DEFOGGER RELAY REAR WINDOW DEFOGGER GRID RELAY CNTRL RIGHT CARGO DOOR CONTACT PLATE (BODY) RIGHT CARGO DOOR CONTACT PLATE (DOOR) RIGHT CARGO REAR WINDOW DEFOGGER GRID SERIAL DATA SPLICE PACK W/CARGO DOORS W/LIFTGATE WHT WIRE WINDOW CONTACTOR