Chevrolet Avalanche I (2001-2006) (behind left i/p fuse block) Wiring diagrams

ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (2500 SERIES) (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (1500 SERIES) (BELOW MASTER CYLINDER) BRN WIRE BRN/WHT WIRE DEL TORQUE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT REAR FRAME RAIL) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) BRAKE FUSE HOT IN RUN OR START IGN E FUSE IGNITION 3 VOLTAGE LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) DELIVERED TORQUE ILLUM LAMP INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE POWERTRAIN OR ENGINE CONTROL MODULE (PCM OR ECM) (AT LEFT FRONT OF ENG COMPT) PPL PPL 1500: BRAKE PRESS SENS SIG 2500: BRAKE FLUID LEVEL SW PPL DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) PPL/WHT WIRE RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL IND TRACTION CONTROL SWITCH (IF EQUIPPED) TRANSFER CASE SHIFT CONTROL MODULE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) VSS HIGH VSS LOW VSS OUT YEL WIRE YEL/BLK 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)

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 5 6 7 8 9 10 11 12 13 14 15 PPL ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PROG RADIO RADIO FUSE RADIO MUTE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL DN VOL UP

2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 4 5 BARE ANTENNA BARE BARE 6 7 8 9 10 11 12 13 14 15 16 17 BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GROUND GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG RADIO RADIO FUSE RADIO MUTE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG VOICE LOW REF CELL VOICE SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE VOICE VOL DN VOL UP

58 59 SERIAL DATA SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) DATA DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INSTRUMENT PANEL CLUSTER KEY LT GRN WIRE MAGNET LOCK CYLINDER ORG/ WIRE PASSLOCK SENSOR (INTERNAL TO STEERING COLUMN) PNK IGN PWR WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) PPL RED/WHT WIRE SECURITY SENSOR SENSOR PWR BATTERY GROUND SENSOR REF SERIAL DATA SENSOR SIG SERIAL DATA GROUND SPLICE TAMPER SENSOR TBC BATT FUSE TBC IGN 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) YEL WIRE

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

AM ANTENNA ANT ENABLE SIG ANTENNA ANTENNA ANTENNA ANTENNA EXCEPT EXCALADE EXT COAX BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE COAX COAX ESCALADE EXT COMPUTER COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG ENGINE CONTROLS SYSTEM FM ANTENNA FM COMP SIG FM IMPEDANCE MATCHING MODULE (IN RIGHT REAR QUARTER GLASS) GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT TO RADIO PNK/BLK WIRE PROG RADIO RADIO ANTENNA MODULE (ABOVE RIGHT REAR QUARTER GLASS, IN HEADLINER) RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) RED WIRE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG CELL VOICE SIG VOICE LOW REF RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS SYSTEM DATA LINES TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN VEHICLE COMMUNICATION INTERFACE MODULE (RIGHT SIDE OF DASH) VOICE VOICE LO REF VOICE SIGNAL VOL DN VOL UP

AM ANTENNA ANT ENABLE SIG ANTENNA ANTENNA ANTENNA ANTENNA EXCEPT EXCALADE EXT COAX BARE BARE DRAIN WIRE BLK/WHT WIRE BODY CONTROL MODULE BCM CLASS 2 SERIAL DATA BRN WIRE BRN/WHT WIRE CELL VOICE SIG VOICE LOW REF VOICE LOW REF COAX COAX ESCALADE EXT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG ENGINE CONTROLS SYSTEM FM ANTENNA FM COMP SIG FM IMPEDANCE MATCHING MODULE (IN RIGHT REAR QUARTER GLASS) GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT TO RADIO PNK/BLK WIRE PROG RADIO RADIO ANTENNA MODULE (ABOVE RIGHT REAR QUARTER GLASS, IN HEADLINER) RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) RED WIRE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN VEHICLE COMMUNICATION INTERFACE MODULE (RIGHT SIDE OF DASH) VOICE VOICE LO REF VOICE SIGNAL VOL DN VOL UP

AM ANTENNA ANT ENABLE SIG ANTENNA ANTENNA ANTENNA ANTENNA EXCEPT EXCALADE EXT COAX BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CELL VOICE SIG VOICE LOW REF COAX COAX ESCALADE EXT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG ENGINE CONTROLS SYSTEM FM ANTENNA FM COMP SIG FM IMPEDANCE MATCHING MODULE (IN RIGHT REAR QUARTER GLASS) GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT TO RADIO PNK/BLK WIRE PROG RADIO RADIO ANTENNA MODULE (ABOVE RIGHT REAR QUARTER GLASS, IN HEADLINER) RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) RED WIRE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN VEHICLE COMMUNICATION INTERFACE MODULE (RIGHT SIDE OF DASH) VOICE VOICE LO REF VOICE SIGNAL VOL DN VOL UP

AM ANTENNA ANT ENABLE SIG ANTENNA ANTENNA ANTENNA ANTENNA EXCEPT EXCALADE EXT COAX BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK/WHT WIRE BODY CONTROL MODULE BRN WIRE BRN/WHT WIRE CELL VOICE SIG VOICE LOW REF COAX COAX ESCALADE EXT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENABLE SIG ENGINE CONTROLS SYSTEM FM ANTENNA FM COMP SIG FM IMPEDANCE MATCHING MODULE (IN RIGHT REAR QUARTER GLASS) GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF SPK OUT+ LF SPK OUT- RR SPK OUT+ RR SPK OUT- GROUND LR AUD SIG+ LR SPK OUT + LR SPK OUT - RF SPK OUT + RF SPK OUT - LT BLK WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OUT TO RADIO PNK/BLK WIRE PROG RADIO RADIO ANTENNA MODULE (ABOVE RIGHT REAR QUARTER GLASS, IN HEADLINER) RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) RED WIRE REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT AUD SIG LEFT AUD SIG COMMON AUD SIG RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL AUDIO CONTROLS TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEH SPEED SEN VEHICLE COMMUNICATION INTERFACE MODULE (RIGHT SIDE OF DASH) VOICE VOICE LO REF VOICE SIGNAL VOL DN VOL UP