Chevrolet Avalanche I (2001-2006) tan/blk Wiring diagrams

1 2 6 8 16 19 20 21 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF LEFT CYLINDER HEAD) EXCEPT SEO FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH) INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (BELOW STEERING COLUMN) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SEO SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TOW/HAUL SWITCH TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) PCM 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR THE BATTERY) VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

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

ABS/TCS CLASS 2 SERIAL DATA YAW RATE SENSOR LO REF BLK WIRE BRAKE FUSE BRAKE IN BRN WIRE DEL TORQUE DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT REAR FRAME RAIL) HOT AT ALL TIMES HOT IN RUN IGNITION 3 VOLT LATERAL ACCELEROMETER SIG LEFT FRONT WHEEL SPEED SENSOR LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH) LEFT REAR WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENG COMPT) PPL PPL/WHT WIRE PRECHARGE MOTOR LO BATTERY (+) GND PRECHARGE MOTOR HI PRECHARGE PUMP RED WIRE REQ TORQUE REQUEST TORQUE SIGNAL DELIVERED TORQUE SIGNAL RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR STEERING WHEEL POS MARKER PULSE SIG STEERING WHEEL POS SIG B STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) ABS FUSE VEHICLE SPEED SENSOR (VSS) (RIGHT REAR OF TRANSMISSION) VSES MOTOR VSES/ECAS FUSE VSS HIGH VSS LOW VSS OUTPUT WHT WIRE YEL WIRE YEL/BLK WIRE

1056 1037 INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM 2353 1382 4040 1732 230 2240 INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM 710 308 COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM 812 1140 1969 1080 1353 ANTI-THEFT SYSTEM AMBIENT LIGHT SENSOR AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) ANTI-LOCK BRAKES SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM ANTI-THEFT SYSTEM SOUND SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PARK LAMP SW ON SIG DEFOGGER SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P RELAY BLOCK INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL INTERIOR LAMP DEFEAT SW SIG PPL/WHT WIRE REAR DEFOG RLY CTRL RED WIRE RED/WHT WIRE SOLAR SENSOR SOLAR SENSOR SUNLOAD SENSOR (ON CENTER OF DASH, NEAR DEFROST DEFLECTORS) TAN WIRE TAN/BLK WIRE TBC BATT FUSE TOW/HAUL SW SIG TOW/HAUL SWITCH UNDERHOOD FUSE BLOCK W/ AUTOMATIC A/C W/ MANUAL A/C WHT WIRE YEL WIRE

2 HI IND CONTROL 2-HI IND 4 HI IND CONTROL 4 LO IND CONTROL 4-HI IND 4-LO IND 5 VOLT REF HEADLAMP ON IND CTRL DRL OFF IND CTRL FOG LAMP RLY CTRL PNK PPL WIRE AUTO BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE CONTROL DIMMING INPUT DIMMING RETURN DK GRN/WHT WIRE DRL OFF GRY WIRE GRY/BLK WIRE HEADLAMP ON HEADLAMP SWITCH IND INSTRUMENT CLUSTER INSTRUMENT PANEL DIMMING LED DIMMING SUPPLY I/P LAMPS DIMMING SUPPLY LEFT REAR WINDOW SWITCH LT BLU WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK DIFF LOCK IND CONTROL WIRE PNK WIRE PPL PPL/WHT WIRE REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING MODE SELECT SWITCH (W/ FOUR WHEEL STEERING) RED WIRE RIGHT REAR WINDOW SWITCH TAN WIRE TAN/BLK WIRE TOW IND TOW MODE IND TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH

2 14 15 20 21 22 KEY SW BATTERY KEY SW SIG UNLOCK CTRL LOCK CTRL SERIAL DATA 2 3 BATTERY GROUND 2 4 BATTERY GROUND 6 10 11 14 22 24 KEY SW LOCK CTRL UNLOCK CTRL BATTERY SERIAL DATA KEY SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE CARGO DOOR CONTACT PLATE CARGO/LIFTGATE DOOR LOCK ACTUATOR DDM FUSE PDM FUSE DK BLU WIRE DRIVER DOOR MODULE (INSIDE DRIVER DOOR) FRONT PASSENGER DOOR MODULE (INSIDE FRONT PASSENGER DOOR) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN KEY SW IGNITION KEY ALARM SWITCH (ON IGNITION KEY CYLINDER) LEFT I/P FUSE BLOCK LEFT I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LOCK ACTUATOR LOCK RELAY LOCKS FUSE LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT SIDE OF ENGINE COMPARTMENT) RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT REAR DOOR LOCK ACTUATOR SERIAL DATA TAN WIRE TAN/BLK WIRE UNLOCK CTRL LOCK CTRL BATTERY SERIAL DATA LFTGATE LK REL UNLOCK RELAY W/ CARGO DOORS W/ CARGO DOORS W/O CARGO DOORS WHT WIRE YEL WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE CONTROL BRN WIRE BRN/WHT WIRE CLASS II DATA AXLE CTRL AWD IND 4-LO IND 4-HI IND CONTROL MODULE CTRL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER LOW GROUND ENCODER SIG EXCEPT SEO FRONT AXLE ACTUATOR FRONT PROPSHAFT SPEED SENSOR FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) SEO IGN FUSE LOCK SOL CTRL 2-HI IND NEUTRAL IND LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL FT SHAFT LO FT SHAFT HI PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR RED WIRE RR SHAFT HI RR SHAFT LO RUN WIRE SEO SHIFT MOTOR SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1-2 SOL 2-3 SOL 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID (BEHIND THROTTLE BODY) EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID (RIGHT FRONT SIDE OF FUEL TANK) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GRY DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN INSTRUMENT CLUSTER SYSTEM LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 18 19 WIRE PPL PNK PNK 28 29 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN (OR BLK) WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC SOL TFT SENSOR UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (REAR OF TRANSMISSION/ TRANSFER CASE) WHT WIRE YEL WIRE YEL/BLK WIRE

33 34 35 PNK WIRE 9 10 PNK WIRE ACT CNTRL APP SENS 1 APP SENS 2 AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE CRUISE CONTROL SYSTEM CRUISE REQ DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT/ECM FUSE FUEL COMPOSITION SENSOR (FLEX FUEL) FUSE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, START IGN LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NOT USED ORG/ WIRE ORG/BLK WIRE PNK 11 12 13 14 15 16 17 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK PNK 28 29 WIRE PPL PNK PNK WIRE PPL/WHT WIRE R/A INPUT RED WIRE RED/BLK WIRE RED/WHT WIRE REF LOW S/C INPUT SIGNAL STP LP IN TAC CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (REAR OF ENGINE COMPT) TP SENS 1 TP SENS 2 UNDERHOOD FUSE BLOCK VEH STOP FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

33 34 35 PNK WIRE A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANK FUSE CSS SIG AXLE SW SIG VSS LOW SIG VSS HIGH SIG AT ISS HIGH SIG AT ISS LOW SIG CTRL CYCLE SIG DELIVERED TORQ PC SOL HI CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANP CTRL EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS OUT VSS OUT TFT SENS SIG EXC SEO FUEL LEV SENS FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND IGNITION COILS INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MAP SIG MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE PC SOL LO CTRL PMP RLY CTRL RPM OUT PNK 11 12 13 14 15 16 17 WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL FUEL LEV SIG PPL PNK PNK WIRE PPL/WHT WIRE PRESS SENS SIG IND CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW RPM OUT SEO SPARK PLUG SPARK SPARK PLUG PLUG STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL CLU RLY CTRL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE