Chevrolet TrailBlazer I (2001-2006) (lower left "b" pillar) Wiring diagrams

BLK WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNT STOP LAMP (CHMSL) DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (DDM) (BELOW DRIVER DOOR SWITCH PANEL) DRIVER OUTSIDE REARVIEW MIRROR (W/ MIRROR TURN SIGNAL INDICATOR) FLASH FUSE 52 FROM F PARK FUSE 37 (DIAGRAM FRONT PASSENGER DOOR MODULE (FPDM) (BELOW PASSENGER DOOR SWITCH PANEL) GMC HOT AT ALL TIMES LEFT CLEARANCE LAMPS LEFT TAILLAMP CIRCUIT BOARD LICENSE LAMPS LR PARK FUSE 14 LT BLU WIRE LT GRN WIRE LT TRN SIG VOLTAGE LT TURN FUSE 38 MIRROR LT TURN SIG MIRROR RT TURN SIG NCA WIRE ORG/ WIRE PASSENGER OUTSIDE REARVIEW MIRROR (W/ MIRROR TURN SIGNAL INDICATOR) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT CLEARANCE LAMPS RIGHT TAILLAMP CIRCUIT BOARD RR PARK FUSE 17 RT TRN SIG VOLTAGE RT TURN FUSE 43 VEH CHMSL FUSE 16 SPECIAL EDITIONS ONLY ST/LP FUSE 12 STOPLAMP SWITCH TAN WIRE TR PARK FUSE 42 TURN SIGNAL/HAZARD FLASHER MODULE (BEHIND LOWER LEFT SIDE OF DASH) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEH STOP FUSE 34 WHT WIRE XUV YEL WIRE

5.3L 4.2L 58 59 59 58 CLASS 2 DATA CLASS 2 DATA 7 63 5 VOLT REF LOW REF ABS IND. AIR BAG IND AIR SUSPENSION COMPRESSOR ASSEMBLY BATTERY IND BLK (OR GRY) WIRE BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE IND BRN/WHT WIRE CHANGE ENG OIL IND CHECK GAUGES IND CLASS 2 VSS COMPUTER DATA LINES SYSTEM CRUISE IND DIC FUEL SIG DIC SW SIG DIC TOGGLE SW DIC SET/RESET ENG SPEED SIG DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER SEAT BELT SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) ECT SENS SIG ENG SPEED ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENG BLOCK) 2761 (OR 720) ENGINE OIL PRESSURE SENSOR (5.3L) (AT TOP REAR OF ENG BLOCK) ENGINE OIL PRESSURE SWITCH (4.2L) (RIGHT SIDE OF ENGINE BLOCK) FUEL GAUGE FUEL PUMP, SENDER ASSEMBLY (INSIDE FUEL TANK) GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START IGN 1 IGN E FUSE 22 ILLUMINATION (8 BULBS) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER LEFT TURN BATT GROUND LEFT TURN IND LOGIC LOW FUEL IND LOW REF LT BLU WIRE MALFUNCTION INDICATOR LAMP (SERVICE ENGINE SOON) MIL CTRL NCA WIRE OIL GAUGE OIL PRES SIG OIL PRESS SW ORG/ WIRE ORG/BLK (OR BLK) WIRE ORG/BLK WIRE PERSONAL- IZATION FUEL TRIP PNK WIRE PPL PPL FUEL LEVEL PPL LOW REF RADIO REDUCE ENG POWER IND RIGHT TURN IND RIGHT TURN LO WASHER FLUID SEAT BELT IND SEAT BELT SWITCH SECURITY IND SELECT SHIFT IND SPEEDOMETER STEERING WHEEL CONTROL ASSEMBLY TACHOMETER TAILGATE AJAR IND TAN/BLK WIRE TAN/WHT WIRE TEMP GAUGE TRIP ODOMETER DIC UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC/DIC FUSE 24 VOLTS GAUGE VSS WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WINDSHIELD WASHER FLUID RESERVOIR) YEL WIRE

59 58 58 59 DATA DATA BATTERY GROUND SERIAL DATA SENSOR SIG GROUND BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT) COMPUTER DATA LINES DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL DK GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LT GRN WIRE NCA WIRE ORG/ WIRE PASSLOCK SENSOR (AT IGNITION SWITCH) PPL REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RED/WHT WIRE RTN DATA REF SECURITY IND SENSOR RET SERIAL DATA SPLICE PACK TBC 1 FUSE 31 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

17 4 SERIAL DATA LATCH RELAY 6 8 2 UNLOCK CTRL LOCK CTRL SERIAL DATA BATT GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT) BRN WIRE DDM FUSE 10 DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK ACTUATOR DRIVER DOOR LOCK SWITCH DRIVER DOOR MODULE (BELOW DRIVER DOOR SWITCH PANEL) ENDGATE MODULE FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER DOOR MODULE (BELOW FRONT PASS DOOR SWITCH PANEL) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR DOOR JAMB SWITCH LEFT REAR DOOR LOCK ACTUATOR LIFTGATE DOOR LOCK ACTUATOR LIFTGATE MODULE LOCK LOCK CTRL LOCK RELAY 18 LOCKS FUSE 21 LOW REF DOOR AJAR LR DOOR AJAR RR DOOR AJAR LT BLU WIRE LT BLU/BLK WIRE LT DOORS CB 2 LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK SWITCH PDM FUSE 12 RT DOORS CB 1 POWER REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR DOOR JAMB SWITCH RIGHT REAR DOOR LOCK ACTUATOR SERIAL DATA TAN WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNLOCK UNLOCK CTRL UNLOCK RELAY 24 UNLOCK RELAY LOCK RELAY WHT WIRE YEL WIRE

1047 4240 CLASS 2 SERIAL DATA BATTERY 1340 1450 BATTERY GROUND 4140 1046 BATTERY CLASS 2 SERIAL DATA BATTERY GROUND BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DDM FUSE 10 DK BLU WIRE DOWN UP DRIVER DOOR MODULE (BELOW DRIVER DOOR PANEL SWITCH) FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE HOT AT ALL TIMES LEFT HORIZONTAL DRIVER OUTSIDE REARVIEW MIRROR LT BLU WIRE LT DOORS CIRCUIT BREAKER 2 ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASS DRIVER PDM FUSE 12 PNK WIRE PPL PPL LOW REF VERT POS SIG HORIZ POS SIG MIR RIGHT CTRL MIR DOWN CTRL MIR COMMON REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT LEFT RT DOORS CIRCUIT BREAKER 1 TAN WIRE UP LEFT VERTICAL HORIZONTAL PASSENGER OUTSIDE REARVIEW MIRROR UP VERTICAL WHT/BLK WIRE WHT/RED WIRE

BATTERY BATTERY DOWN OUTPUT UP OUTPUT GROUND BATTERY WINDOW DN WINDOW UP GROUND BLK WIRE BODY COMPUTER MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE CLASS 2 CLASS 2 DATA CONTROL DATA DDM FUSE 10 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOWN DOWN DRIVERS WINDOW SWITCH DOWN FRONT PASS WINDOW SWITCH DOWN INPUT DOWN FRONT PASS WINDOW SWITCH DOWN LEFT REAR WINDOW SWITCH DOWN RIGHT REAR WINDOW SWITCH DOWN SIGNAL OUTPUT UP SIGNAL OUTPUT DRIVER DOOR MODULE (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE DRIVER'S WINDOW MOTOR FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) FRONT PASSENGER WINDOW MOTOR GROUND GRY/BLK WIRE HOT AT ALL TIMES LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCKOUT INDICATOR LOCKOUT SWITCH LR DOWN SIG LR LOCKOUT LR UP SIG LT BLU WIRE LT DOOR CIRCUIT BREAKER 2 LT GRN WIRE MOTOR DOWN CONTROL MOTOR UP CONTROL NCA WIRE ORG/ WIRE PASSENGER MEMORY SEAT MODULE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT REAR WINDOW CONTROL RIGHT REAR WINDOW MOTOR RR DOWN SIG RR LOCKOUT RR UP SIG RT DOOR CIRCUIT BREAKER 1 SPLICE PACK SWITCH POWER SWITCH PWR TAN WIRE UP UP INPUT W/ MEMORY SEATS WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (BCM) (BELOW LEFT REAR SEAT, ON REAR FUSE BLOCK) CLOSE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT QUARTER GLASS SWITCH NCA WIRE PPL RAP RELAY 22 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RIGHT QUARTER GLASS SWITCH VENT WDO FUSE