Chevrolet TrailBlazer I facelift (2005-2009) power distribution system Wiring diagrams

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE CRUISE IND DK BLU WIRE DK GRN WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HVAC I FUSE 39 IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) IPC CLASS 2 SERIAL DATA LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (ON UPPER LEFT SIDE OF ENGINE) PPL PPL 486 1704 PPL CRUISE RELEASE PPL PPL PPL/WHT WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RES/ACCEL SWITCH SERIAL DATA SET/COAST SWITCH STOP LAMP FUSE 12 STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) VSS HI VSS LO WHT WIRE WHT/BLK WIRE YEL WIRE

2500 2501 420 53 33 2 SERIAL DATA BUS + SERIAL DATA BUS - CRUISE RELEASE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE CRUISE IND DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN REAR FUSE BLOCK (BELOW LEFT REAR SEAT) HVAC I FUSE 39 IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK BATT IPC CLASS 2 SERIAL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL CRUISE RELEASE PPL PPL PPL/WHT WIRE RES/ACCEL SWITCH SERIAL DATA SET/COAST SWITCH STOP LAMP FUSE 12 STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) WHT WIRE WHT/BLK WIRE YEL WIRE

2500 2501 420 53 33 2 SERIAL DATA BUS + SERIAL DATA BUS - CRUISE RELEASE ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL, ON BRACKET) BLK WIRE BLK/WHT WIRE BRN WIRE CLOSE CRUISE IND DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (NEAR LOWER LEFT FRONT OF ENGINE) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN REAR FUSE BLOCK (BELOW LEFT REAR SEAT) HVAC I FUSE 39 IGN IGN E FUSE 22 INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE ON/OFF SWITCH ORG/ WIRE PNK BATT IPC CLASS 2 SERIAL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL CRUISE RELEASE PPL PPL PPL/WHT WIRE RES/ACCEL SWITCH SERIAL DATA SET/COAST SWITCH STOP LAMP FUSE 12 STOP LAMP SWITCH (ON BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/WHT WIRE THROTTLE BODY (FRONT OF INTAKE DUCT) TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VEH STOP FUSE 34 VEHICLE SPEED SENSOR (VSS) (ON LEFT REAR OF TRANSFER CASE) WHT WIRE WHT/BLK WIRE YEL WIRE

ANTENNA AUXILIARY HVAC CONTROL MODULE (UNDER LOWER BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONSOLE) DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VEHICLE COMMUNICATION INTERFACE MODULE (UNDER RIGHT REAR SEAT) VSS YEL WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLOCK (BELOW LEFT REAR SEAT) BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN/WHT WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL OVERRIDE IND FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE FLAT WIRE LR DOOR AJAR SW SIG FOG LAMP RELAY CTRL HORN RELAY CTRL GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN ACC, RUN OR START HOT IN RUN HOT IN RUN OR START INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK INTRUSION SENSOR WIRE PNK LOW REF WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL REAR FUSE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED/WHT WIRE TAN WIRE TBC 2 FUSE 7 TBC 3 FUSE 4 TBC 4 FUSE 40 TBC 5 FUSE 32 TBC ACC FUSE 31 TBC IG FUSE 50 TBC IGN 1 FUSE 16 TBC RUN FUSE 52 UNDERHOOD TBC 1 FUSE BLOCK FUSE 31 (ABOVE LEFT FUSE 58 REAR WHEELWELL) WHT WIRE WIPER/WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 PPL ANTENNA AUXILIARY HVAC CONTROL MODULE (UNDER LOWER BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONSOLE) DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND GROUND RADIO ON SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC-B FUSE 36 L AUD SIG + R AUD SIG + LF OUT LR LOW LEVEL AUDIO SIG + LR OUT LR SPEAKER OUT - LT BLU LT BLU WIRE LT BLU WIRE LT GRN WIRE MUTE SIGNAL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL REAR ENABLE R AUD SIG + L AUD SIG + RADIO ON SIG REMOTE OUT - REMOTE L SIG RADIO RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) REMOTE L SIG REMOTE OUT - RF OUT RR LOW LEVEL AUDIO SIG + RR OUT RR OUT + GROUND RR SPEAKER OUT + SERIAL DATA TAN WIRE VEHICLE COMMUNICATION INTERFACE MODULE (UNDER RIGHT REAR SEAT) VSS YEL WIRE