Chevrolet TrailBlazer I (2001-2006) serial data Wiring diagrams

AIR TEMP SENSOR AMBIENT AIR TEMPERATURE SENSOR (ON LEFT CENTER OF RADIATOR SUPPORT) BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE COMPUTER DATA LINES SYSTEM GROUND HOT IN RUN AND START IGN 1 IGN E FUSE 22 INSIDE REARVIEW MIRROR LOW REF LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PHOTO SENSOR PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) SERIAL DATA UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

ANTENNA BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF DOOR SPEAKER LF DOOR TWEETER SPEAKER LF OUT LR DOOR SPEAKER LR OUT LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK WIRE RADIO RADIO CONTROL SIGNAL RADIO FUSE 41 REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RF DOOR SPEAKER RF DOOR TWEETER SPEAKER RF OUT RR DOOR SPEAKER RR OUT RR OUT + GROUND SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE 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 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 VSS YEL WIRE

BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LF DOOR SPEAKER LF DOOR TWEETER SPEAKER LR DOOR SPEAKER LT BLU WIRE LT GRN WIRE NCA WIRE PNK WIRE RADIO CONTROL SIGNAL RF DOOR SPEAKER RF DOOR TWEETER SPEAKER RR DOOR SPEAKER SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BATT + BATT + VOLTAGE BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DDM FUSE 10 DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE (BELOW DRIVER DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) EGM/DSM FUSE 6 GND BAT (+) GRN WIRE GROUND HEAT MODE SELECT HEATED SEAT PWR HEATED SEAT PWR LOW REF HEATED SEAT THERM SIG HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES LGM/DSM FUSE 19 LOW HEAT IND LOW HEAT INDICATOR LOW REF LT DOORS CB 2 LT GRN WIRE MED HEAT IND MED HEAT INDICATOR NCA WIRE ORG/ WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE SEATS CIRCUIT BREAKER 8 SERIAL DATA WHT WIRE XUV YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 PPL ANTENNA BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BRN/WHT WIRE DIGITAL RADIO ANTENNA DIGITAL RADIO RECEIVER DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM GROUND RADIO ON SIG GRY/BLK WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM (EARLY PRODUCTION) L AUD SIG + R AUD SIG + LF OUT LR OUT LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG ILLUM DIM GROUND MUTE SIGNAL WIRE PNK WIRE PNK/BLK WIRE 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 OUT RR OUT + GROUND SERIAL DATA TAN WIRE VSS YEL WIRE

1 2 3 4 5 6 PPL ANTENNA AUXILIARY HVAC CONTROL MODULE BARE BARE DRAIN WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE 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 INTERIOR LIGHTS SYSTEM (EARLY PRODUCTION) 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 RADIO ON SIG ILLUM DIM GROUND MUTE SIGNAL WIRE PNK WIRE PNK/BLK WIRE 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 VSS YEL WIRE

1 2 3 4 5 6 PPL AMP FUSE 11 AUDIO AMPLIFIER (BEHIND RIGHT SIDE PANEL OF THE REAR COMPARTMENT) BARE BARE DRAIN WIRE RR SPKR OUT - LR SPKR OUT - B+ BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT FRONT DOOR SPEAKER LEFT FRONT I/P SPEAKER LEFT REAR DOOR SPEAKER LR SPKR OUT + RR SPKR OUT + LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK BARE WIRE PNK WIRE PPL RADIO CONTROL SIGNAL REAR FUSE BLOCK (BENEATH LEFT REAR SEAT) RIGHT FRONT DOOR SPEAKER RIGHT FRONT I/P SPEAKER RIGHT REAR DOOR SPEAKER SEEK DOWN SEEK PROG SEEK UP SEEK VOICE SERIAL DATA SHORT WHEELBASE LONG WHEELBASE SOURCE DOWN SOURCE UP STEERING WHEEL) SUPPLY VOLTAGE TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VOLUME DOWN VOLUME UP WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE

BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BAT (+) GND BATT + BATT + VOLTAGE BLK WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) EGM/DSM FUSE 23 FRONT PASSENGER BACK HEATED SEAT ELEMENT FRONT PASSENGER CUSHION HEATED SEAT ELEMENT FRONT PASSENGER DOOR MODULE (BELOW FRONT PASS DOOR SWITCH PANEL) GRN WIRE GROUND HEAT MODE SELECT HEATED SEAT PWR ELEMENT CTRL HEATED SEAT PWR TEMP SENS SIG HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES LGM/DSM FUSE 6 LOW HEAT IND LOW HEAT INDICATOR LOW REF LT DK LT GRN WIRE MED HEAT IND MED HEAT INDICATOR NCA WIRE ORG/ WIRE PDM FUSE 12 PNK WIRE REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RT DOORS C.B. 1 SEATS CIRCUIT BREAKER 8 SERIAL DATA TAN WIRE WHT WIRE XUV 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