Chevrolet TrailBlazer I (2001-2006) class 2 serial data Wiring diagrams

4 6 7 9 BAT (+) MEMORY 1 SW MEMORY 2 SW ILLUM CTRL ADJ PEDAL RWD SIG ADJ PEDAL FWD SIG ADJ PEDAL SENSOR SIG LUM HORIZ POS SEN SIG AFT BACK UP FUSE 27 BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER DOOR MODULE (BELOW DRIVER DOOR SWITCH PANEL) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) DRIVER MEMORY SET SWITCH DRIVER SEAT LUMBAR POSITION SENSOR (FORWARD/ REARWARD) EAP FUSE EAP RELAY 49 ELECTRONIC ADJUSTABLE PEDALS (EAP) SWITCH ELECTRONIC ADJUSTABLE PEDALS ASSEMBLY ELECTRONIC ADJUSTABLE PEDALS RELAY (LEFT SIDE OF DASH, ON PEDAL ASSEMBLY) FORE/ FUSE HOLDER HOT AT ALL TIMES LOW REF LT GRN WIRE MEM 1 MEM 2 EXIT NCA WIRE ORG/ WIRE PARK/ NEUTRAL PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE PPL RED WIRE SPLICE PACK TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

AUDIO AMPLIFIER AUXILIARY HVAC CONTROL MODULE (UNDER LOWER CONSOLE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE CIGAR FUSE 13 CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (ON BOTTOM LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER DIGITAL VIDEO DISC (DVD) PLAYER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (IN LEFT FRONT DOOR) DRIVER MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW REAR OF CENTER CONSOLE) INSTRUMENT PANEL CLUSTER LIFTGATE MODULE (CENTER OF LIFTGATE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PPL PPL 2 1 RADIO SPLICE PACK SWB W/ AUTO A/C LWB W/ AUTO A/C MANUAL A/C TAN WIRE THEFT DETERRENT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (SWB: UNDER RIGHT REAR SEAT) W/ IMMOBILIZER W/ IMMOBILIZER PPL W/O IMMOBILIZER W/O TRACTION CONTROL W/ TRACTION CONTROL WHT WIRE YEL WIRE YEL/BLK 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

4 6 7 9 BAT (+) MEMORY 1 SW MEMORY 2 SW ILLUM CTRL BLK WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DOWN UP DRIVER DOOR MODULE (BELOW DRIVER DOOR SWITCH PANEL) DRIVER MEMORY SEAT SWITCH EXIT MEM 1 MEM 2 FRONT PASSENGER DOOR MODULE (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE LEFT HORIZONTAL DRIVER OUTSIDE REARVIEW MIRROR LT BLU WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PASS DRIVER PNK WIRE PPL PPL LOW REF VERT POS SIG HORIZ POS SIG MIR RIGHT CTRL MIR DOWN CTRL MIR COMMON RED WIRE RIGHT LEFT TAN WIRE UP LEFT VERTICAL HORIZONTAL DRIVER OUTSIDE REARVIEW MIRROR UP VERTICAL WHT WIRE WHT/BLK WIRE WHT/RED WIRE

1132 1036 PPL AIR BAG INDICATOR ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE CASE GROUND CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (PARTIAL) (ON BOTTOM LEFT SIDE OF DASH) PPL DK BLU WIRE DK GRN WIRE DRIVER SEAT GRY WIRE HIGH CONTROL CLASS 2 SERIAL DATA HIGH CONTROL LOW CONTROL LOW CONTROL HOT IN ON, START SRS FUSE 18 IGN IGNITION INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (BELOW REAR OF CENTER CONSOLE) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) LEFT ELECTRONIC FRONTAL SENSOR (EFS) LEFT FRONT INFLATABLE RESTRAINT SIDE IMPACT MODULE LEFT INFLATABLE RESTRAINT SIDE IMPACT SENSOR (IN LEFT FRONT DOOR) LEFT SEAT BELT SWITCH NCA WIRE ORG/ WIRE PNK PPL WIRE PNK WIRE PPL RIGHT ELECTRONIC FRONTAL SENSOR (EFS) RIGHT FRONT INFLATABLE RESTRAINT SIDE IMPACT MODULE (IN RIGHT FRONT SEAT BACK) RIGHT INFLATABLE RESTRAINT SIDE IMPACT SENSOR (IN RIGHT FRONT DOOR) SHORTING BAR SHORTING SHORTING BAR BAR SIGNAL LOW REFERENCE LOW REFERENCE SIGNAL LEFT SEAT BELT SWITCH SOLID STATE STAGE 1 STAGE 2 TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

5.3L 4.2L 9 10 11 12 LOW REFERENCE LIFTGLASS AJAR SW LOW REFERENCE LIFTGATE AJAR SW PPL AJAR BELT SW INPUT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DOOR DOOR AJAR DR AJAR INPUT DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER SEAT BELT SWITCH (IN LEFT FRONT SEAT BELT BUCKLE) DRL DEFEAT AUTO DRL DEFEAT AUTO PARK FRONT PASSENGER DOOR MODULE (FPDM) (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE GRY/BLK WIRE HEAD HEADLAMP SWITCH IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT PANEL CLUSTER (IPC) KEY IN IGN SW HDLMP ON SIG SW ON INPUT LEFT REAR DOOR LATCH ASSEMBLY LIFTGATE LATCH ASSEMBLY LIFTGATE MODULE (LGM) LIFTGLASS AJAR SWITCH LOGIC LOW REFERENCE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK HEAD PASSENGER DOOR LATCH ASSEMBLY PNK/BLK WIRE PPL RADIO REAR FUSE BLOCK RIGHT REAR MINIWEDGE (DOOR JAMB SWITCH) RR DR AJAR SIG LR DR AJAR SIG SEAT BELT INDICATOR SERIAL DATA SERIAL DATA (-) SERIAL DATA (+) TAIL GATE AJAR IND TAN WIRE WHT WIRE YEL WIRE