Directwire
2002 Chevrolet TrailBlazer - North America
Remote Start, Security, Keyless Entry, Accessories
Item / Wire Color / Polarity / Wire Location
12 Volts red (40A) + ignition harness
Second 12 Volts RED / white (40A) + ignition harness
Starter yellow + ignition harness
Ignition pink + ignition harness
Second Ignition white + ignition harness
Accessory orange + ignition harness
Second Accessory brown + ignition harness
Keysense lt. green - ignition harness or BCM, tan plug, pin E3
Data Bus yellow (resistor code), org/blk to black (ground) Passlock 2 Passlock sensor on ignition key cylinder
CAN Bus SW purple (J1850 Class 2 Serial Data) data data link connector, black 16 pin plug, pin 2
Power Lock use Directed interface module or see Tech Doc 1053
Power Unlock see power lock
Lock Motor gray 5 wire fuse box under left rear seat
Driver Unlock Motor tan 5 wire driver door module in door
Passenger Unlock Motor tan 5 wire fuse box under left rear seat
Factory Alarm Arm arms on lock with door open
Factory Alarm Disarm lt. green (driver door key cylinder) - driver door module in door
Disarm No Unlock see factory alarm disarm
Parking Lights (+) brown + fuse box under left rear seat
Parking Lights (-) gray/black - headlight switch or BCM, tan plug, pin E5
Hazards white - hazard switch
Turn Signal (Left) dk. green + turn signal switch
Turn Signal (Right) lt. green + turn signal switch
Headlight white - headlight switch or BCM, tan plug, pin F9
Reverse Light lt. green + fuse box under left rear seat
Left Front Door Trigger gray/black - driver door module in door
Right Front Door Trigger BLACK/ white - passenger door module in door
Left Rear Door Trigger lt. blue/black - fuse box under left rear seat
Right Rear Door Trigger lt. GREEN/ black - fuse box under left rear seat
Dome Light gray/black + fuse box under left rear seat
Trunk/Hatch Pin pink/black - liftgate module in liftgate
Rear Glass Pin purple - liftgate module in liftgate
Hood Pin pink/black (export only) - hood switch or BCM, tan plug, pin E6
Trunk Release Motor tan (liftgate unlock motor) 5 wire liftgate module in liftgate
Tachometer white ac instrument cluster or PCM, blue plug, pin 49
Fuel Pump gray + underhood fuse box, 32 pin plug, pin F3
Rear Defroster purple 5 wire liftgate module in liftgate
Mirror Defroster (Class 2 Serial Data)
Speed Sense dk. GREEN / WHITE ac instrument cluster or PCM, blue plug, pin 32
Brake Wire white + brake switch or fuse box under left rear seat
Parking Brake lt. blue - parking brake switch or fuse box under left rear seat
Horn Trigger BLACK / YELLOW to black - horn switch or BCM, tan plug, pin E12
Wipers pink (L), dk. blue (H) +,- wiper switch
Left Front Window (Up/Down) dk. blue - brown A driver door module in door
Right Front Window (Up/Down) lt. blue - tan A passenger door module in door
Left Rear Window (Up/Down) dk. blue - brown A left rear window switch in door
Right Rear Window (Up/Down) dk. blue - brown A right rear window switch in door
Sun Roof (Open/Close) brown - orange (function with ignition on only) - sunroof switch
Memory Seat 1 white + driver door module in door
Memory Seat 2 purple + driver door module in door
Audio
Item Wire Color Polarity Wire Location
Radio 12V orange + radio harness
Radio Ground BLACK/ white - radio harness
Radio Ignition (Class 2 Serial Data)
Radio Illumination BROWN / white + radio harness
Power Antenna gray + radio harness
Left Front Speaker (+/-) tan - gray +,- radio harness or amplifier in right rear quarter panel
Right Front Speaker (+/-) lt. green - dk. green +,- radio harness or amplifier in right rear quarter panel
Left Rear Speaker (+/-) brown - yellow +,- radio harness or amplifier in right rear quarter panel
Right Rear Speaker (+/-) dk. blue - lt. blue +,- radio harness or amplifier in right rear quarter panel
Notes:
Second Accessory: Must be powered up. If not, the vehicle will crank as soon as it sees ignition.
Keysense: The BCM is attached to the fuse box under the left rear seat.
Parking Lights (-): The BCM is attached to the fuse box under the left rear seat.
Headlight: The BCM is attached to the fuse box under the left rear seat.
Hood Pin: The BCM is attached to the fuse box under the left rear seat.
Tachometer: The PCM is attached to the driver side of the engine.
Speed Sense: The PCM is attached to the driver side of the engine.
Horn Trigger: The BCM is attached to the fuse box under the left rear seat.