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CHEVROLET TRAILBLAZER
MODEL YEAR(S
TRAILBLAZER 2002-2007
KEY T-HARNESS IMMOBILIZER
N/A N/A GM'S PASSLOCK 2 ANTI-THEFT SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) (MUST used BOTH ACCESSORY wires) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 BROWN (+) (MUST used BOTH ACCESSORY wires @ IGNITION SWITCH HARNESS
KEYSENSE LT. GREEN (-) (REQUIRED) @ IGNITION SWITCH HARNESS or BCM, TAN PLUG, PIN E3, See NOTE #3
PARKING LIGHTS ( - ) GRAY/BLACK (-) @ HEADLIGHT SWITCH
PARKING LIGHTS ( + ) BROWN (+) IN DRIVERS KICK PANEL
POWER LOCK SEE NOTE #1
POWER UNLOCK SEE NOTE #1
LOCK MOTOR WIRE GRAY (5-WIRE) driver door module in door
DOOR TRIGGER GRAY/BLACK (+) @ UNDER DASH LIGHT
DOMELIGHT SUPERVISION USE DOOR TRIGGER
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK or BLACK/YELLOW (-) @ STEERING COLUMN HARNESS
TACH WHITE (AC) @ PCM, BLUE PLUG, PIN 49, SEE NOTE #2
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ BRAKE PEDAL SWITCH
FACTORY ALARM DISARM LT. GREEN (-) @ DRIVERS DOOR MODULE, IN DOOR
ANTI-THEFT GM'S PASSLOCK 2 ANTI-THEFT SYSTEM, See NOTE #1 @ IGNITION SWITCH
NOTES
NOTE #1: This vehicle is Equipped with GM'S PASSLOCK 2 Anti-theft System that requires the

791 Bypass Module for REMOTE STARTING ONLY, if you have a REMOTE STARTER with

KEYLESS ENTRY or a KEYLESS ENTRY SYSTEM this vehicle will require part # DB-ALL or XK09 due to computer controlled door locking system

door locks.



To order please go to the INTERFACE BYPASS MODULE Page on this website.







NOTE #2: The PCM is located on the Drivers Side of the Motor.







NOTE #3: The BCM is attached to the FUSE BOX under the LEFT REAR Seat.
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