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BUICK REGAL
MODEL YEAR(S
REGAL 2003-2004
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's VATS ANTI-THEFT System, Ignition Key has Chip, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ NITION SWITCH HARNESS
STARTER YELLOW (+) @ NITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE to DARK GREEN (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) GREY/BLACK (-) @ BCM, LIGHT BLUE Plug, Pin A4, See NOTE #3
PARKING LIGHTS ( + ) LIGHT BLUE (+), See NOTE #2 @ HEADLIGHT SWITCH
POWER LOCK RED/BLACK (TYPE B) @ BCM, PURPLE Plug, Pin B6, See NOTE #3
POWER UNLOCK ORANGE/BLACK (TYPE B) @ BCM, PURPLE Plug, Pin A6, See NOTE #3
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) @ BCM, CLEAR Plug, Pin G, See NOTE #3
DOOR TRIGGER DARK BLUE/WHITE (-) @ BCM, PURPLE Plug, Pin A5, See NOTE #3
DOMELIGHT SUPERVISION USE DOOR TRIGGER
TRUNK RELEASE WHITE (-) @ BCM, PURPLE Plug, Pin A5, See NOTE #3
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, LIGHT BLUE Plug, Pin A5, See NOTE #3
TACH PURPLE/WHITE or WHITE (AC) @ IGNITION CONTROL MODULE
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT 2 WHITE wires or 1 WHITE and 1 PURPLE or PURPLE/WHITE in an ORANGE or BLACK TUBE in RUNNING DOWN STEERING COLUMN GM's VATS System @ Ignition Switch
NOTES
NOTE #1: If vehicle is equipped with PASSKEY/VATS, Ignition Key will have a little Chip

on the Steel Shaft of the Key that can be seen. Requires 791 Bypass Module

for Remote starting



to order go to the SECURITY BYPASS MODULE Page on this website.









NOTE #2: Use the LARGEST of the LIGHT BLUE at the HEADLIGHT SWITCH for PARKING LIGHTS,

also this wire is a BROWN/WHITE (+) in the PASSENGER KICK PANEL in the harness to

the rear of the vehicle.





NOTE #3; the BCM is located to the LEFT of the STEERING COLUMN.
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