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BUICK CENTURY
MODEL YEAR(S
CENTURY 1999-2003
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's VATS 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 (+) or 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 ( - ) N/A
PARKING LIGHTS ( + ) LIGHT BLUE (+), See NOTE #2 @ HEADLIGHT SWITCH
POWER LOCK RED/BLACK (TYPE B) IN DRIVERS KICK PANEL
POWER UNLOCK ORANGE/BLACK (TYPE B) IN DRIVERS KICK PANEL
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) IN DRIVERS KICK PANEL, at DOOR HARNESS
DOOR TRIGGER DARK BLUE/WHITE (-) IN DRIVERS KICK PANEL
DOMELIGHT SUPERVISION USE DOOR TRIGGER (Requires #775 Relay)
TRUNK RELEASE BROWN (-) @ BCM, See NOTE #3
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
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 in a ORANGE or BLACK heat shrunk tube in Steering column harness 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 (2) LIGHT BLUE (+) PARKING LIGHT wires at the HEADLIGHT

SWITCH.





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