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BUICK REATTA
MODEL YEAR(S
REATTA 1988-1991
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's VATS ANTI-THEFT System (if Equipped, Ignition Key has Chip) 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 BLUE/WHITE (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 PURPLE/WHITE (+) @ IGNITION SWITCH HARNESS
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) BROWN (+) or PURPLE (+) @ HEADLIGHT SWITCH
POWER LOCK LIGHT BLUE (TYPE A) IN EITHER KICK PANEL
POWER UNLOCK BLACK (TYPE A) IN EITHER KICK PANEL
LOCK MOTOR WIRE GRAY (5-wire type) IN DRIVERS KICK PANEL, at DOOR HARNESS
DOOR TRIGGER WHITE (-) @ UNDERDASH LIGHT
DOMELIGHT SUPERVISION USE DOOR TRIGGER, (Requires #775 Relay)
TRUNK RELEASE BLACK (+) or BLACK/ORANGE (+) @ TRUNK RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH PURPLE/WHITE (AC) @ IGNITION CONTROL MODULE
WAIT TO START LIGHT N/A
BRAKE LIGHT BLUE (+) @SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM LIGHT GREEN (-) IN EITHER KICK PANEL
ANTI-THEFT 2 WHITE or 1 WHITE and 1 PURPLE, wires are in an ORANGE tube 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.

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