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Need wiring diagram Please Help

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=34636
Printed Date: May 09, 2025 at 8:52 PM


Topic: Need wiring diagram Please Help

Posted By: sefrm0
Subject: Need wiring diagram Please Help
Date Posted: June 26, 2004 at 4:48 PM

I just bought a 2003 buick century and have an alarm to install in it. I cannot find the wiring diagram for this vehicle every where that I have search for. Our database only gives vehicle information up to the year 2000. If anyone can help out with the information needed please let me know. Thanks

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Gage



Replies:

Posted By: jfk51502003
Date Posted: June 26, 2004 at 5:08 PM
DIRECTWIRE™ WIRING INFORMATION - BUICK / CENTURY / 2003 / Security

[PRINT THIS PAGE]

12voltsred + ignition harness
Starteryellow + ignition harness
Ignitionpink + ignition harness
Power LockRED / black - driver kick or BCM
Notes: The BCM (Body Control Module) is to the left of the steering column.
Power UnlockORANGE / black - driver kick or BCM
Notes: The BCM (Body Control Module) is to the left of the steering column.
Lock Motorgray 5widriver kick, door harness
Unlock Motortan 5widriver kick, door harness
Disarm Defeattan 5wipass. kick, door harness
Parking Lights+lt. blue + headlight switch
Notes: Larger of the two at the light switch. Can also find BROWN / white in the passenger kick panel in the harness to the rear.
Parking Lights-
Hazards
Turn Signal(L)
Turn Signal(R)
Door Triggerdk. blue/white - driver kick or BCM
Notes: The BCM (Body Control Module) is to the left of the steering column.
Dome Supervisionuse door trigger
Trunk/Hatch PinORANGE / black - light in trunk or BCM
Notes: The BCM (Body Control Module) is to the left of the steering column.
Hood Pin
Trunk/Hatch Releasebrown - BCM
Notes: The BCM (Body Control Module) is to the left of the steering column.
Power Sliding DoorN/A
Factory Alarm Arm
Factory Alarm Disarm
Disarm No Unlock
TachometerPURPLE / white or white ac ignition control module
Horn Triggerblack - steering column
Memory Seat 1
Memory Seat 2
Memory Seat 3
posted_image
Immobilizer Bypass Module:Required: YesType: VATSPart #: 652T resistor pack
Notes: See DirectFax document 1049 for interface information.


This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.






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