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2002 chevy tahoe door locks

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=66276
Printed Date: July 13, 2025 at 11:17 PM


Topic: 2002 chevy tahoe door locks

Posted By: boost555
Subject: 2002 chevy tahoe door locks
Date Posted: November 14, 2005 at 10:56 PM

How do I make the unlock door locks to work on my aftermarket alarm? I need some info thanks



Replies:

Posted By: 05gt
Date Posted: November 14, 2005 at 11:52 PM
unless the alarm does positive pulse door locks you will need relays to do this



Posted By: KarTuneMan
Date Posted: November 15, 2005 at 1:51 AM
posted_imageWire your relays like so

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Posted By: Chris Luongo
Date Posted: November 15, 2005 at 7:50 AM
Three (or is it four) plugs at the BCM, under the steering column. You will see quite a few white and blue wires there, though.

In the plug all the way to the left, the locks are in the bottom row----they are the only blue and white that are right next to each other. Supplying a positive trigger to either wire will lock or unlock the doors.

The same wires are also in one of the plugs in the driver's fusebox, if that is easier for you.



Posted By: Velocity Motors
Date Posted: November 15, 2005 at 8:20 AM
F81_locks.jpg

Here's a little help for the wires. Use the diagram above to reverse polarity on the (-) trigger output of the alarm system.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA


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