99 sierra factory alarm

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=136467
Printed Date: May 09, 2025 at 10:44 AM

Topic: 99 sierra factory alarm

Posted By: ziggyb222
Subject: 99 sierra factory alarm
Date Posted: April 17, 2014 at 8:14 AM

Have a customer who likes to use the lock switch in the vehicle when he gets out of the truck. It must be arming the factory alarm. Is there a way to completely disable the factory alarm. My wiring for that year truck shows no disarm wire....Any help would be great!!!!!

Replies:

Posted By: auto enhancers
Date Posted: April 17, 2014 at 8:50 AM

BCM, purple plug B3
LT. Green wire.

Posted By: kreg357
Date Posted: April 17, 2014 at 10:27 AM

posted_image

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Soldering is fun!

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