Power door locks stopped working

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=65208
Printed Date: May 17, 2024 at 12:25 PM

Topic: Power door locks stopped working

Posted By: davidhdj
Subject: Power door locks stopped working
Date Posted: October 28, 2005 at 7:24 PM

I have a 2003 GMC Yukon, I installed an remote start alarm with the passlock bypass kit and the GMDL4 for the doorlocksabout a year ago, well everything was working fine until about 3 weeks ago when i arm my doorlocks dont lock or unlock, replaced the GMDL4 with a new one and still cant get the door locks to work. they do work when i press the door lock switch on the doors but not when arming. Please if anyone can help it would be greatly appreciated. Thanks

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D&M Auto Parts and Accessories

Replies:

Posted By: mo12v
Date Posted: October 28, 2005 at 7:37 PM

Have you Metered the wires for Voltage & Lock / Unlock Input??
If you know that the Unit has Power & Ground,.. Apply a MOMENTARY GROUND to the BLUE or GREEN wire to see if it Locks or Unlocks. If NOT then you either have a problem:
with the Unit
with the VIOLET wire
with Power & Ground
maybe programming ( which just turning on your key should do that )

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MO

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