03' denali & suburban door trigger
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=64049
Printed Date: July 16, 2025 at 8:55 AM
Topic: 03' denali & suburban door trigger
Posted By: jpauto
Subject: 03' denali & suburban door trigger
Date Posted: October 08, 2005 at 4:56 PM
having problems with the door trigger in a 03' yukon denali & 03' suburban. have the 457g in both that wires up to the diagnostic plug, but the door pin output wire doesnt work... any help on this would be appriceated...
Replies:
Posted By: mrcllusb
Date Posted: October 08, 2005 at 11:31 PM
Try going thru the domelight circuit since it works in conjunction with the door pins...
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"ole blake"
Posted By: cntrylvr79
Date Posted: October 09, 2005 at 7:50 PM
Had this problem once before if you pull off the driver side A pillar you'll see a gray/black wire. Take the gray/black of the 457 and hook up to that. SHould work fine for you. The gray/black wire in the a pillar should read as a positve door trigger with a domelight delay.
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Cause I'm So white and nerdy...
First Class Certi-fried installer
Posted By: redpeppers
Date Posted: October 10, 2005 at 10:43 PM
also...make sure ur domelight over-ride is not turned on....i have had problem with cars....if the doemlight override is on the door trigger wil not work with the 457g
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Where theres is a wire there's a way.
Posted By: Chris Luongo
Date Posted: October 16, 2005 at 1:23 PM
Look above the driver's left foot; there is a junction block with a black plastic cover.
You will see that a thin harness exits the junction block, and runs toward the driver's body. Then it turns left, goes behind the underdash diagnostic plug. Then it goes up through the driver's fuse box (it is wrapped with foam tape there) and up the A-pillar.
Just open up that harness wherever you want to get the domelight wire---inside the fusebox is probably easiest, because there is plenty of slack there.
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