1999 silverado alarm problem

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=97326
Printed Date: July 07, 2025 at 7:39 PM

Topic: 1999 silverado alarm problem

Posted By: whitextreme
Subject: 1999 silverado alarm problem
Date Posted: September 21, 2007 at 4:46 PM

I recently bought a 1999 Silverado that has a factory alarm and also has a DEI 4200 remote start installed. The problem that I am having is that the alarm will only arm if I lock the doors from the keypad with the drivers door open. Is this normal or is there something that I should be checking out?

Replies:

Posted By: dswift
Date Posted: September 21, 2007 at 5:52 PM

umm dude thats your factory alarm bro

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"dont ground out!"

Posted By: whitextreme
Date Posted: September 21, 2007 at 9:08 PM

The factory alarm only works if you lock it with the door open?

Posted By: xtremej
Date Posted: September 22, 2007 at 11:02 AM

yes, or with the factory remote.

Posted By: xtremej
Date Posted: September 22, 2007 at 11:03 AM

Correction you could also pusle the the driver door pin when you lock it, this would arm the factory alarm

Posted By: whitextreme
Date Posted: September 24, 2007 at 3:09 PM

Ok that makes sense thank you for the help

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