Adding to 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=32575
Printed Date: July 13, 2025 at 1:33 PM
Topic: Adding to Factory Alarm
Posted By: waterboy620
Subject: Adding to Factory Alarm
Date Posted: May 22, 2004 at 7:23 PM
I have a 2002 Chevy Z71 with a factory alarm that sounds if the door is opened without a key or the alarm remote when armed. Is it possible to add a glass break sensor, a shock sensor and additional sirens to the existing factory alarm. I have been told yes and no from different installers so I need help. The additional siren(s) will be placed inside the cab to cause pain to the intruder and hopefully deter them from sticking around to look for valuables. I don't need install instructions, just an answer as to if it is possible or not. Thank you very much for your time.
Replies:
Posted By: Velocity Motors
Date Posted: May 22, 2004 at 10:41 PM
You can wire it in so that the trigger wires for the sensor trigger's a relay that will pulse the door wire. This way, it thinks that the door is opened when the final trigger of the shock or glass sensor is engaged.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
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