Vehicle DIY Security
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=145918
Printed Date: July 14, 2025 at 6:52 PM
Topic: Vehicle DIY Security
Posted By: airschatz
Subject: Vehicle DIY Security
Date Posted: January 06, 2020 at 9:19 AM
I have a Silverado SS and when I bought the truck, there was already a DIY system in place. I am trying to find out how it works and how it is wired. Here is the details that I do know.......
There is a toggle switch under the dashed, 1 side is to ground and the other side is to a set of 3 relays. When switched on, the vehicle will not start (I am assuming it is killing the fuel pump), a flashing LED light started flashing, and when you try to crank the vehicle, the horn blows as you crank and stops when you let off the ignition.
Does anyone have any ideas of how this would be wired, I would like to do this to my other vehicles.
Thanks in advanced.
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