add door lock switches
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=136872
Printed Date: May 16, 2025 at 5:15 AM
Topic: add door lock switches
Posted By: todd5.0
Subject: add door lock switches
Date Posted: June 24, 2014 at 9:19 PM
I installed an Avital 3100L alarm to my 2002 Ranger truck. I added the 451M door lock relay module to the alarm box. I installed the factory Ford 2 wire power door lock latches and 3 wire door switches. I wired the Ford door lock actuators using the wiring diagram for Reverse polarity actuators. It works perfectly with the Avital alarm and remotes.
I want to wire in the factory Ford door switches to this system.
Can I use the 5 wire alternating 12 volt positive door lock diagram without a separate power source to the door switches ?
What is the best way to wire them in ?
Thanks
Todd5.0
Replies:
Posted By: djrico724
Date Posted: June 24, 2014 at 10:23 PM
I would use negative polarity to operate the switches. So one of the 3 wires on switch will goto ground and the other to lock and unlock from alarm make sure to diode isolate so you don't feed into alarm brain
Posted By: todd5.0
Date Posted: June 25, 2014 at 12:03 AM
djrico724 thank you for the reply. I don't work on electronics all the time so I am not following you with the diode isolate. Is there a diagram that you can point me to for the reverse polarity ?
Thanks
Todd5.0
Posted By: howie ll
Date Posted: June 25, 2014 at 11:19 AM
Diode bands away from alarm, use 1N4004 diodes.
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