adding door locks actuators
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=129895
Printed Date: May 14, 2025 at 1:17 AM
Topic: adding door locks actuators
Posted By: konnected
Subject: adding door locks actuators
Date Posted: December 27, 2011 at 9:20 PM
Has anyone added aftermarket door lock actuators using existing door lock wiring on 1977 Ford Thunderbird? The car didn't come with power door lock option but the wiring is there. I wired everything but I can't get the actuators to work with the factory switches. Any help would be appreciated..
Replies:
Posted By: howie ll
Date Posted: December 28, 2011 at 3:28 AM
You have to work out what the factory switches are doing.
If there are 5 terminals and the switches are DPCO it can be done.
If 3 terminals you will need a pair of relays.
Question is there a new relay with the new actuators?
There are so many permutations here, I wouldn't recommend any action unless you know how to use a DMM and test.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: i am an idiot
Date Posted: December 28, 2011 at 5:53 AM
They may have all wiring for the door locks. But if the car did not come with them, I am sure they did not install the 2 relays and the Fuse/Circuit Breaker.
Posted By: offroadzj
Date Posted: December 28, 2011 at 6:01 AM
yea, what they said... haha. How many wires are inside the door where the factory actuator would be? If there are 2 then put your positive and negative probes from your DMM into each one. If they are already wired with relays you should get a +12v signal when unlocking/locking, and a -12v signal (as displayed on the DMM b/c the wires would be reversed) when locking/unlocking (depending on how you have the probes)
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Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
Posted By: howie ll
Date Posted: December 28, 2011 at 6:57 AM
Here are two typical examples, I've no idea which yours might be, my data bases don't go back that far.
door_locks_1.bmp
doorlocks_2.bmp------------- Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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