2003 Grand Marquis, door locks

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=85018
Printed Date: May 14, 2024 at 7:30 PM

Topic: 2003 Grand Marquis, door locks

Posted By: redlinecustoms
Subject: 2003 Grand Marquis, door locks
Date Posted: November 02, 2006 at 1:53 PM

I am having a hell of a problem here, I cant seem to figure out how the hell to hook up the door locks. It is five wire, And for some reason the relays dont work. I can get unlock to work, but not lock. The relay is fine, the wiring is correct. Any thoughts?

Thanks

Jack

Replies:

Posted By: KarTuneMan
Date Posted: November 02, 2006 at 3:16 PM

Test your outputs on the brain. Then test the outs from the relays.

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Posted By: Big Dog
Date Posted: November 02, 2006 at 3:19 PM

Firstly, if it's w/o keyless then it's 5 wire reversal like you said otherwise it's positive trigger.

The motor wires are pink/orange and pink/black in the passenger kick - not in drivers kick.

The wires rest at ground so the idea is to open one with a relay and send 12V pos away from switch for lock then re-connect the broken wire with relay.

Repeat the above for unlock.

If fuses blow then you're sending 12V pos in wrong direction.

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