2003 F150 keyless problems

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=37505
Printed Date: July 17, 2025 at 10:17 PM

Topic: 2003 F150 keyless problems

Posted By: ucmwp
Subject: 2003 F150 keyless problems
Date Posted: August 16, 2004 at 3:49 PM

Hi, i'm installing a keyless entry and remote start in my 2003 f150. It came with factory keyless entry. when I connect the wires up to the relays for the 5 wire alternating system, the doors lock and unlock continously. Is this system not a 5 wire like I thought? Any thoughts?

Replies:

Posted By: raydawg357
Date Posted: August 19, 2004 at 10:52 AM

If your truck has the factory keyless entry it's not a 5 wire. It's (-) door locks.

https://www.directechs.com/directwire/wire_body.asp?action=select&yr=5340&product=Remote%20Start

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