2009 ford flex avital 4003 remote start
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=120295
Printed Date: July 06, 2025 at 1:38 PM
Topic: 2009 ford flex avital 4003 remote start
Posted By: infarction_35
Subject: 2009 ford flex avital 4003 remote start
Date Posted: February 21, 2010 at 7:39 PM
I recently installed a DEI Avital 4003 remote start in a 2009 Ford Flex. The remote start is the only thing I hooked up. It does not have door lock/unlock interface. I used the master door lock grey/tan wire as my activation wire. When the lock button on the remote is clicked 3 times it activates the remote start. The problem is that the doors will lock and then the driver door will unlock like the unlock button has been clicked (which it has not). If I click the lock button a 4th time the driver door will lock again. I'm wondering if this is some sort of protection against locking yourself out of the car. I have the factory arm/disarm wires connected but nothing connected to any of the unlock wires. According to the DEI wiring guide, this car has a 5 wire lock system. Is there another wire I can use to acomplish the same thing without it unlocking the driver door?
Replies:
Posted By: chev104275
Date Posted: February 22, 2010 at 6:34 AM
what are you using for your disarm wires ? should be Factory Alarm Disarm(GREEN/ VIOLET) sounds like the diarm wire is connected to an unlock wire
im assumming this does it with the door closed ?
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If i Can't Install it I Don't need it Joe
Posted By: KarTuneMan
Date Posted: February 22, 2010 at 6:50 AM
Locks are negative. The drivers door unlock is rev. polarity. You could be correct on the unlocking of the door, it might open when the ign. gets hot.
Posted By: infarction_35
Date Posted: February 22, 2010 at 8:00 AM
I was wondering if the reverse polarity was causing the locks to lock then unlock. I had originally intended to use the lock wire, but I was told to use the lock motor wire because it would provide a more stable signal. Any other suggestions about what to use for the trigger wire?
Posted By: awdeclipse
Date Posted: February 22, 2010 at 9:11 AM
Doors closed, use the key to start the car and press the lock button in the car. Does it do the same thing? Also try it with the drivers door open and see if you get the same behavior. I have seen the same behavior on other cars and if it has the drivers unlock feature it will also only unlock the drivers door. Another thing to try is push the lock plunger/latch if it has one with the car running to see if does the same thing.
If pushing the lock button in the car does not cause the same problem then using the lock wire might be a better solution.
Posted By: infarction_35
Date Posted: February 22, 2010 at 8:08 PM
thanks for the suggestion!
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