04 navi Power liftgate problem - Ford Truck Enthusiasts Forums



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04 navi Power liftgate problem

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Old 10-21-2010, 10:43 AM
jonnydz jonnydz is offline
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04 navi Power liftgate problem

When I bought it a few weeks ago the owner said it works sometimes. It worked twice when I tested drove it and now nothing. The motor seemed to be fine when it worked. Is there a relay or module that I should try to replace before taking to lincoln?

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Old 10-21-2010, 08:53 PM
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When I bought my '04, and before I found this website, the tailgate did not work at all. The dealer charged me around $750 to install a new latch. The problem was not the latch but turned out to be a corroded wire that ran under the carpet along the edge of the floor board between the driver's door and the firewall. Down by where your feet go. There is a low spot for the wire harness to lie in and the wire corroded at a connecting plug. You can pull the carpet back to check the area. If the vehicle came from a snowy area, water and salt may have accumulated in the past.
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Old 10-23-2010, 09:29 AM
jonnydz jonnydz is offline
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Thanks i will check that.
Anyone else.. Come on there has to be a few more people with this problem
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Old 10-26-2010, 10:28 AM
jonnydz jonnydz is offline
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Please help. I don't want to take to the dealership.
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Old 10-26-2010, 12:18 PM
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I assume you have checked your fuses. My owner's guide indicates fuse number 5 @ 7.5Amp, 30 @ 30Amps, and 105 @ 30Amps. Is anything else not working because they all run multiple things as well.

Do you have power running boards? Fuse 105 only powers the liftgate and running boards. If your liftgate glass works, you can forget fuse 30.

Are you getting any warnings in your "Message Center"?

Sometimes my key fob looses it's connectivity and will not open liftgate. I have to use the button by the rearview mirror before it resets and works properly again.

If you end up taking it to dealer, please let us know what you find out.
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Old 10-26-2010, 12:54 PM
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Have you tested power into the motor?
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Old 10-26-2010, 01:26 PM
jonnydz jonnydz is offline
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Ya I checked all the fuses and yes the running boards work great. Anyone know of any relays or moduals that I should replace?
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Old 10-26-2010, 01:28 PM
jonnydz jonnydz is offline
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No I have not tested the motor power. Any thoughts or advice on how to check
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Old 10-26-2010, 02:24 PM
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Need to find a wiring diagram to see where the feed and motor are, the most direct route would be to test as close to the motor as possible to see that power is going there. The best spot to rule out any issue with the inbound wires is to test at the motor. Check the connections while you are there. If you have power going into the motor then the motor is the issue. You need to test this while pressing the button so the circuit is on.
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Old 10-26-2010, 02:39 PM
jonnydz jonnydz is offline
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Cool. Thanks. Will one of the service manual cds have the wiring diagram in it?
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Old 10-26-2010, 03:41 PM
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I would assume so, but there are people here who at times offer up specific diagrams. There might be someone lurking here who can help with the diagram or at least the correct color wires to be chasing.
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Old 06-19-2012, 12:06 PM
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Hi
I know this is a old thread but was hoping someone can help me.

The power liftgate on my 2004 Navi is not working, I have checked all the fuses, and it is activated in the information centre. Is there any other fuses (under the hood maybe? and if there is where?)
I checked to see if there is any power at the motors and there is nothing. I did remove the kick panel at the driver side and there is 3 plugs, n big white one, small black one a medium green one, attached a picture. Witch of these plugs is the one that gets corroded?
Any other help will be appreciated

Thanks

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