Window and moon-roof fuse keeps blowing

ROBERT MCNHOTEN

MEMBER
2001 LINCOLN NAVIGATOR
5.4L
V8
4WD
AUTOMATIC
180,000 MILES

Every time I try to put a fuse in the fuse position for the moon roof and the windows in the interior fuse box it just pops instantly. It's affecting the radio, interior lights and the windows it's I'm having a hard time.

Saturday, June 27th, 2020 AT 12:03 AM

4 Replies

KASEKENNY

MECHANIC
18,907 POSTS

The best way to find this is to disconnect the components that are on that fuse one at a time and then replace the fuse to see if it blows again. If it does then we move onto the next component.

The issue is, I am not seeing a fuse in the interior fuse box that is related to the moon roof. So can you let me know which fuse this is and I will get a wiring diagram for that fuse so we can see everything that is on it to know what to start unhooking.

The issue is, you either have a short in the component or the wiring to that component. That is what is blowing the fuse so let's start with what fuse it is and go from there. Thanks

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Saturday, June 27th, 2020 AT 9:33 AM

ROBERT MCNHOTEN

MEMBER
3 POSTS

So the fuse that keeps popping is fuse number 14 in the fuse box underneath the steering wheel and that fuse powers all of the following things:

Rear wipers.
Running board lamps.
Battery saver relay.
Interior lamp relay.
Accessory delay relay.
(power windows.
Flip windows.
Audio.
Moon-roof (2000-2002).
Homelink (2000-2002).

Thank you so much for your help.

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Saturday, June 27th, 2020 AT 4:11 PM

ROBERT MCNHOTEN

MEMBER
3 POSTS

So I took relay number 2 battery saver relay out of the fuse bow under the steering wheel because it looked damaged and it is one of the items running of the number 14 fuse. Then I tried inserting a 20 amp fuse its all I have right now and the fuse stayed in tacked but not all of my functions are working no stereo or windows. So I tried removing the relay from under the hood that is marked as trailer lights and put it in the battery saver fuse position and the fuse blew instantly. So that is where the short is correct?

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Saturday, June 27th, 2020 AT 4:50 PM

KASEKENNY

MECHANIC
18,907 POSTS

Okay. Just so I have this straight before I agree because I don't want to give you the wrong info.

You put a 20 amp fuse with the battery saver relay out and the fuse did not blow. Then you put in a different relay (trailer tow) and the fuse blew? So you are saying that the battery saver relay is the issue or what are you saying is the cause?

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Sunday, June 28th, 2020 AT 8:13 PM