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Power window fuse location

Tiny
PAUL.KNOLL1
  • MEMBER
  • 2003 MERCURY MOUNTAINEER
  • 4.0L
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 100,000 MILES
Where is fuse located for power windows? The manual does not indicate.
Wednesday, March 2nd, 2016 AT 5:00 AM

14 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Power windows don't use a fuse, they use a circuit breaker due to the high draw of the motors.The circuit breaker #47 for this and it is in the smart box or under hood fuse box. Here is a guide to help you see where you are losing power and the window wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please run this test and get back to us.
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Wednesday, March 2nd, 2016 AT 7:19 AM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
Thank you. Can I reset the circuit breaker?
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Wednesday, March 2nd, 2016 AT 8:07 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
No, they reset themselves. If no power then the breaker is bad. It should be visible like a fuse. I do not have access to our manual to show where it is. If under hood it should be marked on underside cover of box.
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Wednesday, March 2nd, 2016 AT 8:11 AM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
Thank you. I have read that if I disconnect the battery for about thirty minutes it may reset breaker, do you agree?
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Wednesday, March 2nd, 2016 AT 8:32 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
No, breakers do not work like that. If you have no power at your switch then the breaker/fuse is bad or a short in wire.
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Wednesday, March 2nd, 2016 AT 12:00 PM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
I got frustrated and slammed the car door closed and for some reason all the windows started working. I am thinking a loose wire in door wiring.
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Wednesday, March 2nd, 2016 AT 12:16 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Okay, I went to a Ford manual and got this for you to check. There are three different fuses and a relay to check. See picture.
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Wednesday, March 2nd, 2016 AT 12:21 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may be that or a wire broken between the door and jamb.
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Wednesday, March 2nd, 2016 AT 12:22 PM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
Thanks for fuse locations image, I am just going to test all. I will check the wire between the door and jamb.
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Wednesday, March 2nd, 2016 AT 12:27 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
Please let us know what you find so it will help others.
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Monday, March 7th, 2016 AT 5:36 PM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
I am going to replace the circuit breaker, I will let you know.
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Tuesday, March 8th, 2016 AT 3:36 AM
Tiny
PAUL.KNOLL1
  • MEMBER
  • 7 POSTS
Thanks, I change the circuit breaker, all the window work, with one exception. If I have driver side door open the windows will not work, If I shut the door all the window work.
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Tuesday, March 15th, 2016 AT 9:50 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for a broken wire in door jamb for that window or a bad window switch. Here is a guide to help confirm the issue:

https://www.2carpros.com/articles/electric-window-repair

Please run down this guide and report back.

Cheers
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Tuesday, March 15th, 2016 AT 12:03 PM
Tiny
DONTAERAHN
  • MEMBER
  • 3 POSTS
It was the switch that fixed my car cost me $56.00. FYI
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Monday, August 27th, 2018 AT 12:28 PM

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