99 Mustang rear power window problem - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 2 (permalink) Old 04-18-2004, 07:21 PM Thread Starter
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99 Mustang rear power window problem

99 Mustang convertible. All power windows worked. Both rear windows stopped working at same time. Both front still work.

Diagnosis summary:
1. Fuses under dash appear OK (and I think same fuse handles all windows)
2. High amp breakers/fuses under hood all look OK

3. Rear window circuits draw amps when button pressed - I put amp meter on wires around switch - and can hear engine noise change when I hit button.

I can't believe both motors would fail at same time.

Anything else going on ?

Maybe switch in door is grounding out somewhere ? If so, why for both rear windows.

Appreciate any help !
delawaredave is offline  
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post #2 of 2 (permalink) Old 04-19-2004, 08:54 PM
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99 Mustang rear power window problem

If they haven't been used in awhile, try taking off the necessary panels so you can see the motors, and give each one a whack with a hammer. They'll probably work fine after that. I see lots of window motors that don't work because the contacts have gotten some corrosion from sitting. A smack loosens things up and they work fine.
66restomod is offline  
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