Odd power mirror issue

not1337

New Member
Oct 9, 2009
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I've purchased a '91 GT and it has an odd electrical problem with the power mirrors.

Both the drivers and passenger side mirrors only go left and down, not up and right. I cleaned the switch, the contacts, and the harness plug but that didn't fix it. I purchased a new switch but unfortunately that wasn't the problem either.

Does anyone have any suggestions on how to further diagnose? My Haynes manual is awful, the wiring diagram is non-existant. Thanks.