Strange power window problems on 89 bronco
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1st Gear
Joined: Sep 2024
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Strange power window problems on 89 bronco
So I’ve got an 89 5.0 with power windows/locks and the passenger window has a problem where it’ll go up and down fine for a while then won’t go up and after it sits it’ll go up like nothing happened please help
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Joined: Jul 2020
Posts: 10,470
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From: Near Salt Lake City
An intermittent faulty switch or a break in the wiring going through either door accordion
Generally, ghost in the machine type stuff is a master switch issue
Yours could be either switch being faulty
Some people successfully disassemble and clean their switches
I fine them cheap and easy to replace although I do clean BMW ones and Mercedes
Next time it quits, pull the panels and do some voltage testing with your test light
A EVTM explains the circuit and has a few troubleshooting tips
Generally, ghost in the machine type stuff is a master switch issue
Yours could be either switch being faulty
Some people successfully disassemble and clean their switches
I fine them cheap and easy to replace although I do clean BMW ones and Mercedes
Next time it quits, pull the panels and do some voltage testing with your test light
A EVTM explains the circuit and has a few troubleshooting tips
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