Windshield wipers crapped out :( / General Science and Electronics / Forums

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Windshield wipers crapped out :(

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LAN_403

Chip Fixes

Fri Jun 10 2011, 03:52PM

Registered Member #3781 Joined: Sat Mar 26 2011, 02:25AM
Location:
Posts: 701

I have a 1994 Plymouth Acclaim and the windshield wipers just randomly stopped working today while i was using them (they failed when i needed them most!). The fuse is fine and everything else on the controller still works, but I got no response when I turned the wipers on. However, about an hour after they quit working I turned them on again and they worked. So I think the motors are fine but I my have a short or a loose connection? any thoughts?

Here is a picture of the windshield wiper controller

Ash Small

Fri Jun 10 2011, 04:09PM

Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245

Intermittent problems are usually dirty/loose/corroded connectors/terminals.

clean all connectors, clean the switch contacts, check the motor brushes.

You can use an ohm meter here to try and find higher than normal resistances between contacts, connectors, etc.

EDIT: there will be a switch in the circuit which returns the wipers to rest when turned off. There will also be a time switch for 'intermittent' setting (capacitor/resistor type). also resistors for speed control. Often it is the switch itself that is at fault. (the one in your photo)

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