Rear wiper problem; motor or relay? - Ford Focus Forum, Ford Focus ST Forum
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Old 08-11-2005, 07:24 PM   #1
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Rear wiper problem; motor or relay?

My rear wiper recently went on the was wiping through the full range, but it was getting very slow, and last night it stopped about halfway through. I pulled the motor out today, and the first thing I noticed was the motor/solenoid (?) section was hot to the touch (I had turned the wiper on before removing the motor.)

I checked the incoming voltage from the plug, and its delivering 12.52 VDC (no on-off...just constant voltage.) So I'm wondering if its the relay or the motor...any ideas?

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Old 08-11-2005, 08:17 PM   #2
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Sound like the motor. Likely the bearing or bushings are frozen from corrosion. They generally as considere "non-repairable," however, I have, in the past, had some success using WD-40 and hand twisting to fee-up the shaft/beaing/bushings, and then using sone motorcycle chain lube, or similar penetrating=then=thickening lubricant.

Good luck, but if it was hot to the touch, it doesn't sound like a relay.
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