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Wiper woes?

493 Mike

FBBO Gold Member
FBBO Gold Member
Local time
8:42 PM
Dec 25, 2011
Reaction score
White Cloud, MI
The wipers work with the switch in off position. At this point current is available at the red, blue, black, and pink wires at the switch connector. The yellow I believe is high speed. Turn switch on and they stop? Both units pass the FSM wiper motor and switch tests. All new wiring up to the motor connector. Ground jumpers on switch and motor housing. Switch is a NOS unit. System is variable speed. Any thoughts?
Update: I crossed the pink (now red) with the F-1 red so, I was feeding the switch backwards. Fixed that, now: no high speed or park so I'll work on those issues, after lunch!
Final update: Well, once again it was my fault. I swapped the 2 leads I had crossed earlier but, I really didn't. DUH! Now the wipers function fine. Human error.
I was so dreading pulling the wiper motor that it was affecting my diagnoses.
Last edited:
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