Not to cloud the issue too much, but on my Ranger the switch wasn't the
problem. Mine was the wiper motor itself. There's a doohicky (for lack of
a better technical term) inside the motor casing on my truck that controls
parking and delay. If you rap on mine with a hammer while running the
wipers it will work.
Thought I'd toss this out there since it was another Fomoco.
Sounds like the MFW is a good bet.Not necessarily
a sure thing.
I'd dissemble (you gotta pull the ignition
lockset), clean and inspect all MFW elec. connections,
re-assemble and test.
Pease pudding hot,
Pease pudding cold,
Pease pudding in the pot
Nine days old.
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