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Idahome
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https://www.rockauto.com/en/catalog/ford,1993,ranger,4.0l+v6,1137923,electrical-switch+&+relay,wiper+/+washer+switch,4856
Then there should be two wiper control RELAYS (these are suspect for sure)
And of course the GEM module is also a part of the equation
I would start by checking the relays
Also check your power GROUND wire near the wiper motor.... smoke = a dead short to ground usually
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I build custom RBV, specializing in drivetrain conversions, wiring, suspension and complete custom trucks