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Old 07-21-2019, 11:53 AM   #3
Restorium
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Join Date: Apr 2018
Location: Bay City, MI
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If it does the opposite when the leads are changed then the problem is narrowed down to the power going to the motor on one set of leads. That would be a controller issue. Sounds like bad contacts in the reverse polarity controller/switch. It's usually the switch because it gets most of the abuse. Like a power window switch.
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