It's almost as if the worm gear is loose on the shaft. It works in one direction but the slop, under torque, disengages from the gear? Just guessing at a possible cause. I suppose if you could get to the motor it might be possible to bypass the switch with 12 volt and test both directions with direct current. Again...just guessing.
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Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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