I don't think I can help. I've had trouble with our gear mechanism ,brass gear teeth broke off , broken pin thru shaft/gear , and finally one relay was intermittent. However, the motor itself always worked. With our gear and pin problems, the motor would spin but the slide wouldn't move.
Ellen & Greg
08 National Dolphin DL-35Ci, RoadMaster Rear Sway Bar, Rear Trac Bar, Koni Shocks Front,
Workhorse W22, Kelderman Air Ride, Towing 2016 Smart Car