I've ran out of options and this is my first post to this forum. I have a 2016 Rad Rover and had purchased a Bafang 48v 1000w Rear Hub Motor (L1019) due to some issues with my 750w motor I had previously upgraded to. The 1000w motor was not a drop in replacement like the 750w was so I took it to a local bike shop. They had my bike for about 2 months and they were unable to get it working properly. They had tried to charge me almost $300 for the "repair" but they also threw away my other motor, which I had asked for a diagnostic on. They ended up only charging me $100 but I still have a bike that isn't working. I brought it home yesterday and when I pull the throttle the tire spins for about 3 seconds then cuts out. I'm running the RadPower Upgrade Kit from Bolton / Area 13 ebikes and the motor was purchased from Big Game Ebikes. Any suggestions would be helpful. Please let me know if you need additional information.