Video of Issue: https://youtu.be/gmx5GSj8ReM
Hi folks! I recently acquired a disabled Sondors fat bike and have been trying to nail down the gremlin. Before I start the description, I'd like to note I've recorded a 100second video that best depicts the issue. When first turned on, the throttle will either move the tire a half inch or not at all. If I spin the tire up, or have already peddled up to speed, the motor *might* kick in for a few seconds at a time. I can keep restarting those seconds by letting go and re-engaging the throttle right before it cuts out, or while it is still spinning quickly. During the seconds its working, it provides very adequate torque to get me moving and keep me moving. I'd also like to note that the wire running to the motor gets warm, though as I'm unfamiliar with the bike in working condition I do not know if that is normal. According to the previous owner the throttle and controller have both been replaced, before he called it a day and sold the bike to me. I've hit every sensor and connection I could find with CDC electronics cleaner, but just haven't had any luck. Any suggestions on where to start?
Thanks for looking!