Have a shoreline Model 5036 power reel for electric supply. The power reel has become inoperable and the only method is to rewind power cord by hand. When I depress toggle to rewind I can hear the 12...
Are you saying the motor runs but nothing happens? If so, as hypoxia says it may be a broken gear. I had the same problem and also stumbled upon BackhoeJoe on the FMCA forum who's son made replacement parts. The manufacturer no longer supplies spare parts for them.
Here is my report of how to go about replacing the gear (assuming that is your issue). Included is a link to the post where you can contact BackhoeJoe.