If fuse and magnets are good try tapping on the motor under the steps with a rubber hammer or block of wood. My 98 Georgetown used to do that once in a while and tapping on the motor would get them back working.
Although if light is not working either sounds like you may have lost power somewhere
Clyde and Elaine
2014 Georgetown 351DS by Forest River
2 Boston Terriers 1 French Bulldog
Rest in Peace Toby