My motorhome steps were stuck in the open position I didn't know if it was the motor or the transmission (or the electronics) but I took a Page 4 Introduction Owner's Manual# 888: Kwikee Electric Steps INTRODUCTION STEPS WITH CONTROL UNIT This manual has been provided to assist you with the identification  operation  maintenance  and troubleshooting of the Kwikee electric step equipped with a door switch  Rev: Page 4 Kwikee Electric Steps# 888 Owner's Manual Introduction Step control wiring is only to be used for step and step light (provided with the step) functions