Are these Kwikee Steps? If so, look under the part of the step that actually bolts to the bottom of the entry area. Find the Control Unit, a black plastic box. Box itself is square, but the newer versions of the step use a Box with an extended mounting tab on it. Looks like a triangular "fin." The earlier one mounts with its crews closer to the Box, no "fin." Newer "with fin" service guide is
Manual #888 Fin shows in Figure 3.
The "no fin" service guide is
Manual #875 No Fin shows in Figures 1. and 2.
This Notice discusses the difference between the steps covered by #875 and those covered by #888
Finally, here's Kwikee's
Troubleshooting Flow ChartOurs is powered through a circuit breaker off the coach battery. When ours malfunctioned, first time it was a bad ground connection. Another failure was one of the gears in the motor assembly. I was able to repair it with a Ford Power Window Gear Fix Kit.
If God's Your Co-Pilot Move Over, jd
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100 218" WB