I currently have an LED strip connected to the roller tube but also would like to put one on the side of the RV because sometimes, due to wind, I cannot extent the awning. My plan is to wire it directly to the porch light by drilling a hole in the camper side and fishing the line to the switch. The other thing I am contemplating is to run a 15' LED strip along the I-beam (or "C" beam) on the curbside from the back of the 5er to as far forward as it will go and tie it into the step light. I'll let you know if I am successful, and if the wiring will even work. I've got the RV in the shop right now, getting ready for the next trip.
Two non-electrical related items concern me; 1). how to make sure the light strip connected to the camper side will not blow off while traveling down the road and, 2). how to connect the other light strip to the "I-beam". Sorry, I don't have an answer just yet to your question but sooner or later, I guess someone will be able to help us both