Yes the Lippert Replacement Motor Harness for RV In-Wall Slide-Out # LC229755 will work just fine as this replacement harness will work with all Lippert In-Wall slide outs.
This harness measures 20' long, however if you wanted a different length you could also use # LC238991 for a 25' long harness, # LC247768 for a 15' long harness, # LC229756 for a 30' long harness, and # LC86VR for a 10' long harness. view full answer...