That odd. Does everything work Ok inside and outside the RV?
How many wires in that bundle?
You might find a schematic some where that will referance the color wires in that bundle.
Can you look a another late model Class C in your area? Perhaps at a Dealer or a neighbor?
2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor