I just discovered my answer on the cover of the dang thing!
Lambodesigns..check your wiring!
My cover indicates Ford is using Grey for running lights, small white w/black stripe for back-ups, yellow for left turn + stop,
Green for right turn + stop. The 12v and ground have to be made outside the plug. So it was a waste to buy the 5th wheel harness. I will probably sell it and cut the harness at the plug for the sake of the 4 wires i am going to splice into.
I hope that someone gleans some benefit from my mistake. I didn't want to cut the harness on an expensive truck. But throwing money at it didn't really do me any good at all! 5th wheel harness was of no benefit at all for this application.
