2000 f-250 7.3
took off the 6-way and replacing with a 7 way. not sure about 2 wires though.
i have the turn lights, ground, trailer main, and electric brakes (5 total) hooked up correctly.
i have 2 wires left; brown w/ white stripe and black w/green stripe coming from the factory harness. not sure what these are.
on the female 7-way i purchased; which i am wiring into the factory harness;
i have black wire(auxilliary power lead) and a purple wire(reverse).
not sure which wires go each other.