I don't think the 4 & 7 pin on the Ranger not working while towing behind the motorhome is specific to the Ranger, but more how the toad (vehicle towed behind a motorhome) light kits work. The 6-pin on the front of the toad has 3 wires that run to the tail lights; common running lights, bright...
I tow a '23 4x4 behind my motorhome and installed the Roadmaster tail light kit. The kits power the tail lights on the Ranger using a diode to prevent power going the wrong direction. This does not power the 4/7 wire plugs on the back of the Ranger, so anything plugged into them won't work. I...
And they SUCK!!!!!
By putting them on the back wall instead of the back of the seat they are nearly impossible to install the seat AND they are impossible to un-install the seat. You can't tip the seatback down enough to get your hand in to remove the clip.
Every other car I've installed car...