plug under cig lighter
#4
Mark
iTrader: (1)
My 93 5.0 ... the lighter was in the ash tray...don't know what your talking about.
#5
Senior Member
More than likely it is for a brake controller. Even if you do not have the towing package they will still have the brake controller plug. I just is not wired for power or to the rear of the vehicle, just the brake light and ground wires are connected.