Do I need power at pin 4 on my tow vehicle?
I think y'all think I be dumb. I know I need to plug that big black rubber thing on my trailer into my truck (what else will keep the trailer from falling off the ball ;)) This year we're going to...
Forum Discussion
DutchmenSport wrote:
When driving, your 7 pin plug needs to be plugged in all the time. That plug is needed for your trailer turn signals and brake lights, as well as a power line for tow vehicle battery to the DC volt system in the trailer.
DITTO
