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
mike-s wrote:
After getting a bunch of answers indicating people don't read enough to understand the question - no, you don't need to provide +12V via pin 4 on the 7 pin connector. That's only used for charging (slowly) the battery, or keeping the fridge going if running on 12V while underway.
Without it, your lights and brakes will still work just fine. If your camper can sit in the driveway without draining the battery for a few hours while not connected to a power source, it can do the same while on the road.
No, I read it just fine. The OP edited his post to be more specific to just powering the charge line. You're just late to the party and short on facts!
