Adding backup lights, Wiring help needed.
I've been wanting to add backup lights to my TT for several years now. I've read every single thread here & on other sites, my plan is to mount 4 LED flood lights, 2 on the rear bumper of the TT f...
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And leave 87a alone. But, the switch won't keep the lights on after you disconnect the umbilical. For them to stay on after unhitching, you need a 12v hot to a switch to the lights that does not run through the relay, OR, a 12v hot to a switch to the relay on 85 when you are unhooked.
However, your best solution is to forget the umbilical and a relay completely. Run from the trailer battery for a 12v hot to a switch to the lights. When you need them on, get out of the truck and hit the switch. When you are done, hit the switch again.
However, your best solution is to forget the umbilical and a relay completely. Run from the trailer battery for a 12v hot to a switch to the lights. When you need them on, get out of the truck and hit the switch. When you are done, hit the switch again.
