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Thanks for the info.... Once I found which terminal it was in the plug all works fine now... It's all working.
The trailer manufacturer had the 12v wire and the brake wires switched in the trailer 7way plug... I swapped the two wires and everything works great.
Thanks for all the responses guys!
Jess
Glad to hear you got it fixed!
i've never seen the wires reversed on the big 7-way plug before. I've seen it on the small 6-round plug several times, as there were two conventions for that plug style.