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7-pin trailer connection

  • Thread starter Thread starter Eagle1912
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Eagle1912

2️⃣ Bronze
Does anybody know the wire gauge for the hot wire to the trailer? It has 30amp breaker on it but I don't want to assume. I am looking to go to lithium battery on my travel trailer and need that info to pick the proper dc-dc charger
 
I am not sure, but it is my understanding that the industry standard for the 7 pin wiring is a minimum wire gauge for the White (ground) wire, the Red or Black (power) wire, and the Blue (brake power) wire is 12 gauge. The minimum wire gauge for the remaining Green (right turn/brake) wire, the Yellow (left turn/brake) wire, the Brown (tail lights) wire, and the Purple (reverse light) wire is 16 gauge.

I hope that helps.
 
Bottman said:
I am not sure, but it is my understanding that the industry standard for the 7 pin wiring is a minimum wire gauge for the White (ground) wire, the Red or Black (power) wire, and the Blue (brake power) wire is 12 gauge. The minimum wire gauge for the remaining Green (right turn/brake) wire, the Yellow (left turn/brake) wire, the Brown (tail lights) wire, and the Purple (reverse light) wire is 16 gauge.

I hope that helps.
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Ok...thanks. it's protected by a 30amp fuse so I was hoping for a heavier wire.
 
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