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What Gauge Wire Is Needed To Run Charge Line for Battery From Truck to Trailer

Question:

What gauge wire do you need to charge the battery on a camper from the truck

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Helpful Expert Reply:

The wire that runs from the vehicle's battery to the 7-way trailer connector and then from the 7-way trailer connector to the trailer battery should be at least a 10 gauge. If you don't have any 10 gauge wire you can purchase part # 10-1-1 by the foot. Please note, you will need a circuit breaker part # 9510 on this charge line wire about 6" away from the battery on the tow vehicle. The 7-way trailer connector can then be used to attach and disconnect the charge line between the tow vehicle and trailer.

helpful expert reply by:
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Conner L

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