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Should a Circuit Breaker be Used when Wiring Up 12 Volt Accessory Circuit of a 7-Way  

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This is in reference to..Can a 7-Way Trailer Connector Be Used To Charge the Trailer Battery Do you connect the opposing terminal wire on the 7 point connector purple wire on connector on the vehicle, straight to the vehicle battery or should there be a in-line fuse or something else involved?

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Expert Reply:

When you run the 12 volt accessory wire from a vehicle 7-way for you want to run the wire through a 40 amp breaker like the part # 9510.

You'll also want to be sure you use 10 gauge wire like the part # 10-1-1 which is sold by the foot.

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Jameson C

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