How to Charge Trailer Battery from Tow Vehicle

Question:

how to charge the battery from the battery on truck

asked by: Elmer M

Expert Reply:

The 12 Volt accessory lead on the 6 or 7-way connector can be used to keep the battery on your trailer charged. Run the accessory lead from the trailer connector to the positive battery terminal on the trailer battery, and ground the negative terminal to the trailer frame. Please read and follow all of the battery manufacturers guidelines regarding battery charging.

expert reply by: Mike L

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