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Can Trailer Wiring of 2018 Ram 3500 Charge Trailer Battery  

Question:

Hello, I have a 2018 Dodge Ram 3500 with a 220Amp Alternator. Would this setup automatically charge my RV batteries while driving? Kind Regards,

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Expert Reply:

The 12 volt accessory circuit of the 7-way you have on your 2018 Ram 3500 can put a maintenance charge on your trailer. This is the pin in the 1:00 position. As long as your trailer has a wire ran from the corresponding pin to the positive post of the battery it would receive a maintenance charge.

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Jameson C

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