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Does Trailer Breakaway Battery have to be Charged for Truck to Sense Trailer Connection  

Question:

I have the break away system on my trailer, it shows it’s charging right now but I’m wondering if it needs to be fully charged to show there’s a trailer attached on my ram 3500

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Expert Reply:

The breakaway system battery is not related to whether or not your truck will sense a trailer connection. It actually will look for the slight amperage draw that brake magnets create to determine this. While I strongly recommend waiting to have your breakaway battery fully charged before towing your vehicle will see a connection whether it is or not.

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Jameson C

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