Can Tekonsha Trailer Breakaway Kit be Wired to Trailer Battery?

Question:

I have your Tekonsha Trailer Breakaway Kit 20020. Your video on the product states that one wire of the breakaway switch goes to a power supply. Question is which power supply - main trailer battery, tow vehicle battery or the battery that came with the breakaway switch ? Wouldnt the breakaway switch work if wired directly to the main trailer battery and if so whats the need for the battery and charger that came with the unit ? I might be just over thinking this but it does make me wonder. Thanks for your help.

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Expert Reply:

The Tekonsha Trailer Breakaway Kit with Built-in Battery Charger # 20020 cannot be charged through a 12V circuit because that would result in overcharging the battery which is why it has its own battery. That battery is also the power source that was referred to in the video.

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Kyle S

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