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Converting 4-Way Trailer Wiring To 7-Way for Tekonsha Prodigy Wireless Brake Controller Use

Question:

We have the wireless brake controller on our camper and my sister wants to use it but she only has a 4 pin plug on her truck. Could we get the 4-way to 7-way adapter and then run a wire from the adapter to a 40 amp breaker mounted on the trailer connected to the trailer battery?

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Expert Reply:

Yes, you can utilize her current 4-way adapter and then add the 10 gauge wire and 40 amp circuit breaker to give her a 7-way with the functions she needs. You can get everything you need in the # ETBC7 wiring kit. I've attached an article and a video to assist.

If you prefer to piece things together, you can get wire # 10-1-1 sold by the foot, circuit breaker # 9510, ring terminals # DW05705-1, and Hopkins Adapter # 37185.

With either option, you do not need to connect the brake controller output wire or the reverse wire, but you will need to connect the ground wire. This will work with the Tekonsha Prodigy Wireless Brake Controller.

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Jason S

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