Answers
Apr 17, 2018 - 05:19 AM
Yes you will lose the power brake controller as well as the ability to recharge the trailer battery. This adapter goes from 7 pin to 4 pin.
Trailer & RV Wiring > Connector Adapters
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Apr 17, 2018 - 05:19 AM
View all Hopkins 47405 7-Way Round Pin to 4-Way Flat Adapter Questions & Answers
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