RV Pigtails 20040 6-Way Round To 7-Way Round Blade Socket Charge Wire - 12"

This is a 6-way round to 7-way round blade socket adapter with charge wire at 12 inches. It converts a 6-way round connection to a 7-way blade socket and includes the dedicated charge wire circuit. This allows your tow vehicle to charge the trailer's auxiliary battery through the adapter — essential for trailers with breakaway battery systems or onboard 12V systems.