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How to Add Second 4-Way to Rear Wiring of Motorhome


I am looking for a 4-pin splitter connection as I need two 4-pin connectors for my tow vehicle a motor coach to connect to both my tow dolly AND the towed vehicle attached lighting. Can you help me source this item?


Expert Reply:

To wire in a second 4-way will require you to go with the part # 18004. This will hardwire to the current 4-way you have installed at the rear of your vehicle.

If your RV has a 7-way already you could use # HM40975 to replace it which has a 4 and 7-Way in it and then use an adapter, such as # PK12716, to plug into the 7-Way so you could plug in another 4-Way trailer side connector.

expert reply by:
Jameson C

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