Blue Ox Base Plate Kit for 2020 Jeep Wrangler towed by Forest River Berkshire
Updated 05/05/2025 | Published 05/04/2025 >
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Question:
Good day. I have a Blue Ox tow bar on my 2011 Forest River Berkshire 390qs. I am towing a 2020 Jeep Wrangler. I need to purchase a base plate, and I also need to understand which wiring system Ill need for the towed vehicle.
asked by: John J
Expert Reply:
Hey John, since you have a Blue Ox tow bar you'd want the Blue Ox Base Plate kit part # BX1139 which is a confirmed fit for your 2020 Jeep Wrangler.
For a wiring/lighting solution you'd want the Roadmaster diode kit part # RM-15267 that you referenced. This will give your motorhome the ability to control your Wrangler taillights plus is comes with wiring to span the distance of the tow bar as well.
Do you have a braking system already?

Product Page this Question was Asked From
Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
- Flat Tow Wiring Harness
- Splices into Vehicle Wiring
- Diode Kit
- Universal
- Tail Light Mount
- Roadmaster
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John J.
5/5/2025
Thank you for the reply! Yes, I do have a braking system for the system, an RVibrake3 unit. It is complete except for the breakaway cable.