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Recommended Tow Bar Wiring Kit For Flat Towing A 2021 Ford Bronco

Question:

You guys have always done me right so instead of wasting 45 minutes looking for something I think I need I’m going to just ask you guys. I am looking to flat tow my 2021 Ford Bronco but instead of using the magnetic lights I’d like to wire for the tow vehicle lights to work in conjunction with the MH. I’m not an electrician but would like to try and tackle this task of install. Do you have a fairly easy install kit for this? Thanks

1

Helpful Expert Reply:

While we don't have a simple plug-and-play tow bar wiring kit for your 2021 Ford Bronco we do have the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267. This diode kit allows you to use your Bronco's tail lights and wiring system while preventing feedback from your RV. The install isn't too complicated, but you will need to cut and splice some wires to connect the diodes and wiring to the 6-pole socket. We don't have an installation video of this wiring harness on a Bronco but I did still attach a video of it being installed on a Jeep Grand Cherokee below, as the installation is basically the same process for all vehicles.

Since your Bronco has separate wiring and this wiring harness is going to cause your brake lights to function as both brake and turn signal lights. A wiring converter # 118158 and 2 additional diodes # RM-792 will be needed if you want to retain separate turn and brake signals.

To flat tow your Bronco you'll also need a tow bar, base plate, braking system, and safety cables. If you haven't already purchased these then I have the following recommendations for you:

Tow Bar: Roadmaster Falcon All Terrain, Non-Binding Tow Bar # RM-522. This tow bar features non-binding latches and a large hookup radius that makes connecting and disconnecting on any terrain a breeze.

Base Plate: Roadmaster Direct-Connect Base Plate Kit # RM92ZR. These direct-connect base plates offer a quick and easy attachment style. The removable arms provide a nice clean look when not in use.

Braking System: Blue Ox Patriot Portable Braking System # BLU37TR. This system offers precise, responsive braking that can be easily switched between towed cars. The LED display lets you easily adjust braking power, apply manual override, and monitor the system from your motorhome.

You'll also want the Roadmaster Universal Stop Light Switch Kit # RM-751000 to avoid damage to your towed car by ensuring that your supplemental braking system is properly positioned and working effectively. This kit activates your RV monitoring system to alert you when the brakes of your towed car are being applied.

Safety Cables: RoadMaster 68" Single Hook, Coiled Safety Cables # RM-643. The coiled design of these cables will help prevent them from dragging on the ground and being damaged.

2021 Ford Bronco
2021 Ford Bronco
(click to enlarge)
helpful expert reply by:
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Kevin C

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