Parts Needed to Flat Tow 2020 GMC Yukon XL Denali  

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Expert Reply:

The first thing you need to flat tow your 2020 GMC Yukon XL Denali is the Blue Ox base plate kit part # BX1718 which provides the connection point from your tow vehicle to the Yukon.

In addition to the base plates, you will also need a compatible tow bar, safety cables, lighting, and supplemental braking to flat tow your vehicle. One of the most popular compatible tow bars is the Blue Ox Avail # BX7420 which comes with safety cables. The coiled design helps keep the cables off of the ground.

For lighting you can use the diode kit, # RM-15267, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control the taillight assemblies of the towed vehicle. This comes with a round 6-way connector that you will install on the front of your towed vehicle and enough coiled wire to go from there to the RV. The battery needs to be disconnected too so you'll also need the part # RM-766.

And finally, most states now require supplemental braking in the vehicle being flat towed. The easiest system to set up and use is the Blue Ox Patriot # BLU37TR, that applies the vehicle brakes in proportion to how much the tow vehicle is braking. This is the safest way to stop and it reduces wear and tear on both vehicles.

Most likely you will also need a high low adapter so that the tow bar will be level when you are flat towing. I attached a link to a page that has all of the ones we carry.

I have included a couple of helpful links to our articles on flat towing for you. Be sure to consult the vehicle owners manual for more specific information on flat towing your vehicle.

expert reply by: Jameson C

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