Recommended Towed Vehicle Air Force One Supplemental Braking System for Diesel Motorhomes

Question

Question:

I purchased a used diesel motorhome w/air brakes that already has the required equipment, so I really just need the towed vehicle parts. Is there a kit for that: 2017 Jeep Wrangler Rubicon Unlimited?

asked by: Jim F

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Expert Reply:

Congrats on your new purchase! Yes, there are three options for the tow vehicle only side of the Demco Air Force One Supplemental Braking System for Motorhomes with Air Brakes item # SM99243. Which one you need will depend on the year, make, and model of your new motorhome because they all have different connectors. I have listed the options below:

2021 and Newer Freightliner Chassis Motorhomes with BrakeSync - Demco Air Force One Braking System item # DM23MV

2020 and Newer Tiffin Chassis Motorhomes - Demco Air Force One Supplemental Braking System item # DM55MV

2019 and Newer Spartan K2 400 Chassis RVs with Safe Haul - Demco Air Force One Flat Tow Brake System item # DM54YV

Some other parts you will need to flat tow your 2017 Jeep Wrangler Rubicon are listed below:

Tow Bar and Safety Chains - etrailer SD Non-Binding Tow Bar item # e74ZR

Base Plate Kit - Roadmaster Direct-Connect Base Plate Kit - Removable Arms item # 1444-3

Wiring Harness - Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit item # RM-15267

High Low Adapter - The tow bar needs to be within 3" of level. If you measure the height of the inside top of the hitch receiver tube on your RV, and the height difference is more than 3 inches above/below the base plate tab height, you'll need a high/low adapter. I have linked a FAQ article that explains all this in more detail along with our selection of adapters.

expert reply by: Jerred H

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Answer 1

Yes, the cover for the Demco Excali-Bar III Tow Bar #DM9511013-BX is found as part #DM9523042 on our site.

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Answer 2

In order to lock a Demco Tow Bar like the Demco Excali-Bar III Non-Binding Tow Bar part #DM9511013 you'll need the Demco Base Plate and Receiver Lock Kit part #DM9523068 which comes with locks to secure the tow bar to the motorhome and the tow…

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Answer 3

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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Answer 4

I would be happy to! To flat tow your 2021 Chevy Tahoe Premiere you will need the following parts: Tow Bar and Safety Chains - Roadmaster Sterling Tow Bar item #RM-576 Base Plate Kit - Roadmaster Direct-Connect Base Plate Kit - Removable Arms item…

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Answer 5

Hi Robert; hopefully your Roadmaster tow bar is one that attaches to direct-connect base plates as opposed to crossbar base plates; for example the 8,000 lb Roadmaster Sterling would be optimal. Assuming that, here is what you need to flat tow your…

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Answer 6

The Demco Air Force One Supplemental Braking System #SM99243 is actually the perfect solution for you since it does not engage the brakes on your toad when the brake lights on your coach are lit; it instead relies on the the coach's air brakes to…

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Answer 7

Thanks for reaching out, Scott! The Blue Ox Base Plate Kit #BLU74FR on our site is actually the same thing as the Blue Ox part number BX2418 and I like that removable pin style much more than the etrailer Classic Base Plate Kit #e98945 with the fixed…

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Answer 8

Yes, the Demco Air Force One Supplemental Braking System #DM55MV does draw from the towed vehicle battery. Installing a charge wire for the battery would be a good choice like with the part #RM-156-25 to keep the battery topped off.

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Answer 9

To determine if your motorhome has the Tiffin air brake setup or Freightliner BrakeSync you'll need to look at the rear and see if there's an quick disconnect fitting for your air line. The standard Tiffin air coupler fitting would look like…

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