How To Know If Your Tiffin Motorhome Has A Towed Air Brake Setup Or BrakeSync

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Question:

I have a 2023 Tiffin Allegro Bay 38AB on the Freightliner S2RV chassis has air brakes. I need a braking system for a 2022 Bronco Black Diamond without Adaptive Cruise Control. I have a Roadmaster Nighthawk all-terrain tow bar with the aftermarket bumper adaptor RM 035-1 to fit my Modular Bumper. Im thinking the Demco Air Force One is the best system but I see that some Tiffin Motorhomes with Freightliner Chassis come prepped for the Air Force One and that some Freightliner S2RV chassis come with Brakesync system. How can I tell what my S2RV chassis is equipped with and whether the Tiffin specific system will work? I am currently towing a 2014 Honda CRV with Stay-IN-Play Duo system our previous motorhome was a Class A gas with hydraulic brakes. Ive towed the CRV with the Stay-IN-Play with no apparent issues but concerned with the effects of the S2RV diesel engine braking affecting the TOAD brakes.

asked by: Bruce S

1

Helpful Expert Reply:

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 a standard fitting, while the BrakeSync will have it's own proprietary coupler (pictured below). If you have the BrakeSync you'll want part # DM23MV, if you have the Tiffin air brake setup you'll want part # DM55MV.

If you find you have no air coupler in place then you most likely don't have an air tank either and would need the full kit # DM26VR to have both the towed vehicle and motorhome components.

If your motorhome has an engine brake that activates the tail lights then you would have issues using the Demco Stay-IN-Play DUO Supplemental Braking System # DM86VR since it activates the brakes in the towed vehicle when the light illuminate. This could cause your towed vehicle to brake unintentionally and would require you to swap over to the AFO since it only activates when the air brakes on the motorhome do.

expert reply by: Kevin C

1

BrakeSync Air Coupler
(click to enlarge)

Answer 1

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…

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Answer 2

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 3

I do have an option for you but most factory motorhome trailer hitches have a maximum capacity of 5,000 lbs. If you have a larger vehicle that you need to tow, this will have to be replaced. I don't have a bolt-on option for you but still an…

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Answer 4

The only difference between 7-Way Utility and 7-Way RV is the color of the wires. The pin outs are the exact same so either would work just fine with the other. If you check out the picture I attached you'll see that the functions are all the…

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Answer 5

Since your 2023 Ford F-150 has the LED lights I highly recommend the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit #RM38FR which has better diodes to make it compatible with the LED lights. The Demco Kit #DM9523010-54 has some really basic…

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Answer 6

I have not come across this being an issue when using the Demco Air Force One Supplemental Braking System #SM99243 in your 2023 GMC Sierra 1500 before. So I went ahead and reached out to the manufacturer to see if they have come across this before…

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Answer 7

The Roadmaster Nighthawk tow bar part #RM-676 is a great option for a tow bar for your 2022 Jeep Wrangler 4xe but you will need to install a base plate kit on your Jeep. For that you'd want the Roadmaster Direct Connect part #RM-521453-5 and that…

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Answer 8

Actually, you need the Replacement Female Quick Disconnect for SMI Air Force One #SM99613. Installation is fairly straightforward, especially if the base is still intact enough to reuse and you only need to quick-disconnect end. If any of the rest of…

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Answer 9

They are not interchangeable but we do have a replacement jumper air hose for the SMI Air Force one with the part #SM99666 if you wanted a backup.

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Answer 10

The Blue Ox Avail Non-Binding Tow Bar #BX7420 and etrailer XHD Non-Binding Tow Bar #e67ZR are fairly similar but have a few key differences. The first difference being the weight capacity, the #e67ZR has an extra 500lbs of capacity over the #BX7420.…

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Answer 11

The correct Blue Ox base plate for your 2019 Ram 1500 Laramie Longhorn is going to be determined by which truck you have. 2019 was a split model year for the Ram 1500 where they produced two very different models. The 1500 Classic which is…

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Answer 12

When it comes to choosing between the Blue Ox Patriot #BLU37TR and the Brake Buddy Select 3 #HM39524, these systems are extremely similar in their setup and functionality. Both of these systems provide proportional braking in a compact and easy to…

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How To Know If Your Tiffin Motorhome Has A Towed Air Brake Setup Or BrakeSync

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