Review of Demco Demco Brake Booster Vacuum Tee Fitting - DM6257 Video

I spoke with Demco and their technician stated the easiest way to install your Demco Air Force One Supplemental Braking System w/ Wireless Coachlink - Air Brakes - Proportional Item #DM26VR is to cut the 90 degree angle fitting attached to your…

The flat towing parts you requested for your 2023 Ford Bronco Badlands with a modular bumper are listed below the prices are on the right hand side of the product pages: Tow Bar and Safety Chains - Roadmaster Nighthawk All Terrain item #RM-676 Base…

Yes, you will still need to install the check valves with the Demco Air Force One Supplemental Braking System #SM99243 or #DM26VR, even if you use the Demco Vacuum Connection Tee Fitting #DM6257. It will still require you to install the check…

Demco does have it listed that in Ford 2015+ vehicles that it's best to install the vacuum connection directly to the sensor port of the brake booster using part #DM6257. Most likely the issue you're facing is just caused by your…

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

Since you have a hard vacuum line on your 21' Ford Expedition you'd want the Demco Vacuum Connection Tee Fitting #DM6257 when installing the Demco Air Force One #SM99209.

The OEM brake switch on your 2022 Jeep Wrangler is not usable for this purpose. You will need to use a brake light switch #RM-751490. This will send the proper signal to the supplemental braking system. I have linked our review and install video…

I have another option for you but the Replacement Fabric for Roadmaster Tow Defender Screen for Blue Ox Tow Bars #RM-4750-10 you were looking at is only a confirmed replacement for the Roadmaster Tow Defender Protective Screening #RM-4750 and is not…

The diode that you want for your charging line from your Motorhome to your towed vehicle (Toad) is the Roadmaster Single Park Light Diode #RM-690. This diode will allow up to 85 amps at 12V and will only allow power to flow in one direction to…

If all you want is to prevent the 12 volt power supply of your trailer battery wiring from backfeeding onto your vehicle wiring or vice versa what you need is a one-way diode like part #RM-690. This only allows current to flow in one direction so…

I'd be happy to help! The Demco Air Force One Supplemental Braking System #DM26VR uses a 10 Amp ATC fuse according to their parts list. This is just a standard fuse that you can find locally or in our Standard Fuse Kit #PT52FR.

You do not need an additional check valve to use the Demco Vacuum Connection Tee Fitting #DM6257. However, you will still need to use the check valves that came with your #SM99243 for installation.