Review of Demco Stay-IN-Play G-Force Controller - DM78VR Video

Thanks for the pictures! You can't mount it upside down. There's a mercury switch in the G-Force Controller item #DM78VR which is what senses the deceleration and triggers the braking system. The system works off of inertia so it has…

The G-Force Controller #DM78VR for the Demco Stay-IN-Play DUO Supplemental Braking System #DM86VR is what is used to switch on and off the braking system when you are flat towing or not. It also is used to adjust the braking sensitivity to ensure…

There are some wires that are hot all of the time which is why we usually try to emphasize that the brake controller, like the Prodigy P3 #90195, needs to be connected to the cold side of the stop light switch when installing the Kit #ETBC7.…

The ground (cold side) of the brake light signal in a Sprinter can sometimes be found in the wiring above the brake pedal. A high-sensitivity LED circuit tester will be required to test this due to the weak signal strength in this wire. This is due…

It sounds like you're looking for an electric brake controller for your 2016 Mercedes-Benz Sprinter. There isn't a confirmed plug and play wiring adapter for your van. If you have a connector under the dash send me a picture of it and…

You can hard-wire in a brake controller, and it seems that there are not a lot of the Sprinter 3500 models that are pre-wired, at least from what I've seen in my research. I have not seen any reports that this isn't possible, and we even have…

Demco stated that the pulsing that you've been experiencing with the Demco Stay-IN-Play DUO Supplemental Braking System w/ Wireless Coachlink Monitor - Proportional #DM86VR when your turn signal is activated is normal and usually caused by the…

The Hopkins #48955 taillight diode kit can indeed be used to drive the running /brake lights on your Captiva like a three function lamp, without using the amber bulb for a turn signal. See the diagram I provided, and I'll also send you a copy as…

As long as the controller of your setup currently says "G-Force Controller II" the part #DM78VR would replace what you have but if it does not it would not work as the design is different.

The LED lights on the Reese trailer connector adapter #78118 will tell you if the corresponding circuit is working. The light on the far left will tell you if the running light circuit has power. There is a T next to it for Tail Lights. In the middle…

I have attached for you below the recommended procedure to flat-tow a 2019 Jeep Cherokee Trailhawk per the owner's manual. The last step states to place the ignition in the off position so that is what I must recommend. 1. Bring the vehicle to a…

The SMI Air Force One Supplemental Braking System #SM99243 referenced in your question is confirmed to fit your Suzuki Grand Vitara and is a great choice if your RV has air brakes. This is a true, proportional system, which means it will actually use…