Review of Roadmaster Tow Bar Wiring Diode - RM-790 Video

Your black drawing would be how wire up the #RM-790 so that both batteries would be on the same circuit but with feedback prevented on the circuits back to the batteries or having them tied together. Basically you would use a diode on each battery…

A diode is designed to stop the reverse flow of current in an electrical circuit. Therefore yes, a diode will prevent backfeed to your vehicle from the trailer's battery. The part you referenced part #RM-790 has a dual in, single out…

Yes, you will want to use a single function diode, like part #RM-690. You will need to wire it in between the breakaway battery and the trailer battery to stop the backfeeding from the battery to the breakaway system.

The correct way to wire up the breaker that comes with the Roadmaster charge line kit part #RM-156-25 is to have the copper post ran to the positive post of the battery that is charging the other vehicle and the silver side to the battery that is…

I found an online version of the owners manual for your 2017 Ford Explorer and pulled out the parts that talk about the flat towing procedures: If you tow your vehicle with all four wheels on the ground: Tow only in the forward direction. Release…

The marker lights on your trailer will connect to the tail light wire on your 4-way. This is the case for both sides and as many marker lights as you have. In the case of the #16-4B-1 Deka Bonded 4 Wire, you will be connecting the marker lights to…

You'll want to review the installation of the actuator read switch for the LED monitor, as incorrectly installing it can cause it to ground out, in which case it'll stay illuminated all the time. The procedure is described in step 7,…

For a single diode to prevent current backfeed the part #RM-790 would be a great option.

The Roadmaster Invsibrake part #RM-8700 is designed to activate the towed vehicle brakes when the motorhome sends a signal back to the operating unit to brake. Once the towed vehicle is disconnected from the motorhome, the Invsibrake shuts off and…

It is possible to convert your 13-pin connector to a 7-way. You will need the Curt 2 to 3 Wire Tail Light Converter #C56196 to combine the separate brake and tail lights you have now. You will also need the #H20042 you looked at which is 3'…

While unlikely, it is certainly possible that the trailer battery could backfeed to your vehicle's battery when hooked up under the scenario you described. To make sure this doesn't happen all you need to do is add a single diode like…

What you need is a T-Fitting and auxiliary hose like what comes in the Kit #103538-MBS, but your propane setup is a bit different than a normal RV so you'll need to get creative in how you're able to connect the T-Fitting. One end is…