Roadmaster Brake-Lite Relay Kit Installation - 2013 Honda CR-V Video

Yes the Roadmaster InvisiBrake Supplemental Braking System Item #RM-8700 will connect directly to your towed vehicle's battery and charge it while driving unlike most braking systems that would actually drain your battery. Some notes to…

It comes down to the serial number on how to pick between the 9420 part #RM-9420 and the 9425 part #RM77FR. If the serial number is below 27,496 then you go with the 9420 or if it's above that number you go with #RM77FR.

The Blue Ox Patriot Portable Braking System - Proportional #BLU37TR needs power for proper function, so it does require a direct connection to your battery which isn't an issue on your 2015 Ford Flex. Some vehicle require a separate…

The Blue Ox Patriot #BLU37TR is the same thing as the BRK2022 and is the newest version of Blue Ox's Patriot Supplemental Braking System. This version is slightly smaller and weighs less than the BRK2019 model and will eventually have an app…

The Blue Ox Patriot #BLU37TR has a 2 amp max draw on your 12v power. It keeps the internal battery charged so you have function if the main battery fails. For your vehicle battery to fail, there must be another draw on your battery. My recommendation…

The running light circuit on your trailer connector, typically a brown wire as you note, is not suitable for charging a breakaway battery. A dedicated 12V auxiliary power feed to your trailer is suitable for maintaining a breakaway battery (but not…

It sounds like you may have a 7-way trailer connector and a 4-way trailer connector on your truck and only a 4-way connector on your trailer. Is that correct? See the attached picture for examples of each. If this is the case, then this change will…

The only pin that should be continuously showing 12V power on the 7-Way connector on your vehicle is the 12V power circuit which is normally the black wire but not always. In 7-way wiring the 12V auxiliary power feed is carried on the contact at the…

It sounds like you need a Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Wire Hybrid Cord item #RM-152-1676-7 for your 2018 Jeep JL Wrangler Unlimited. This complete kit includes everything you need to connect your RV's…

The fifth wire that allows you to back up a boat trailer is the reverse function. Sending signal from the reverse function will allow the solenoid to disengage the surge brake function electrically. The reverse function is found in the center of the…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…