Recommended Brake Controller For A 2019 Mercedes-Benz GLE  

While there isn't a specific wiring harness to plug into a brake controller plug on your 2015 Mercedes ML350 the vehicle may have the Mercedes one stored somewhere or it could be available at a Mercedes dealer. Then you could wire in a brake…

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…

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…

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

The trailer brakes work on a separate circuit than the lights. You have a couple of options to control the electric brakes on the trailer. One option is to use an air over electric brake control, #HA100400C. This unit connects to the air brakes on…

You do have the option to utilize the air brakes on your 2023 Freightliner Cascadia to control electric trailer brakes using the Hayes Air Actuated Trailer Brake Controller, part #HA100400C. However, we mostly recommend just using an electric brake…

The P3 brake controller, #90195, will go into a sort of sleep mode after it detects no movement for 15 minutes. While it is on it does not draw very much power. What you can do to make sure it goes to sleep is exit the truck after turning it off,…

Hey HPA, I would go with the Air Lift kit part #AL64VJ that fits your 2019 Toyota RAV4 based on what you described and your needs. This gives you adjustable support that you can tailor as needed so that you get the exact amount of support you need…

The Prodigy P3 trailer brake controller uses a 4-wire hookup. The white wire is to be grounded to the battery negative terminal; the black power wire connects to the battery hot terminal through a circuit breaker; the red wire takes in the brake…

You are correct, you should only be getting output when the brake is applied, or the override switch is activated. It sounds like the controller might be bad, but to make sure, you should probably bench test it before tossing it. Use a circuit…

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

It's very easy to install a trailer brake controller on a 2021 Honda Ridgeline. I recommend the Tekonsha Prodigy P3 Trailer Brake Controller part #90195 which comes with a harness that you could simply attach to the one that came with the…