Wiring A Breakaway Switch For Trailer Brakes

By | December 4, 2021



When it comes to keeping your trailer safe on the roads, one of the most important safety features is a breakaway switch for trailer brakes. This device is designed to engage the trailer brakes in the event that the trailer becomes detached from the tow vehicle, helping to protect both the trailer and other drivers. In order to ensure that the breakaway switch is working properly, it is important to wire it correctly.

The wiring process begins by connecting the red positive battery cable to the positive post on the breakaway switch. Next, the black negative wire needs to be connected to the negative post on the switch. The last wire to be connected is the green ground wire, which should be attached to the trailer frame. Once the wires are connected to the switch, they need to be secured with electrical tape or self-tapping screws.

The next step in wiring a breakaway switch for trailer brakes involves connecting the wires to the trailer's brake system. The red positive wire should be connected to the positive post on the electric brakes, while the black negative wire should be connected to the negative post. The green ground wire should be connected to the trailer frame, or a dedicated ground screw. Finally, the switch needs to be connected to the tow vehicle. This is typically accomplished using a wire lead connected to the tow vehicle's brake light circuit.

Properly wiring a breakaway switch for trailer brakes is essential if you want to keep your trailer safe on the roads. While the process may seem intimidating at first, it is actually quite simple. As long as you follow the steps outlined above, you should have no trouble getting your breakaway switch wired properly. With the right tools and a little bit of patience, you can ensure that your trailer is safe and secure.


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