Identifying a Trailer Breakaway Switch with ESCO Printed on the Switch  

As with any other item on a trailer, such as tires, wheels, winches or jacks, when selecting safety chains you want to ensure a good safety margin, in other words, you want to use an item that has a good bit more capacity than you will actually…

Yes. The way that a breakaway switch such as #HM20010 works is that the pin inside holds two pieces of metal apart. Once pulled out it allows the 2 pieces of metal to touch completing the circuit between the breakaway battery and the trailer…

If you are wanting an option made in the USA I recommend the Mighty Cord Replacement Hardwire RV Plug - Male End - 50 Amp #A10-P50VP.

You likely can use any replacement switch since all they do is complete a circuit when the pin is pulled out. One wire on the switch should be connected to the positive battery terminal on the trailer. The other will tee into the wiring leading from…

There is a way to bypass the breakaway system of your trailer but I would only recommend you do so to get your trailer to a dealer so that it can be fixed. If you were to get pulled over and the breakaway system was to be tested you would get in…

You will likely have several different grounds on any given trailer. The breakaway battery can ground by itself to the frame and to the trailer connector's ground if you want. But at the very least ground the battery to the frame. The brake…

If the pin on the breakaway switch is pulled or broken then yes you should have 12 volts entering and exiting the switch as this is what will engage the brakes on the trailer. The breakaway switch on your trailer is a normally open circuit which…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

You can convert surge brakes to an electric over hydraulic braking system. To do this, you will need an electric over hydraulic actuator and a brake controller. For an electric over hydraulic actuator, I recommend looking at the Carlisle HydraStar…

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…