Brakes, dilemma.
I just had to have all new brakes put on my trailer at about 13K miles. 3 of the 4 were metal to metal. Usually run the controller 5/6. Has anyone heard of a brake test using a compass? It says with t...
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ALL the Breakaway switch does when activated is put FULL 12 volts to the Trailer brakes. AS long as you have a GOOD Trailer battery. An easy test is to simply connect the Trailer to your Truck. PULL the Break away lanyard loose and then attempt to drive forward(NO truck brakes at all). Have someone WATCH all 4 wheels and tires ALL should be locked up and drag. It is best to do this on dirt or gravel lot. Concrete will not be a real problem for this test, but it is easier to drag on Dirt or Gravel. This will tell you that the Shoes and magnets are in working order. If you have a Wheel not locking up you then test the 2 wires going to that Brake and see if you have Ground and 12 volts. If NOT, then find where the open circuit is by the axles. If you DO have 12 volts then the Brake shoes are probably not adjusted correctly. Doug
