Testing trailer brake controller....
Been working on this for days. I'm about ready to start screaming. (FYI, I am not in a good mood and any trolls looking to unload shaming or sarcasm or just generally embark on some kind of self-serv...
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I set the meter to 20V and put the black probe on the ground and the red on the blue wire behind the controller and pressed the pedal and didn't short it out but heart a whine at the ground point and got a (-) and the number fluctuated between 0 and .01.
