Forum Discussion
is_it_friday_ye
Mar 04, 2016Explorer
Just today, I was checking out my brakes on the trailer to make sure everything is good for our trip this month. No brakes but I have brake lights. Hmmmmm. Checked the fuses, all good. Checked the connection under my truck to the 7 way. Checked fuses, this time with a multi-meter, still good. Checked my new P3 brake controller. It had diagnostics and it showed no voltage when the brake was applied. Turned the gain up and they worked. Sob, I could have saved myself about an hour. At least it was nice outside.
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