So, Last year I picked up a 2006 Pilgrim Travel Trailer. I am using a Prodigy P3 brake controller and while setting it up I came across an issue. I have the voltage cranked up pretty high, but ev...
To make sure that all my brakes are working, I find a gravel road or a field and drive up to 15 mph. Then use the slider on the brake controller; All 4 trailer wheels should lock up. If one does not, I check to make sure it is receiving current by using a magnetic compass.
If it still does not lock up, i then adjust the drums. This usually restores the brakes to full operation. This past Fall, I replaced all 4 drums/brakes with new ones - the old ones had been on the trailer for 9? years.