Troubleshooting Manual Override that Won't Work to Lock Up Trailer Brakes
I replaced my old controller with the Tekonsha p 3 controller and I have a 2001 GMC Sierra 2500 hd. I have only tried it on my empty 18 foot car hauler but no matter what adjustments I make I cannot get the brakes to lock up to adjust them!...
Camper with Weak Marker/Running Lights on Right Side
Towing vehicle: 1998 Isuzu Rodeo, with 7-pole harness. Camper: 1979 Starcraft Starflite 6 with no brakes. As far as I can tell, all of the connections and grounds are good. I even replaced the electrical connectors and fuses on the camper frame....
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