Thanks for all the input on my problem with brake controller. I have made me a tester for system consisting of seven pin plug, 2 short lengths of wire, and one used brake magnet. With this plugged into truck it thinks it has a trailer connected. Everything about the controller, including truck display, operates as if camper was connected to truck. Have driven truck for several days with no fault code set. Today I will cut wires to one axle and pull camper and if no code set I will do next axle. Thanks again.
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