I saw a thread a few weeks back about some trucks ITBC not compatible. Just picked up our new Montana 3791 with disk brakes. I have a 2011 GMC 2500. ITBC worked on our old magnet brakes but not the new disk brakes. I really hate the idea of having to put an aftermarket unit hanging down under the in dash controller. Anyone else with an incompatible brake system? Or am I just missing something.
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