New GMC 2500 Wont Engage Trailer Brakes
I have a new 2021 GMC 2500, Diesel. It will not engage trailer brakes unless the brake pedal is mashed to the floor. It is this way on any trailer it’s hooked up to. My 04 Silverado works fine on my t...
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Hey Ben, the P3 is a great unit, and I've used 4 different brake controllers, before having my current Ford IBC. All IBCs are not the same, and IMO, the Ford is top of heap.
To answer your question, my IBC manual lever is variable, from just a little, to locking the wheels. My IBC set on 5.5 of 10, will stop entire rig from towing speed, using manual lever, if I wanted, but no one wants heated trailer brakes, unnecessarily!
If you get a truck with IBC, especially a Ford, give the IBC a try Ben! Don't let old thinking hold you back! :)
Just don't ever throw away the P3!
Jerry
To answer your question, my IBC manual lever is variable, from just a little, to locking the wheels. My IBC set on 5.5 of 10, will stop entire rig from towing speed, using manual lever, if I wanted, but no one wants heated trailer brakes, unnecessarily!
If you get a truck with IBC, especially a Ford, give the IBC a try Ben! Don't let old thinking hold you back! :)
Just don't ever throw away the P3!
Jerry
