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Originally Posted by crbr
A trailer brake controller integrates the towing vehicle's hydraulic brakes with the trailer's electric brakes. It also gives the driver manual control of the trailer's brakes.
Right now GM is having issues with this option as described here ==> Integrated Brake Controller - GM-Trucks.com
Personally I'd opt for an aftermarket integrated controller such as the BrakeSmart |
There is a fix for it now. It appears to be a lack of adaquate grounding somewhere between the 7 pin connector on the truck and where the ground connects at the trailer. It is kind of funny to me since I had the same problem with an aftermarket controller.
Kurt