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Old 04-09-2015, 11:44 AM   #1
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GM Integrated Brake Controller ITBC

Looking at the owner's manual for my new GMC truck with the integrated brake controller it indicates the following for the controller setup:
"1. Drive the vehicle with trailer attached on a level road surface...and fully apply the Manual Trailer Brake Apply Lever.
2.Adjust the trailer gain, using the trailer gain adjustment buttons, to just below the point of wheel lock-up, indicated by trailer wheel squeal or tire smoke when a trailer wheel locks."
It seems a little drastic to smoke the trailer tires to find the optimum gain setting. Anybody else use this method? Anybody suggest another method that has worked for them?
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Old 04-09-2015, 12:33 PM   #2
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Agreed.....that seems a little extreme. I just went with a feel method, and 5.5 on the gain works for me. (I do have the GM ITBC)
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Old 04-09-2015, 03:20 PM   #3
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Quote:
Originally Posted by CDavid View Post
Agreed.....that seems a little extreme. I just went with a feel method, and 5.5 on the gain works for me. (I do have the GM ITBC)
I am also at 5.5-6.0 on my controller.
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Old 04-10-2015, 09:44 AM   #4
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I run mine on 4. Check it when pulling out from parking it and just squeeze it to stop the trailer. Don't lock up the brakes and then back off, just make sure that it will slow us down as we are driving around. I might have to move it up to a 5 just to see if it is better, but so far no problems.
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Old 04-10-2015, 10:17 AM   #5
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Open road 4, heavy traffic 5. Hope I never need to use the lockup feature on my GMC .
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Old 04-12-2015, 10:09 AM   #6
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Thanks for the input, guys. KYCAMPER, I agree that the recommendation in the manual seems extreme. We just upgraded our TV to a 2015 GMC Duramax with the integrated brake controller so I'll start out at 5 and go from there.

Ken
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