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Help with a 2009 2500HD w/ ITBC

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Old 12-16-2008, 06:14 PM
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Default Help with a 2009 2500HD w/ ITBC

Does anyone have any experience w/ Chevrolets (ITBC) Intergrated Trailer Brake Controller? I'm towing a Skater Trailer w/ Carlisle Electric over Hydraulic brakes. The signals, flashers, brake & running lights all work but absolutely no power to the brakes.

According to the owners manual the factory installed option is 100% ready to use, nothing to hook up under the dash or hood like you would w/ an aftermarket controller.
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Old 12-16-2008, 07:19 PM
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unless gm changed something ,the factory controler cant work elec over hyd brakes with out modifying the trailer to ''ping'' so the truck knows
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Old 12-16-2008, 08:22 PM
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The manual says it only works w/ Elec brakes, what I don't understand is how it knows whether it's full electric or electric over hyd as they are both elec initially.

Then again I'm no electrician!
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Old 12-16-2008, 11:10 PM
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Micheal, I had to rig an additional controller for my DCB/Extreme trailer to run the EOH brakes,,,Tom
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Old 12-17-2008, 05:56 AM
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Originally Posted by Bottomfeeder View Post
Micheal, I had to rig an additional controller for my DCB/Extreme trailer to run the EOH brakes,,,Tom
And thats certainly an option, GM says disconnect factory unit & wire up the aftermarket. I'll be disappointed if thats the case.
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Old 12-18-2008, 07:26 AM
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You will have to do that. There is a GM bulletin that tells you how to wire it. if you need the bulletin, I will email it to you.

Charlie
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Old 12-18-2008, 07:31 AM
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Originally Posted by Tow-N-One View Post
You will have to do that. There is a GM bulletin that tells you how to wire it. if you need the bulletin, I will email it to you.

Charlie
Charlie,

Please do. I have the bulletin on how to wire to a GM vehicle WITHOUT the ITBC but not one for vehicles with.

Thanks

Michael

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Old 12-18-2008, 01:31 PM
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Coming to you. If you need any other info just let me know.


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Old 12-18-2008, 02:23 PM
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I got it, Thank you! Disappointed I have to install my aftermarket unit. Good thing this is a company truck or I'd be PO'd.
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