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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

2009 Suburban Service Trailer Brake System

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Old March 22nd, 2018, 3:31 PM
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Default 2009 Suburban Service Trailer Brake System
Service Trailer Brake System. I purchased the brake relay system but where does the piece go? On youtube it shows the Silverado and the piece is located underneath the spare tire but its not there on the Suburban. Please Help!!!!!
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Old March 22nd, 2018, 9:15 PM
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pics please
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Old March 22nd, 2018, 9:26 PM
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Old March 23rd, 2018, 10:24 PM
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2500 series trucks...its on the outside of the right frame rail near one of the cab mounts
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Old June 16th, 2018, 3:55 PM
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HI there I have the same issue on my Suburban and I can't find the relay. It's a 1500 same year (2009)
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Old May 26th, 2021, 8:56 PM
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Originally Posted by tech2
2500 series trucks...its on the outside of the right frame rail near one of the cab mounts
Is it on the passenger side or the driver side toward the rear or more toward the front? Still having a hard time locating this any help would be appreciated
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Old May 27th, 2021, 7:55 AM
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My situation also relate to electric trailer brakes:
Originally Posted by Cusser
New-to-us 2011 GMC Yukon XL Denali, just purchased Friday. Turns out that this does NOT have the integrated brake controller system, D'oh !!! Even though it has a Class 3 tow hitch and 7-pin connector all installed, need a brake controller for the horse trailer.

So even though I have installed these in the past, I'm having a trailer place install one in this pristine 73K vehicle.
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