Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban

Platform: GMT 400, 800, 900

OBD reader problem

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Dec 5, 2017 | 3:04 PM

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Andy A

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OBD reader problem

2l001 Chevy Suburban 1500. 5.3L.
I've tried to OBD readers and both show nothing at all, mechanic said I have not power going to OBD test port, is this correct that power is provided by the test port. looking for wiring diagram, any help is appreciated
thanks, Andy

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