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Re: OBDII Automotive vs Heavy Duty
Posted to Technical Theory Forum on 2/28/2021

T [GMC ALDL w CAT] These two links gave me a good bit of info [...] [[...]] and this

one [...] [[...]] Very interesting info.

Maybe to much for Sunday night. Plus I did find the attachment. This has to be from back in the 90's. GMC with a 3116 CAT.

It ap... Login to read more.

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