Am i correct in needing the 12212156 as i have read this is a good version to use for my OS9379910? Than clone it back to my 99 ecu.
This i will be first time using the tuner pro, I have found some Bin files on here for a 2002 5.3 4l60e 12212156 but they never say if 2x4 or 4x4 and still trying to navigate this website to find a XDF file to match?Any tips would so greatly appreciated.
Thanks
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