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i have a 07 vortec maxx i gather that it takes two Credits to program it
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so out of the box you start off whit 8 Credits i think
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so after programing my truck i will have 6 Credits left right.
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and i can program 3 more car/trucks if they take two.
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if i buy 4 more Credits + the ones out of the box i will have 12 total right.
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so can i buy the year/model this mean i can tune unlimited 07 Silverado's
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are am i not understanding this?
Sounds like you understand it perfectly.
:cheers: