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Thanks much for the quick reply!

You say that it shows that I have a paid license for only a 2005 Silverado. When I purchased HPTuners, I bought it for the 2004 Silverado. I since bought more...

I must be really dumb. I cannot make sense out of the credit system and how it relates to my needs.

Here's what I have
91274

91275

I want to edit the 2005 GMC Sierra file, but apparently I...