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LOF window codes
Looking for an answer that I can’t seem to find anywhere. My window codes are not matching but both combinations end in the number 7. Most GM passenger cars only have two letters which designate the month and year the window was made, which is also about 2-3 months before the build was completed. As I mentioned, my truck has two letters and the number 7. Does anybody have any idea what the number means? Is it a GM plant number? Something else?
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