RepairPal Certified shops can diagnose and repair your 1999 Chevrolet C1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hello, my initial thoughts is that there is a concern with a common ground to the shift lever mechanism and the fuel sending unit.
There's so much more to know about a 23 year old vehicle that can't be guessed at in this forum. So, some hands on testing is needed to figure out what's going on.
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