RepairPal Certified shops can diagnose and repair your 2007 Chevrolet Express 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
It most likely has something to do with whats on that circuit. If you don't have experience with working on the cars electrical system here is a link to find a good shop near you that can diagnose the issue.
https://repairpal.com/repair-shops
Alex