GXPWeasel
Full Access Member
- Joined
- Nov 5, 2019
- Posts
- 587
- Reaction score
- 1,101
- Location
- Kansas
- First Name
- Greg
- Truck Year
- 1982 | 2015
- Truck Model
- Sierra C15 | Silverado Z71
- Engine Size
- 5.0 | 5.3
I'd bet it's the Ignition Control Module. Same thing you described happened to me. Now I carry a spare AC Delco one in my toolbox on the truck, with the screwdriver and heat sink grease to replace it on the side of the road if need be.