Scan for codes and check all fuses under hood. Check connections on coils as well. Start there.
Thursday, June 8th, 2017 AT 12:18 PM
I checked all fuses all good all good one of my starter relay has only power on one side here is one for you if you use dexcool in your chevy get it out it out it will eat you gaskets trust me [BENJAMIN ]
Monday, June 12th, 2017 AT 2:37 PM
Then it's a fuse box problem if no power check your larger fuses under hood and what you say about dex cool is not true