My vehicle will not start after running for a while.
What is your question?
There is a little black box it sticks out in the engine bay that gets hot I think that is a problem I do not know the vehicle will not start after running for a while!
RepairPal Certified shops can diagnose and repair your 1991 GMC R2500 Suburban. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.