From the video author: In this video I show you a simple and easy way to test your cooling fans on your 1984-1995 C4 Corvette (OBD1 cars). 1996 and up corvettes are OBD2, which cannot use the paper clip trick.
From the video author: I did a basic coolant flush by disconnecting the lower radiator hose, rinsing out the reservoir, and overflow tank. I also put in a 160 degree thermostat, bypassed a leaking heater core and the throttle body.
How to replace the Radiator on a C3 Corvette Stingray Chevy 350
How to Remove and Replace a Radiator - Corvette C4
How to Install a Flex-a-lite Aluminum Radiator and Electric Fan in a 1968 - 1982 Corvette
1980 CORVETTE RADIATOR CORE SUPPORT CHANGE