Where can you find a radiator cooling fan wiring diagram for a 1990 Chevy Cavalier 4-cylinder with AC?
try back of the haynes manual
Usually, you can find the routing diagram for the serpentine belt under the hood of the vehicle. Most common locations are on the shock towers, or the plastic cover on top of the radiator support, near the hood latch. If you cannot locate the diagram, your best (easiest)bet is to purchase a Haynes repair manual at the local auto parts store.
On a 1994 Ford Explorer , 4.0 liter EFI , V6 engine : Follow the top radiator hose from the radiator If it is like my 1995 the radiator hose connects to a metal pipe which is part of the engine coolant thermostat housing . The housing is bolted to the front of the engine and the engine cooling thermostat is inside the housing