They are used on a lot of systems. Fuel pump relay, horn relay, power window relay. Pretty much anything that uses a lot of electricity uses a relay.
Fuel pump relay, horn relay, daytime running lights relay and if there is a fourth relay it would be for the power door locks.
blown fuses, dirty switches, bad relay, broken poer lead to switches.
There is one for the AC compressor clutch and one for the blower motor high speed.
Chevy doesn't use inertia switches.
The fuel pump relay is located in the fuse/relay center under the hood.
There is no fuel pump relay on a 85 s10 because it is carberated.
Fuel pump relay, horn relay, fog lamp relay and if there is a fourth relay, power door locks.
The fuel pump relay in that 2000 S-10 should be under the hood, in the power distribution box.
Locks up the torque converter.
Left to right, fuel pump relay, horn relay and fog lamp relay (if equipped).
I had a similar problem in a Pontiac Sunfire. The guy at the dealership said it's a common problem with the switches they use for fan control in Chevy/Pontiac vehicles. It's about a $10 part.
cruise control, even if yours does not have that option, they are put on everyone that leaves the factory.