there should be other relays in the vehical that are identicle, try swithing them.
Chevy trucks DO NOT hve a switch like that. You either have a bad fuel pump FUSE,Relay are a pump.
fuel pump relay location
There is none.
It is in the fuel tank.
Inside frame on drivers side
Inside the fuel tank.
Consult your owner's manual.
No, it does not.
It is in the tank.
Under the hood, drivers side, in the fuse/relay center.
Fuel pressure test. Of course if it is not running, fuse and relay are good then it is bad.
In 2000 they weren't using one yet There is a variable fuel pressure regulator.