easiest way to replace fuel pump on 1989 Chevrolet truck is to remove the eight bolts under the bed and disconnect the wiring harness from the lights in the back also must take three bolts out of gas fill and lift bed up and sit it back fuel tank will be accessible take lock ring off and remove fuel pump.
in the fuel tank
You need to drop the fuel tank to gain access to the fuel pump.
Inadequate fuel pressure. If that 2000 S10 Blazer has a 4.3 engine, it needs 61 to 66 psi (engine off with fuel pump running) to run properly.
You will need to remove the fuel tank to gain access to the fuel pump.
Probably the fuel pump is bad.
There is no fuel pump reset button in that vehicle.
Remove the fuel tank or remove the bed, your choice.
It will fit in but you will have to swap all the electronics, wiring harness's, fuel pump and fuel lines, etc with it.
s10 or full size ?
12 volts DC.
Need to know which engine you have.
In the fuse/relay center under the hood.