With a signal from the ecm it powers up the fuel pump.
There is a fuse and a relay.
No, it would not start.
Yes.
The fuel pump relay would be located in the power distribution box under the hood.
Assuming that has the 4.3 engine, the fuel pump relay should be under the hood, on the firewall, drivers side.
It is in the fuel tank. Make sure the relay is good.
Where is the location of fuel pump relay on 1996 Chevy Blazer?
The 1998 Chevrolet blazer fuel pump relay switch can be found on the frame of the vehicle. The switch will be next to the fuel tank.
Either in the glove box, under the glove box or on the passenger side of the firewall (the first relay on the left if facing the engine).
Located at front driverside fender inside the engine bay
The fuel pump relay on that 92 Blazer with the 4.3 engine is located under the hood, on the firewall, drivers side, if there is more than one relay there, it's the one closest to the drivers fender.
One of them is the fuel pump relay.