It is in the fuse panel. It is the ignition fuse that goes bad and keeps the truck from firing.
In the gas tank
I own a 1990 GMC Sierra 1500 5.7L V8. My fuel filter is located along the frame rail under the cab on the driver's side of the truck. You might look there for the filter on your 1989 Sierra. It's an inline silver colored canister.
the fuel relay is on the drivers side front fender the little black box that seze fuses and relay.
passenger side, under the hood, behind a plastic cover, next to the A/C accumulator
passenger side, under the hood, behind a plastic cover, next to the A/C accumulator
Inside the fuel tank.
In the fuel tank
tank in the fuel tank.
Fuel injected? In the fuel tank
Where is the fuel filter located on a 1990 chevrolet blazer?
The fuel filter is located near the rear of the vehicle, forward of the fuel tank.
In the fuel tank