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.
Driver side inside of frame rail just under front door
4l60 non electric
It is up inside of the driverside frame rail back by the transmission cross member.
The ignition module on a 1989 5.7 liter is located in the distributor. Remove the cap, then the rotor, and you will be looking at the module. The module is held in place with two screws. Real simple. Good luck, David
I do not know this is an awful hard question ask somebody else
the fuel filter is located on the firewall
Under the vehicle, behind the driver.
Fuel injected? In the fuel tank
The fuel filter is located under the hood on the back firewall, passenger side.
its located on the firewall in the middle at the top
The fuel filter is on a front corner of the fuel tank.
It is up in the driverside frame rail back by the transmission cross member.