Your best bet would be to get a chilton or haynes manual for your Bll. They are less than $20 at a part store. They cover just about everything about your vehicle.
If you follow the fuel line from the fuel tank to the engine, you will find the fuel filter.
In a chiltons auto repair manual. You can get at your local library
A person can visit a Ford dealership and ask for a 1989 Ford Bronco fuel diagram. Many times the Ford dealers will have mechanics on hand and they can give a customer a copy.
To find a fuel line diagram for a Craftsman 32cc line trimmer, you can refer to the owner's manual that came with the trimmer, as it typically includes detailed diagrams and parts lists. Alternatively, you can visit the Craftsman website or contact their customer service for specific diagrams. Online forums and repair websites may also provide helpful visuals and instructions for fuel line routing. Always ensure you have the correct model number when seeking diagrams.
On the fuel rail. The tank return line connects to it.
get a Hayne s repair manual they have the best diagrams
the only wiring diagram i have found on line for free so far is at autozone.com
Fuel injected? In the fuel tank Carb.? At the front lower section of the engine - follow fuel line
2.8L: It is where the fuel line goes into the carb. 2.9L: It is on the driver's side frame rail.
If it is Fuel injected the pump is in the fuel tank. If it is Carburetor the front lower section of the engine passenger side - follow fuel line
check eBay for a86 Nissan truck service manual.
You can find heater vacuum line diagrams for your Chevy van in most Chevrolet service manuals. The service manuals can be found at your local library.