On the tank, there should be three fittings, one is 3/8"-this is the supply, one is 5/16"- this is return, one is 1/4"-this is for emissions and is really just a vent if the charcoal canister is gone. Normally one would block it and use a vented cap.
If you don't plan on using drivers side, just remove the fuel selector, and when you remove the extra lines everything should be self explanatory, the bigger lines are the supply,
As for engine side, there should be a 3/8" inlet into the fuel filter, then a 1/4 out to injection pump-located in center of all the hardlines. The return comes off a metal line- and depending on setup should either exit over passenger valve cover or to the rear of the engine, again passenger side in the valley(should be a 5/16" hose)
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