Hi all, had to replace my fuel injectors on my 1986 2.9l because of a contaminated fuel tank, rust problem. My issue is now that it's almost back together, I can't remember how the fuel lines hooked up!! LOL I have the 2 fuel lines, supply and return. Does the supply line hook up to the pressure regulator or the nipple off of the fuel rail? (**FYI** I do know for sure which fuel line is the supply, when I urn the key on I can here the pump turn on and gas starts flowing out of it.) Thanks for your help.