the fuel tank pic is wrong. that pic is of d150 pickup. r/c has rear mounted tank. also fuel pump sending unit and fuel gauge sender is screwed together. tank reading part all does thru top of electrical connection. new fpm does not exist unless you find and nos and u will pay dearly for it. oem pat number is 52004636 from mopar parts giant web site. stock pump can be regulated down with holley blue reg to 4-7 psi. oem efi pump is 14 psi for tbi. i think fabo has a schematic of the 90 alt showing hooking up an old style reg. patc kit is easy but u can find those switches cheaper on internet. good luck.