Lonzo, to answer your question I once used a wired sending unit and oil guage on my '82 Sporster. Just be sure to use the same make oil guage and sending unit.....Angelis

1200CC BIG BORE, W/WISECO PISTONS,.250 STROKED CRANK, PORTED/POLISHED HEADS AND LARGER VALVES, CUSTOM WELDED EXHUAST, DUAL 42MM MIKUNI CARBS.