i have this 1963 evinrude that i fired off today and man talk about a sweet sounding engine, but unfortunatly my wiring harness is tore up to badly to fix so i will need to change it over to the car selenoid sysytem can anyone tell me where to look for the best kind to use or a how to? also it has the electric shift and im wondering what it would take to change it over to a manual shift ?