Hello there.just gat my fist boat,1971 terry bass mercury 500 50 hp thunderbolt,it ran ok when I stater up at higth idle but die a low idle,trace the problem to the ingnitoin driver, red and blue coil wire dry rot bad can not fix wire .when taking apart the components I crack the cap broke coil wire (did not know the supose to screw in) and busted the rotor cap,can any body tell me where I can find replacement part ,been looking all over the web.