1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 268Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 268

SUMMARY ALTERNATOR CHECKS COMPONENT CO NN EC TI ON EADI NG RESUL TS Rec if ier Ei her AI tem ator erm nal to Pos it ive Term
ra Stud Reverse Leads Low High Shortea Open Shorted Stator MerCru ser 0 Yellow Lead to Yellow Lead .35 to .45 ohm MerCrui
ser 80-90 Red to Red Red to Blue Red to lue Red to Ground Red to Ground Blue to Grou nd 10 to .50 ohm 1.5 to 1.9 ohm 17 to