Just picked up 1973 merc 500 thunderbolt. After replacing fuel lines i was able to get it running. Then after realizing no water from tell tale i went ahead and replaced the impeller. This helped get a little water to the tell tale but now seeing water getting into the cylinders. Can anyone give...
Need a little help with a sierra tach p/n 61546p.i bought this tach from a marine shop and cant seem to get it to work. I have it set to 6P, the gray wire has 12 volt on it with key on and i dont have a manual for motor yet. Can anyone help with verifying wires from pickup/send?