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    Tachometer Hook up

    I have a 87 Doral Grande with a 4.3L 4V, 6 cylinder and omc drive. The original alternator was replaced last year with an MES marine model. The factory tach was connected to the old alternator with two wires but there appears to be no such connection on the new alternator. This was done before I...
  2. D

    Tachometer hook up

    I have a 87doral 4.3L omc. The alternator was replaced last year with an MES marine model. The tach was was connected to the old alternator with two wires but there appears to be no connection for these on the new alternator. This was done before I purchased the boat so I do not know much more...
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