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Tach shows reading when engine off??? HELP Please!

Discussion in 'Boat Electronics' started by DJB, May 29, 2006.

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  1. DJB

    DJB Guest

    Hi Group...this is realy bugging me.....Have a Chaparral w/ Volvo 7.4
    SX....WHat do I do to correct a situation in which my tachomerter shaow a
    reading even though the engine is turned off?

    Thanks for your help....Dennis in Buffalo NY
  2. basil

    basil Guest

    Some tachometers have a little switch in the back that you can set in
    several different positions. It if is set for the wrong motor it will
    not register correctly, meaning your rpms will be higher or lower than
    they really are.
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