SoCal Jet Boats
Tech Talk => Engine Mechanical / Electrical => Topic started by: Rogers Hopeful on May 10, 2012, 01:56:05 PM
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I have a mag on my boat that hooks up to a mag signal converter then to the tach. I just bought a new tach (old one didnt work). it starts off at the right RPM (for about 5-10 secs) then it starts moving up in RPMs then just dances all over. Is the tach set wrong or is the mag interfering with the signal?