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Original Message
Hook-up of existin MSD tach adaptor
By Martin - 12/23/2002 3:22:02 PM; IP 66.135.226.87
Since you mentioned already having a tach adaptor it may be wired-in wrong. The MSD PN 8920 tach adaptor can be wired to work either as voltage or current triggered.

I checked my setup and with the red wire from the PN 8920 connected to the wire supplying ignition-on signal to the MSD Box and the purple wire from the PN 8920 curled up and tugged away my tach works fine.

This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=15803&Reply=15803><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15803" onclick="return false;">original tach hookup to MSD ignition</a>&nbsp;-- <font color=#0000ff>cody edwards, <i>12/20/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=15803', contentMargin: 60, icon: $('anchor15803') }); </script>  original tach hookup to MSD ignition -- cody edwards, 12/20/2002
 I believe they offer helpful diagrams on their 'site... -- Mr F, 12/21/2002
Collapse <a href=../ForumFE/reply.aspx?ID=15808&Reply=15803><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor15808" onclick="return false;">You need a tach adapter kit from MSD...</a>&nbsp;-- <font color=#0000ff>Royce Peterson, <i>12/21/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=15808', contentMargin: 60, icon: $('anchor15808') }); </script>  You need a tach adapter kit from MSD... -- Royce Peterson, 12/21/2002
Hook-up of existin MSD tach adaptor -- Martin, 12/23/2002
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