<VV> Erratic Tach with Crane/Allison Ignition

[Mikeamauro at aol.com]

"...Hi Mike,

I have the Crane XR700 ignition  on our Greenbrier but not the Safeguard
unit.  Never a problem with the  tach up until about a month ago.  It is a
Spyder tach and I suspect that  it is just old components causing the
problem..."
 
Thanks Dan... I believe I should temporarily patch in another  known good 
tach to see if the problem goes away with another tach.
Mike
 
 





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