Tachometer resistors

[abloch]

Greetings,

So I bought an old Dixco tach this weekend and it seems the previous owner used it on a 6cyl engine because the resistor(s) have been cut.

Anyone have any idea how much resistance I need to get this working?

Thanks in advance, Andrew

 

[Meep-Meep]

These guys may know
http://www.instrumentsrus.com/dixco.htm