tach wiring

A

Anonymous

Guest
i got a used tach it has a green black red and white wire. where do they go?? thanks in advance
 

chevycopcar

Pro Stocker
Jul 19, 2004
1,494
0
0
S. Holland, IL
Man, I think this is about the tenth time I've answered this. :lol:

Green - Tach Signal. For HEI, there's a terminal labeled TACH. For other applications, it's just the negative side of the coil.

Black - Ground

Red - Switched 12v source.

White - Dash lighting.
 

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