Help identify manufacturer or old tach and/or show which wires are which.

A

ASappenfield

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I have a tach that I plan on using on restoration of an old larson run about. I need to find the manufacturer of the tach or, better yet, the proper use for each of the wires (RED,BLACK,DARK GREY, LIGHT BLUE/VIOLET). See image and please share your expertise.

Alan

Tach back.jpg
Tach Front.jpg
 
Bondo

Bondo

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Re: Help identify manufacturer or old tach and/or show which wires are which.

Ayuh,... Welcome Aboard,....

The Red wire is 12v, Hot...
The Black wire is Ground...
The Grey wire is the signal wire...
'n the Blue wire, should be the light...
 
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