systems check tach compatibility

[cdoliver]

Is there a way of making a systems check tach work on a non systems check tach system? I don't have the plug for the back. Anyone have a wiring diagram for the plug? I'm not interested in making the check lights work, just the tach.Thanks

 

[ezeke]

Re: systems check tach compatibility

PINS 1, 2 and 3 will run the tachometer.

 

[cdoliver]

Re: systems check tach compatibility

Thanks Ezeke,Exactlywhat I needed. Do you know if pins 1,2,3,4 are across the top row if looking at the back of the tach (with the gauge in the correct mounting position)?