Hello,
Well, the tach project is finished. Now I'd like to test it on the car
before installation.
The easy part is 12 Volts and Gnd.
What can I hook the third "signal" terminal to?
And finally, when I pull out the old tach, how do I hook up the new one.
Yes, I know 12V and Gnd. I'm concerned and confused about the third terminal.
Can anyone help?
Jim Armstrong
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