Tach signal for shift light

Scott Long

Registered User
I have a Proform shift light and I mounted it on the steering column near the hazard flasher switch. I have a bunch of wires coming out of it, but 3 main ones. A red, black, and green. I assume green is the signal wire. What can I tap into for a tach signal? DIS? Cam sensor??
 
For whatever reason there is a tach signal going to the fluid levels monitor on the dash. I can't remember the color, but I'll try to find it fo you.
 
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