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looking to install a shift light on my '93 civic SI, but don't know where the 3rd (green wires runs too? obviously the black is ground and red is 12 volt power but where does the green go, ignition i'm assuming but which one, anyone have any insight, please e-mail or pm me civiclfe4me@hotmail.com

 
Rep Power: 803

yes.. ignition.. but what do mean.. which one?

 
Rep Power: 777

blue wire, your car has a service tach output, need a diagram to show you exactly, or take signal right off dizzy, splice into blue wire.

 
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found blue wire under hood above drive side shock tower, blue wire plugged into nothing, spliced into it ran the power ran the ground set light to 3 grand reved er up, nothing, tried dizzy too, nothin so i'm pretty sure there's something wrong with the light then, any other input anyone? crazy ideas? let me know thanks

 
Rep Power: 779

Greegn Wire goes to your TACH source, remember to set your light for 4cyl application, if you cannot find you TACH signal PM me, i'll send you a diagram on where to find it

 
Rep Power: 0

What shift lite is it, autometer? Proform?