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Discussion Starter · #1 ·
which wire is the tech singal wire at the coil. want to hook up a pro shift light. is it the green/red strip. let me know a.s.a.p.. thanks
 

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there is no actual tach signal you can draw off of unless your shift light has a built in tach driver. If you do have a tach driver, then the wire you want to use is the green one with the orange strpe coming off the coil.

C
 

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dognutz said:
okay with that said what wire is the factory tech using i can just tap into that..

Thats been tried too. I have read a couple threads about that and I can't remember if it just didn't work at all or if the tach signal got sh*tty/incorrrect at upper RPM's
 

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Factory tach in on a multiplexed signal.
 
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