Where can I find tachometer wire?
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Honda-Tech Member
Joined: Nov 2007
Posts: 3
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From: Gainesville, VA, United States
I'm tryna install a shift light in a 2010 Honda Civic Si. Does anyone know if it has a wire from the ecu that has the signal? Thanks in advance for any answers/advice/help!
You say tomato.... 
The thing blinks around 7,500, goes solid around 8k. Just shift when you see the bloody thing turn on.
If not you're going to have to tap into the Crank sensor wire, and have a light that can read off a crank sensor signal at 12v.

The thing blinks around 7,500, goes solid around 8k. Just shift when you see the bloody thing turn on.
If not you're going to have to tap into the Crank sensor wire, and have a light that can read off a crank sensor signal at 12v.
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