LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Can I tap into a tach wire from inside the car?

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Old 02-12-2010, 08:45 AM
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Default Can I tap into a tach wire from inside the car?

Trying to install a remote start on my car and I need to tap into a tach wire in my 95 Firebird. Are there any wires inside that I can tap into or do I have to go to the PCM wire?
Old 02-12-2010, 09:55 AM
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I tapped into the Tach Wire for my Shift Light..it's the wire that comes from the PCM and goes to the Gauge..no problems here.
Old 02-12-2010, 10:10 AM
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I guess I should rephrase the question. Is there any way to tap into the tach wire without having to run a wire outside the firewall to the PCM. If so what is the wire and where can I find it?
Old 02-12-2010, 11:00 AM
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C230, cavity D, white wire (same wire that Merv used).

Old 02-12-2010, 11:11 AM
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^^There ya go..I was about to post the same thing..lol

Just splice into it there and run the wire where you need it.
Old 02-12-2010, 11:13 AM
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Thanks shbox and merv!
Old 02-12-2010, 11:29 AM
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No prob..

That pic helped me out too..I didn't know what went in that Bracket, it's empty on my car.



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