Tach Wire
04-03-2005, 06:03 PM
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Join Date: Mar 2005
Location: Las Vegas
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Tach Wire Hi, I have a 98 z28 A4 and I was wondering if the white wire going into the pcm was the tach wire. Need to tap into it for my nitrous kit. Also can I tap into the IGN. wire going into the fuse box for my 12v power source. 
