rpm indicator wire?

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09-24-2008, 05:45 PM

scott h

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rpm indicator wire?

I'm installing a Turbosmart eboost2 on my 98 Z28 (original PCM). Could one of you please assist me in determining which wire is the RPM indicator?

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09-24-2008, 05:51 PM

Caribe

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Tach signal: #10 pin-white wire from pcm

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09-24-2008, 06:50 PM

2001NBMZ28

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'98 pinouts are different - www.ls2.com/boggs/torques/98pinpcm.htm

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09-24-2008, 07:49 PM

scott h

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I don't see a RPM referenced wire. Do I take an injector control wire or ignition control wire and multiple by 8?

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09-24-2008, 10:49 PM

Dan Stewart

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Blue pcm connector, pinout #35, white wire........"Engine Speed (Tach) Output Signal"

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09-25-2008, 12:11 AM

Caribe

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Are the 98's the only ones with different pins? Learn something new every day on this site.

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09-25-2008, 12:15 AM

Dan Stewart

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yep....'98....the red-headed stepchild of the ls1 f-body family

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