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Tach Wire pin #?

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Old Apr 20, 2007 | 06:28 PM
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Default Tach Wire pin #?

on a 98 Z28 what pin # on the ecu is for the tach signal. and what color is it
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Old Apr 20, 2007 | 08:55 PM
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it is white and I'm 99% sure its the #10 pin
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Old Apr 20, 2007 | 10:38 PM
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On a 98 I'm pretty sure it a WHITE wire coming out of PIN #35. 99-02s have the WHITE wire coming out of PIN #10.
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Old Apr 20, 2007 | 10:45 PM
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Yep, found it in a Sticky. White wire PIN #35.

https://ls1tech.com/forums/showpost....7&postcount=54
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Old Apr 21, 2007 | 12:03 PM
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Pin # 34 on mine is white and does not work
pin # 35 on mine is a lime green and dosent work either
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Old Apr 21, 2007 | 03:05 PM
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Where are you tapping into the wire, in the engine compartment at the computer, or under the dash?
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Old Apr 21, 2007 | 04:45 PM
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Originally Posted by 1984camaroz28
Pin # 34 on mine is white and does not work
pin # 35 on mine is a lime green and dosent work either
Are you sure you're looking at the BLUE connector at the PCM and not the RED?
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Old Apr 21, 2007 | 05:10 PM
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yep that was it.... thank you
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