installing a tach in my S10

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s10__fan

09-10-2002, 08:25 PM

I need to know what wire go to what

jstchev

03-19-2005, 06:07 PM

Year, Motor?
On a 2001 s10 4cyl the tach signal is the #10 white wire on the PCM.
All other connections from the tach should be self explanitory if you don`t know then I suggest having someone else install before causing damage to the PCM. Gook Luck.

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