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installing a tach in my S10


s10__fan
09-10-2002, 07:25 PM
I need to know what wire go to what

jstchev
03-19-2005, 05:07 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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