help,what pin number for tach output on 2007 lq4

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04-22-2011, 12:50 AM

supershift67

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help,what pin number for tach output on 2007 lq4

I would like to try and hook up my autometer tach and I dont have a tach wire. I thought it was pin 10 on the green connector but it did not seem to work at all.it didnt even move a little. Thanks for the help in advance.

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04-22-2011, 05:05 AM

LS1MCSS

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It is the green connector, pin 10, white wire. Some people have had trouble getting certain models of Autometer tachs, and some factory tachs, to work. Do a search and you will see what I mean. Some people have had to add a pull up resistor.