Thread: Tach signal?
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Old 10-19-2010, 09:14 AM   #6
paul996
Registered User
 
Join Date: Nov 2009
Location: Virginia
Posts: 3
Pin#9 on the OBD port. Violet/Green Wire

The pin # changes depending on which year car you have but the wire color doesn't.

You can also find the Violet/Green wire at the DME as well.
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