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Tach signal?
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10-19-2010, 09:14 AM
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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.
paul996
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