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03-15-2012
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#5 |
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Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,816
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Re: Needing help with TP Switch
On a 91, and possibly other years, the wire colors are Dark Blue and Black. Black is ground, Dark blue is the voltage the ECM is seeing. The third wire should be the 5V reference signal (Gray, I think).
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