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Would somebody pretty please tell me which wire on the harness coming out of the ECU I need to connect the purple wire off of the autometer a/f guage?

It would be much appreciated.
 

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If you don't register at STLM soon Reggie, Randy and I are going to hunt you down! :D
 

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There are two O2 options for this hookup, the left or right sensors. On the 104-pin PCM connector, the left sensor is pin 87 which is a red wire with a black stripe. For the right sensor go to pin 60 which is a gray wire with a light blue stripe. Use an "add a fuse" kit for the power connection to the gauge. Also recommended is a three-way toggle switch. That way you can switch between the left and right sensor or just turn off the display.
 
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