i tried to look at the pcm pin-out for the tach wire but nothing close is listed. anyone else install one and where did you put the wire?
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so what wire do you use for the shift light
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Duece- I know on the OBD-1 there is no tech lead coming out of the PCM. I had to hit mine of the coil packs. I hope GM was not that stupid the 2nd time around.... seeings that the LT1 and LS1 both have them coming of the PCM's. :rolleyes:
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I used the white wire from behind the instrument cluster. That way I had no need to go through the firewall.-<i>Travis</i><br /><b>99 Trans Am, Pewter, A4</b> Forged, stalled, and cammed<br /><b>85 Buick Regal WH1 T-Type</b> It\'d be cool if it ran...<br /><b>94 Camaro 3.4, Teal, M5</b> The daily beater
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