99 T/A, Did Ls6 intake mani swap, now have an extra electrical connector, Help!
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Did my ls6 intake swap and it made a huge difference. But I have a leftover plug/pigtail coming from the back area behind the manifold. Everything works fine in the car and I couldnt see where it went to. I feel like I'm overlooking something small but I figured Id ask and see if anyone recognized this particular pigtail.
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if you have it tuned out then no. I believe its just for emissions. When doing my fast there wasnt a place for it so i just left it out and unplugged. no SES lights