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11-01-2011
Hello i have a 2000 grand prix gtp my performance shift is not turning on and off.
does anyone have any information why it wouldnt work or common problems? I was also wondering what wires control it so I can make sure all plugs and everything are connected. I did find a snipped positive and negative wire under the dash, but I cannot find the other side of the wire that it was connected to. do the wires have anything to do with the performance shift?Thanks in advance for help.
-Zakk
Last edited by zakk; 11-02-2011 at 05:41 PM. Reason: Found out more information
11-01-2011
Changes shift points slightly. Its more of a novelty item than anything.
Originally Posted by W-Body Store
11-01-2011
There should be an idiot light on dash that says "perf shift" if not, yours prolly dont work...doesn't do muvh anyway...also WELCOME!!!
11-01-2011
Yep for performance shift. Welcome.
11-01-2011
what they said
nice sig busmech
and welcome!
11-13-2011
I have the same prob. I cannot figure out why it won't switch on. Ever since I had my wheel bearing replaced tc and perf shift won't work.
And I noticed a lot of replies say it doesn't do much... If u have the 3800perf tune it raises tranny pressure, raises shift points to where u choose, ect.
The guy that tunes for me told me its basically like an instant second tune. Told me if I really wanted to utilize it, I could have a whole race tune on that button. And obviously that makes sense seeing as how these other tuners allow u to do just that. If I could turn on my fuel pump voltage raiser, raise shift points, do the 1-3, 2-4 skip shift, raise trans pressure, start tranny co2 spray I think it'd be worth it!
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