Question about 2004 Pontiac Grand Prix
This will not work.
There are no electronic chips in existence that are designed for use with any model of GTP.
If you would like to work with electronics only for performance changes you need to either reprogram your PCM yourself or purchase one that is pre-programmed to be compatible with your GTP.
However, the good news is that you still have a few options, depending of course on the current set up of your GTP.
Regarding that I highly recommend that the only source you visit is http://www.zzperformance.com/grand_prix/products.php?id=107
Posted on Apr 23, 2011
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Posted on Jan 02, 2017
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