There was a yellow wire with a green tracer that dropped fuel pressure during the 1st to 2nd gear change to soften the shift, (automatics only of course) I understand the 03s have a different wiring set-up the the colors may be different, or it may not even exist, I think it was called the "TDR" or something like that. I only read about it recently as I was gathering info on blowing or turboing my 02 or tradeing up to the GT. I didn't do it to my 02 as I pretty much figured with the $2500 cash from Chyrsler the 02 wasn't going to be around long.
Tom
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