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04+ headunit in a 97-03 gp?

shawn3091

shawn3091

New member
how could you make a 04+ grand prix headunit work on a 97-03 grand prix. they require class 2 data bus that the 97-03s dont have? there has to be a way to bypass it to make it work, what could be done?
 


it was done on a grand am. check out these links
Class 2 Data Bus - Page 3 - MP3Car.com
Databus retrofit in 99 grand am? - Page 3 - Grand Am Owners Club Forums
How To: Put a 2001+ factory head unit in your 99-00 GA - Grand Am Owners Club Forums

97-03 has a class 2 data wire at the bcm, so it could probably be taped into the same way as they did on the ga.
bcm pinouts are here
http://www.grandprixforums.net/f71/hids-drl-eliminate-daytime-running-lights-22162.html
look at this one, it shows the class 2 wire
Imageshack - grandprix2.jpg - Uploaded by victoryredzq8
 
can anyone here get me wiring diagrams/pinouts for everything related to the audio/navigaton system in 04+ gp? like the vcim pinout, correct nav unit pinout, xm module pinout, something that shows all the data lines?
 
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