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[Cody1233]

Okay, so I got an older grand prix (2002) and have been searching for a way to access the OBD computer so I can view error codes and stuff. I looked everywhere and I just figured out what interface type it has. I found cables, but they're like $60!! I can't spend that much! I have heard of people making cables to interface the OBD computer from a laptop serial port. Does anyone have information on how to do this or a place to find a cheap (less than $10) cable?

Thanks in advance!