I got one at Farm N Fleet i dont remember what its called but i got it for 65 bucks.. i comes with a program for your computer where u just remember or write down the codes the code reader sends out.. and enter it in to your computer and it will tell you what codes its throwing and hopefully direct you to whre your problemed areas are! its orange lol thats all i remember and its not very big its about the size of an old electronic poker game lol