There is an App for Iphone, it only costs $2.99 no dongle and does double and single codes!

Hi guys, I too looked into making a GM flash tool a couple of years ago, i purchased a Drew-tech GM can Mongoose and it came with some Software which enabled you to view the commands and responses on the data line. I made a bench programming cable with 2 OBD11 connectors and with a friends HP Tuners...

Hi guys, you can't buy it as connector disassembled any-more , but you can get it as a pig-tail from GM parts online.
http://www.gmpartsdirect.com/

Its is a good site for all things GM.

Hi Guys, just thought i would end a bit of confusion i have seen and correct a mistake out there. With the yanky 4 and 6 cylinder DIS module's. The wiring is different between the two, they have the same connectors, but the six pin is wired differntly. 4 CYL A is Tacho output B is Not connected C is...