Can't get scanner to link up

[fillpot]

Guy's got a 69 Camaro with a trailblazer ls2 and 4l70e, just changed out the camshaft and intake and also put the battery in the trunk at the same time, ok got a few codes so I need to scan it with my snap on scanner and the dam thing want link up, all the grounds seem good and it would log on before I moved the battery, got to get the car retuned and I no if the scanner want log on that my tuners software want for sure any ideas, THANKS!

[ssinister]

I believe there is a +5v or 12v pin in the DLC. Try an internet search for OBD2 connector pinout and see what pops up. Did you check all the fuses?

[fillpot]

Yea checked all the fuses, that was my next step going to research the on the connector. THANKS!

[Gabe @ G-Rodz]

man not sure what to tell you. its always been a ground issue for me when the scanner would not want to connect to the car.......

[fillpot]

Yea thanks man, i'm going to check out pin #5 that's what i've been reading if your having troble usually something to do with it! THANKS!