I used to do it on my 87 G. National but never tried on my Camaro. If so which slots do I stick the wire in? It's been a long time since I've had to do this and my memory's a little vague. Turn the key to run I think, and then connect the wire?

 

Nope its an OBD-II

and it doesn't even work on OBD-I 4th gens either...


autozone or advanced auto will scan your car for free but the light has to be showing not stored.

 

Thanks MustangEater82. My codes still on so I'll hit Autozone first thing tomorrow.