what pin do i ground for a custom os for a 1999 corvette c5 i think its pin 56 not sure what connecter ,any help would be great .also this pin will need ground to flip to custom os correct? thanks mark
what pin do i ground for a custom os for a 1999 corvette c5 i think its pin 56 not sure what connecter ,any help would be great .also this pin will need ground to flip to custom os correct? thanks mark