Yeah, what Jamesp said. Also, reading the codes and correctly interpreting them are two completely different things. Post your codes here once you have them and we'll have a go at seeing if we can figure out what's wrong.
Are there any other symptoms like rough idle, stalling...?
I find it hard to believe that the data port and the cigarette lighter are on the same circuit. You sure about that?
__________________
'99 black 986
|