Where is the bank six plug on 2001 Chevy blazer?
The location of the OBD-II diagnostic port (often mistakenly called a "bank six plug") on a 2001 Chevy Blazer is under the dashboard, on the driver's side. It's usually near the steering column, sometimes partially hidden. It's a 16-pin connector. Look carefully; it might be tucked away behind a panel or covered by a trim piece.