Check engine light

2004 BUICK CENTURY
270,000 MILES • 3.1L • V6 • 2WD • AUTOMATIC
Avatar
DEWEY SEAMAN
  • MEMBER
  • 1 POST
Where is post a and b on my diagnostics?
Jul 15, 2018 at 8:18 AM
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Avatar
ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good afternoon.

Can you be more specific on what you mean?

Do you mean the data link connector?

Roy
Image (Click to enlarge)
Attached Media
Jul 15, 2018 at 11:47 AM