BCM wiring diagram?

2002 PONTIAC GRAND PRIX
200,000 MILES • 3.8L • 6 CYL • TURBO • 2WD • AUTOMATIC
Avatar
ISH1987
  • MEMBER
  • 2 POSTS
Need wiring diagram for the BCM
Mar 31, 2026 at 4:28 PM
Advertisement
Avatar
STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Sure, here is the wiring diagrams for the BCM and a guide to help you with the checking.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Let us know how it goes
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Apr 1, 2026 at 9:34 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.