ECM pin in wiring diagram needed?

1994 BUICK PARK AVENUE
175,000 MILES • 3.8L • V6 • TURBO • 2WD • AUTOMATIC
Avatar
ALICIA BETTIS
  • MEMBER
  • 1 POST
Trying to find the pin and diagram for the ECM.
Nov 9, 2024 at 4:20 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,694 POSTS
Sure, here is the pinout for the engine ECM. Check out the images (below). Let us know if you need anything else.
Images (Click to enlarge)
Attached Media
Attached Media
Nov 9, 2024 at 4:23 AM
Avatar
STEVE W.
  • ✓Experienced Mechanic
  • 15,408 POSTS
These should be the ones for the 3.8 PCM in the original post.
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Aug 19, 2025 at 5:01 PM
Add a reply
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 new question

Frequently Asked Problems for This Vehicle

Advertisement