PCM Pinout needed?

Tiny
RANDOM USER
  • MEMBER
  • 1998 CHEVROLET S-10
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
In need of pinouts for PCM connectors C1 blue and C2 black.

Thank you
Wednesday, April 12th, 2023 AT 5:00 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,890 POSTS
Here are the PCM wiring diagrams and the pinouts for the connectors you have requested. I have also included a guide to help you run some tests on the connections.

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

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
Images (Click to make bigger)
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Thumb
Was this
answer
helpful?
Yes
No
+1
Thursday, April 13th, 2023 AT 11:07 AM
Tiny
RANDOM USER
  • MEMBER
  • 7 POSTS
Just looking for the 2 80-pin PCM connector pinouts. The VCM connectors provided do not match the connectors on the vehicle.
Was this
answer
helpful?
Yes
No
+1
Thursday, April 13th, 2023 AT 4:16 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,890 POSTS
This is what they show. What is not right about them? Can you upload an image?
Was this
answer
helpful?
Yes
No
-1
Saturday, April 15th, 2023 AT 9:59 AM

Please login or register to post a reply.

Related Engine Computer Content

Engine Computer
GUIDE
Engine Computer
The automotive engine computer, also known as the ECU, PCM or ECM (Engine control unit, Powertrain control module, Engine control module), is central to a vehicle’s ...
VIEW MORE