Heat Vacuum line diagram

1991 CHEVROLET S-10
50,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
Avatar
DAN BATES
  • MEMBER
  • 1 POST
Can't define what color or #number vent door dial correlates with the 2 Actuators under dash on left side for the plenum flaps 1 has 2 ports and has 1. Number two (Electrical)? also, I can't clearly define were the extra single wires plug into the fuse box Eg: The pink brown orange etc..
Nov 27, 2020 at 4:31 AM
Advertisement
Avatar
DANNY L
  • ✓Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Here is the heating system wiring diagram you requested. I've attached below. Let me know if you have any further questions on this issue. Hope this helps and thanks for using 2CarPros.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Nov 27, 2020 at 7:06 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.