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Heat Vacuum line diagram

Tiny
DAN BATES
  • MEMBER
  • 1991 CHEVROLET S-10
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 50,000 MILES
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.
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Friday, November 27th, 2020 AT 12:31 PM

1 Reply

Tiny
DANNY L
  • 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.
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Friday, November 27th, 2020 AT 3:06 PM

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