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HVAC, the cable that opens the vent that lets in cold air or heat is stuck in the cold air position?

Tiny
PILOTBILL
  • MEMBER
  • 1983 GMC S15
  • 2.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 143,168 MILES
I need your help. I have the pickup listed above, with A/C and heater. The cable that opens the vent that lets in cold air or heat is stuck in the cold air position. I pulled out the control assembly. As I pulled out the control assembly, I forgot about the vacuum harness assembly, it pulled off. I need to know in what position the vacuum harness plugs back on. I am enclosing four (4) photos of the control assembly. Please help with any information you might have, thank you, Bill H. Comfort, Texas. Pictures would be very helpful also.
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Sunday, November 26th, 2023 AT 12:28 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I'm not having too much luck due to the model year. I attached anything I could find, but I suspect it isn't what you need.

Take a look and let me know if they help.

Joe

See pics below.
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Sunday, November 26th, 2023 AT 5:13 PM
Tiny
PILOTBILL
  • MEMBER
  • 84 POSTS
Thank you very much, as soon as the weather warms back up some, I will get back to work on the system. Thanks a lot for the photos, they are a very big help.
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Monday, November 27th, 2023 AT 7:14 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I'm glad to know they are helpful. Information is really limited because of the model year.

If you have a chance, when you get to it, let me know how things turn out for you.

Take care,

Joe
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Monday, November 27th, 2023 AT 8:21 PM
Tiny
PILOTBILL
  • MEMBER
  • 84 POSTS
I sure will. We are suppose to have this cold snap for about 2 weeks before it warms up again. I will let you know how things work out. Thank You Again. Bill H. / Comfort Texas
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Tuesday, November 28th, 2023 AT 6:47 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

No problem whatsoever. Keep warm! I'm near Pittsburgh. We had single-digit wind chills today. I miss summer. LOL

Take care,

joe
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Tuesday, November 28th, 2023 AT 8:12 PM

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