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03-05-2013, 11:08 PM
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#1 |
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Registered User
Join Date: Feb 2013
Location: Summerville SC
Posts: 23
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77 A/C Vacuum Diagram
Does anyone have a A/C Vacuum for a 77?
Thanks in advance FCS |
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03-05-2013, 11:09 PM
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#2 |
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Registered User
Join Date: Feb 2013
Location: Summerville SC
Posts: 23
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Re: 77 A/C Vacuum Diagram
I meant A/C vacuum diagram
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03-06-2013, 08:58 AM
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#3 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 77 A/C Vacuum Diagram
What do you need to know? Wiring is connected in series. Power to low pressure switch -->high pressure switch ---> good ground. Power to low pressure switch comes from dash position switch. If low or high pressure switch activate, power to compressor is turned off.
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03-06-2013, 12:47 PM
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#4 |
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Registered User
Join Date: Feb 2013
Location: Summerville SC
Posts: 23
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Re: 77 A/C Vacuum Diagram
I have everything wired, it is the vacuum hoses from the control head that I need a diagram for.
Thanks for the reply, FCS |
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03-06-2013, 02:45 PM
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#5 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 77 A/C Vacuum Diagram
Oh, miss read title. I'll have to check my 83 factory manual. It may a diagram. I don't think I've ever seen a vacuum diagram for A/C.
I searched a nice link on info but didn't find one there either. http://www.chuckschevytruckpages.com/ |
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