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- - 1968 Firebird Hvac Vacuum switch (https://forums.maxperformanceinc.com/forums/showthread.php?t=841481)

67428HO

06-13-2020 09:19 PM

1968 Firebird Hvac Vacuum switch

Hi , looking at the top of the vacuum switch attached to the controls, what port is the source vacuum go to the left side of the right? Does it matter? Thanks!

JimFB400HO

06-13-2020 10:22 PM

1 Attachment(s)

Maybe this diagram will help:

67428HO

06-15-2020 05:02 PM

Thanks Jim!

JimFB400HO

06-15-2020 07:04 PM

If you would like a clearer scan of that diagram, please send a PM with your email. I can rescan and send a .pdf of that page from the '68 Pontiac Diagnosis Manual.

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