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68Timber · 09-01-2017, 01:52 AM

I think it's called a vacuum switch, I had to replace one on my 83 K5 back in the 80's.

09-01-2017, 01:52 AM	#2
68Timber I know the pieces fit Join Date: Nov 2007 Location: MONTGOMERY, AL Posts: 5,523	Re: The A/C switch behind teh control panel. I think it's called a vacuum switch, I had to replace one on my 83 K5 back in the 80's. __________________ John 79 2wd Blazer (Bruiser) 85 M1009 Blazer (Sarge) build 74 Honda Z50 build