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**shambles** · 05-31-2023, 06:14 PM

Oh yeah, its a 1978 GMC C15. I don't have the sticker. There isn't a temp sensor on the housing. There are two blocked off plugs. They're painted blue to match the Thermostat Housing. It's possible it was removed.

05-31-2023, 06:14 PM	#6
shambles Junior Member Join Date: Jul 2010 Location: Goodyear, AZ Posts: 58	Re: What is this Vavle for Oh yeah, its a 1978 GMC C15. I don't have the sticker. There isn't a temp sensor on the housing. There are two blocked off plugs. They're painted blue to match the Thermostat Housing. It's possible it was removed.