The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

corvettejim1968 · 01-28-2019, 01:42 PM

left side is for vacuum or air on the big c 50,60,80 right side for tach.
i bought a vacuum gauge and installed it in my 65 c10

01-28-2019, 01:42 PM	#20
corvettejim1968 Registered User Join Date: Jun 2011 Location: Phoenix,AZ Posts: 946	Re: Gauge cluster left side is for vacuum or air on the big c 50,60,80 right side for tach. i bought a vacuum gauge and installed it in my 65 c10 __________________ Hand Made Factory reproduction A/C vents text or call 602-361-6421 Website for A/C vents https://coolc10.com/