anyone know the part number for the circuit board on a digital instrument cluster on 1993 blazer S10?

try www.gmpartsdirect.com

thanks..youve told me where to go but not what i was asking for...im looking for the part number

if you go there and try a search or even e-mail them...I'm sure that you can get the part number...that's what I did when I got a new fog light and didn't know the part number...so yeah...I did help you out in HOW to get the part number.