Cluster question.

[heavychevy79]

Originally Posted by Captkaos

Like Crossy said, the hard way, 19 years of swapping them out. Plus I use to sell tach clusters all the time for about the first 5-7 of those years.

Well hook a brotha up! All I know is a 78 Silverado cluster won't work in my buddy's 79 Silverado. Will only a 79 cluster work? Or is there different curcuit boards for that year, excluding dummy light and tach clusters?