gauage cluster swap question

[79bonanza]

hey guys i got a question for you all. i have a 1978 chevy k10 scottsdale that came from the factory with dummy lights and someone took and cut up the original gauge peices and trim to fit in some autometer autozone gauges and i dont like them. the question is, i have a set of full gauges out of my 79 that im building that are unmolested and worked until i removed them. could i simply unplug the old gauges from the 78 and plug in the gauage cluster for a 79 and have no problems and everything work