got a 94 3.1 cavi for parts there the other day it has a black interior which i like more then mine so im swappig it into mine, what do i have to change to put the dash out of the 94 into my 90 i kno the 94 has an electronic spedo and mine had a cable, can i change the inputs on the transmision for this to work? and will the rest of the gauges plug in the same? what else would i have to change? any help would be greatly appreaciated.