azblacksheep
I'm Awesome
That's what I'm doing.. 94 dash to a 91. Didn't know of these complications when I got the 94 for a parts truck. But hey, for a z71 with a 350 and decent interior (and a bunch of other goodies) when my trucks dash is destroyed (literally) and a v6 (can't wait to do that motor swap), you don't do much looking in on a $300 truckDon't get it twisted..
88-91 is one generation in regards to the dash cluster. It has the wider connector with actual sockets/pins and the area the connector sits in for the cluster to push on, is relatively flat. The one standout here is the 91 cluster has a slightly different pinout so swapping 91 into 88-90 or 88-90 into 91 means you need to move some wires around in the harness. 88-91 are all moonies of course with exception of the semi-rare needle cluster that was also available in 91.
92-94 is the next gen...they have the raised standoff where the connector sits and it's a smaller connector with flat pins on it that push into "fingers" on a flexi-circuit stuck to the back of the cluster. Swap between these 3 years with ease; direct fit.
Lots of people have swapped the 92-94 cluster into an 88-91 dash and not had any real issues, but if it was my truck and I had both dashes handy I would make a template and carefully chop the plastic behind the cluster out and transplant it so the connector has a firm place to sit.
Richard
Welders can weld, and fitters can fit, but the porta-can-man knows his ****.