Ok I have a 1994 12 valve the gauges I have now don't dim. They are just some cheap ones off e bay. I had a 2003 cummins with the autometer nexus pro series that you could dim and everything. They would even record your max temps and change colors when you hit the danger zone. However they discontinued them, so, who makes gauges that do all that? I have looked at isspro but didn't really find what I wanted. I don't care about what they cost just want something that does all that.

 

Pretty sure AutoMeter still makes gauges that do all that, just not called Nexus.