Thanks for the help
Last night I had a problem with my gauges. I would turn the key on, and no lights on the dash, and non operational gauges. I tried a few things (swapping relays, tightening connections, fiddling with the switch)
This morning I pulled into Freightliner to get some help. While I was waiting I read a few entries about electrical issues on this forum. I read that there was a circuit breaker near the batteries. I checked it as best I could, it seemed okay. Then I remembered several on this forum talking about the trouble that could be caused by weak grounds. I got a couple wrenches and a screwdriver. I tightened everything I could find, went inside turned the key, to my surprise everything was as it should be.
I want to thank the people on this forum for their expertise, and willingness to help people they haven't even met.