98 Town Car multiple weird issues.

The digital dash went out a while back and I never fixed it. Now if the lights are on dim the left headlight will not come on and the right will flicker like a strobe. When the brights are on, the right works normally, but the left will flick on and off. When the left light goes off the speedometer quits working, the abs and trac lights will come on, the cruise quits working, and the wipers quit working. Sometimes it works normally, but the problem is more frequent of late. Hitting bumps in the road seems to effect it sometimes, which points to a short or something poorly connected. Is this a multi-switch issue or a lighting control module issue, or both, or something else. Any direction/assistance is most appreciated.

Anybody? Anybody? Bueller?

I would be checking all battery cables, grounds, alternator connectors, etc

All of those things are secure. No other electrical systems are having issues. Thanks though. I plan on getting a cluster on ebay. There is a burned out transistor on the current cluster. The issues started happening back in the fall and have become more frequent. If I don't have to use the headlights, there are no problems. Makes me think LCM.