2003 astro cargo
Starting, and, Runs fine, but security light is on, fuel gauge not working, battery light on. and gearshift selector indicator not working .
The problem came on suddenly
the battery was old, so I replaced it. It was starting to crank slow so I did that first. Hoping that was the problem. But it is still happening .
My voltage gauge says 14+ v. while it is running . Began poking around checking grounds etc/ ;. ;
Looking for a bad wire.
On some of the starts this all may take a short time for the problem to begin.
Any help on wheere to look appreciated.
temp guage not working either

Oh, and pulled the fuse, under the steering column, for the gauges, it was good. , started the van with it out, and the battery light came on but not the security light.

 

If you can start it, the Security light may mean the VCM isn't getting all of its several 12 Volt inputs (Battery, Ign0, etc.)
I had an issue with no gauges (except Battery and Oil Pressure) and even though the fuses were good, pulling them out and pushing back in apparently fixed my issue. (TCM, ILLUM, GAGES, TRANS)

Hope this helps.