I was just towed in this morning due to my 1994 Caravan 3.3L dying.
The 'Check Engine' light came on and a few minutes later the 'Check Gauges' light lit up along with the charging light. I drove about 10 miles till I could stop at a convenience store along the freeway in rural Arizona near the California line. Started up the van again and just the 'Check Engine' light came on; drove about 6 miles and the other two lights flashed back on. Note this was at 1 AM so I drove as far as I could till the battery was almost dead whereupon I pulled off and shut it down.
I let it sit for a few minutes then tried to restart the van; click. Waited about 30 minutes while waiting for the tow truck and the van started up, again with just the Check Engine light. But the idle was unsteady and the battery was draining down again. Tried starting it again and nada.
I'm thinking alternator but maybe a defective computer?