THANKS Guys!!! It is running again! I tied the amp wires together and it fired right up! Now... to figure out why the rest of the gauges don't have power. Breaking out the multi meter again to chase that down....
Going to check fuses in the morning. Amp meter wires are connected to the voltmeter gauge, but not sure they are right.... will connect them back to the original cluster and see what happens.
Any suggestions to what I need todo with the Amp meter wires, if they don't go to the volt meter...
BTW.. The truck has a chevy 5.3l Vortec. I can hear the fuel pump come on, etc when I turn on the computer, so I think it is dash wiring related. Especially since that is the only thing that has changed since it started fine just a few days ago.
Replacing the stock cluster with Auto meter gauges, using a Painless wiring harness. Using a diagram I found here on mud to determine what wire goes to what on the stock round plug for the stock gauges, I cut the wires needed and installed them in the new plug.
Now.... everything plugged in and...