Milt,
I've been following this thread and feel your pain. At the risk of getting hammered, have you checked fuses and grounds? Have you done the "fuel pump" spew? Fuel pumps and filters suck when they should blow
Quick sea story: Stuck at Luke AFB in the mid 80's. My Sun-Strand Aux Power Unit wouldn't start. Without the APU, you can't start the big jets on the H-60.
We pumped the tank that proviides initial juice to turn the APU to start speed at least 10 times in the Az heat...we were all pissed.
We call it a day. Since I am the Aircraft Commander, I begin to put all the charts and maps in my nav bag. My IFR supp was covering the APU circuit breaker, which was popped
Reset said CB, APU fires up and we're on our way.
I took my co-pilot and crew chief to dinner when we got back to San Diego. It sucked to be me