Update:
Yellow and green wire from power transistor has 12 volts with key "on"
Yellow and black wire from power transistor has 12 volts with key "on"
No funny smell from ECU, no signs of capacitor leakage
All dash lights that are red (battery etc, etc) and radiator light, come on, but no ECU light.
Brand new battery held charge over night while plugged in.
So im leaning towards and ECU
