What was found
(CAN) AFTER A FALSE FIRE WARNING. ENGINE WAS SHUTDOWN. WHILE TROUBLESHOOTING. FOUND POWER FOR AUTO IGNITION SYSTEM WAS BLEEDING THROUGH WET WIRE INSULATION & INTO FIRE DETECT SYSTEM THROUGH IT'S WIRE INSULATION. THIS TOOK PLACE IN MAIN WIRE BUNDLE FOR RT ENG. FWD OF FIRE WALL. WIRES WERE DRIED & TEMPORARILY REPAIRED WITH SHRINK TUBE & SYSTEMS WERE TESTED. FURTHER INVEST. ON AN OTHER BEECH A100 S/N B152: FOUND THAT WITH A METER IN DRY WIRE BUNDLE THERE WERE NO VOLTAGE, WHEN WIRE BUNDLE WAS SPRAYED WITH WATER. I COULD GET AS HIGH AS 8. UDC SEEPING THROUGH INSULATION OF WIRES. AUTO IGNITION & FIRE DETECT WIRES ARE SAME TYPE OF WIRE WITH OUTER BRAID FOR HEAT.