4, Give ignition, Engine RUN (in case of fuel system, ignition system fault)
Normal sound 20 DB.
SHORT CIRCUIT 30 DB.+
No sound: OVERHEATED DEVICE
NOTE: if No sound, leave Fuse Burning Detector cool for next test.
5, Move, shake wire harness or knock/disconnect electrical parts until sound change. If sound get loud at moving section, there is short circuit location.