ENGINE WIRING HARNESS HAS BRITTLE INSULATION; HAS HUNDREDS OF CRACKS; INSULATION IS FALLING OFF OF WIRES; IS SHORT CIRCUITING, MOTOR IS RUNNING ROUGH; MISSING SOME; SOUNDS LIKE ITS NOT RUNNING ON ALL CYLINDERS. WIRING HARNESS IS HEATING WHERE IT IS SHORT CIRCUITING. I HAVE SEEN SOME SMOKING; WAS ON FIRE ONCE SO FAR. *TR