What was found
'HOT WIRE' SMELL IN-FLIGHT AT NIGHT. STALL HORN CONTINUOUSLY ON. STROBES INOPERATIVE. (WING TIPS). UPON UNEVENTFUL LANDING, NOTICED STALL HORN BECOMES 'NORMAL' IF PITOT LT SWITCH IS TURNED ON. CONNECTOR 2 CARRIES CIRCUITS OF NAV LIGHTS, STROBES, PT HEAT, AND STALL WARNING.