Symptom and Probable Cause STOPLIGHT I Will Not Light Switch faulty Wires broken disconnected or loose Bulb burned out Loose connection or poorly grounded lamp body Burned out fuse HOI Will Not Blow Loose connections or broken wire Horn button not making contact Faulty horn Defective horn relay Horn Tone Poor Faulty horn Horn Operates Intermittently Loose connections or intermittent connections in horn relay or horn circuit Horn switch out of adjustment Defective horn relay Defects within the horn Horn Operates Continuously Relay sticking Horn button sticking GENERATOR 1 Ignition on Engine Not Running Telltale Off Indicator bulb burned out Open circuit or loose connection in telltale circuit Telltale Light Stays On After Engine is Started If on idle only improper idle speed Low generator output OIL PRESSURE AND CYLINDER Telltale Light On Engine Running Circuit grounded between telltale light and switches Oil or cylinder head switches not functioning properly Oil pressure low Engine overheating Ignition On Engine Not Running Telltale OA Telltale light burned out Open circuit between light and ignition switch or light and either switch Pressure switch stuck Either switch not grounded WINDSHI See Windshield Wiper Assembly in this section for Probable Remedy ND CIRCUIT Replace switch Make necessary repairs Replace bulb Tighten loose connections or properly ground lamp body Check for shorts and replace fuse tN5 Tighten loose connections or replace broken wire Adjust horn button contact Replace horn Replace horn relay Replace horn Check connections and repair as required Adjust horn button contact Replace horn relay Replace horn Replace relay Adjust horn button contact ELLTALE LIGHT Replace bulb Locate open circuit or loose connection and correct Adjust idle speed and check for loose blower belt Check generator output HEAD TEMPERATURE INDICATOR Locate and correct grounded condition Replace switch es Correct as necessary Correct as necessary Replace bulb Find and correct open circuit Replace switch Check threads of switch for foreign material ELD WIPER complete wiper diagnosis information rWVU aYM Y YU L