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Home >> Lincoln >> 1998 >> Mark VIII Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panels - Analog >> Symptom Testing >> Left Turn Indicator Inoperative

Left Turn Indicator Inoperative

  1. Turn ignition on. Place multifunction switch in left turn position. If outside left turn signal operates, go to next step. If outside left turn signal does not operate properly, see appropriate EXTERIOR LIGHTS wiring diagram in SYSTEM WIRING DIAGRAMS article in the WIRING DIAGRAMS section.
  2. Turn ignition off. Disconnect Steering Column/Ignition/Lighting (SCIL) control module connector C287. See Figure . Remove instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Disconnect HEIC connector C293. See Figure . Measure resistance of Light Green/White wire between HEIC connector C293 terminal No. 22 and SCIL control module connector C287 terminal No. 3. If resistance is less than 5 ohms, repair HEIC and retest system. If resistance is 5 ohms or more, repair open in Light Green/White wire.