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Home >> Ford >> 2014 >> Fiesta ST >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM Wiring Diagrams Component Testing >> Component Testing >> Instrument Panel Dimmer Switch >> Component testing procedure

Component testing procedure

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Interior dimmer Circuit 4 and 7 Dimmer Up Closed circuit
4 and 3 Dimmer Down Closed circuit