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Component testing procedure

ILLUMINATION DIMMER SWITCH - COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Interior lamps Circuit 4 and 2 Dome defeat Closed circuit
  Off Open circuit
Illumination dimmer resistor 4 and 6 Rotate knob clockwise Ohmmeter will show smoothly increasing resistance
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