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Component testing procedure

COMPONENT TESTING PROCEDURE CHART

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Interior dome Circuit 4 and 2 Dome lamp (full bright detent) Closed circuit
Dim Open circuit
Interior dimmer Circuit 4 and 7 Off (full dark detent) Closed circuit
Dim Open circuit
Illumination dimmer resistor 4 and 3 Rotate knob clockwise Ohmmeter will show smoothly increasing resistance