8-33LIGHTING SYSTEM ELECYES NO1. Tail/brake light bulb and socket Check the tail/brake light bulb and socket forcontinuity.Refer to “CHECKING THE BULBS ANDBULB SOCKETS”. Are the tail/brake light bulb and socket OK?Replace the tail/brake light bulb,socket or both.EAS007903. The tail/brake light fails to come on.YES NO2. Voltage Connect the pocket tester (DC 20 V) to thetail/brake light coupler (wire harness side)as shown.Wiring circuit fromthe main switch tothe tail/brake lightcoupler is faulty andmust be repaired.Positive tester probe blueNegative tester probe black12 Turn the main switch to “ON”. Measure the voltage (DC 12 V) of blue onthe tail/brake light coupler (wire harnessside). Is the voltage within specification?2This circuit is OK.EAS007914. The auxiliary light fails to come on.YES NO1. Auxiliary light and socket Check the auxiliary light bulb and socket forcontinuity.Refer to “CHECKING THE BULBS ANDBULB SOCKETS”. Are the auxiliary light .bulb and socket OK?Replace the auxiliarylight bulb, socket orboth.YES NO2. Voltage Connect the pocket tester (DC 20 V) to theauxiliary light coupler (auxiliary light side) asshown.The wiring circuitfrom the main switchto the auxiliary lightcoupler is faulty andmust be repaired.Positive tester probe blackNegative tester probe blue/red12 Turn the main switch to “ON”. Measure the voltage (DC 12 V) of blue/redon the auxiliary light coupler (auxiliarylight side). Is the voltage within specification?2This circuit is OK.