Step | Action | Yes | No | ||||||||
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Schematic Reference: Exterior Lights Schematics | |||||||||||
1 | Did you review the Exterior Lighting Systems Description and Operation and perform the necessary inspections? | Go to Step 2 | |||||||||
2 | Verify that the license lamps are inoperative. Do the license lamps operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||
3 | Place the headlamp switch in the HEAD position. Is only one lamp inoperative? | Go to Step 4 | Go to Step 5 | ||||||||
4 | Remove the inoperative lamp and inspect for the following:
Was a problem found? | Go to Step 9 | Go to Step 5 | ||||||||
5 | Test the trailer park lamps supply voltage circuit for an open, high resistance or short to ground. Refer to Circuit Testing in Wiring Systems. Was a problem found? | Go to Step 7 | Go to Step 6 | ||||||||
6 | Test the ground circuit for an open or high resistance. Refer to Circuit Testing in Wiring Systems. Was a problem found? | Go to Step 8 | Go to Step 10 | ||||||||
7 | Repair the open, high resistance or short to ground in the trailer park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 11 | -- | ||||||||
8 | Repair the open or high resistance in the ground circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 11 | -- | ||||||||
9 | Replace the inoperative license lamp bulb and/or socket. Is the repair complete? | Go to Step 11 | -- | ||||||||
10 | Replace the license lamp socket. Is the repair complete? | Go to Step 11 | -- | ||||||||
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |