Schematic Reference: Exterior Lights Schematics

Did you review the Exterior Lighting Systems Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Exterior Lighting Systems Description and Operation

Verify that the tail lamps are inoperative.

Do the tail lamps operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

Are the turn signals lamps and marker, license and tail lamps operating properly?

Go to Step 4

Go to Symptoms - Lighting Systems

1. Remove the inoperative tail lamp bulb.
2. Inspect the bulb and socket for an open filament or terminals.

Does the inoperative lamp have an open filament or terminal?

Go to Step 7

Go to Step 6

Repair the open or high resistance in the park lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 8

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Replace or repair the inoperative bulb/socket.

Did you complete the repair?

Go to Step 8

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3