Marker Lamps Inoperative
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Marker Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics | |||
| 1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 | Verify that the marker lamps are inoperative. Do the marker 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 PARK position. Do the park lamps operate normally? |
Go to Step 4 | Go to Symptoms - Lighting Systems |
| 4 | Inspect the inoperative bulb and socket for an open filament or poor terminal connections. Does any lamp have an open filament or poor terminal connections? |
Go to Step 6 | Go to Step 5 |
| 5 | Repair the open or high resistance in one of the following circuits. Refer to WIRING REPAIRS
in Wiring Systems:
Did you complete the repair? |
Go to Step 7 | - |
| 6 | Replace the defective bulb or repair/replace the socket. refer to WIRING REPAIRS
in wiring systems. Did you complete the repair? |
Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |