Stop Lamps Always On
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Stop Lamps Always On Diagnostic Test
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views |
|||
| 1 | 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 |
| 2 | Verify that the stop lamps are always on. Do the stop lamps operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Disconnect the stop lamp switch. Do the stop lamps remain illuminated? |
Go to Step 4 | Go to Step 6 |
| 4 | Disconnect the turn/hazard flasher. Do the stop lamps remain illuminated? |
Go to Step 5 | Go to Step 7 |
| 5 | Repair the short to voltage in one of the following circuits. Refer to Wiring Repairs
in Wiring Systems.
Did you complete the repair? |
Go to Step 8 | - |
| 6 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement . Did you complete the repair? |
Go to Step 8 | - |
| 7 | Replace the hazard/turn flasher. Refer to Hazard and Turn Signal Flasher Replacement . Did you complete the repair? |
Go to Step 8 | - |
| 8 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |