Stop Lamps Always On
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Stop Lamps Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Depress the brake pedal. Does the system operate normally? |
Go to Testing for Electrical Intermittents | Go to Step 3 |
| 3 | Disconnect the stop lamp switch. Do the brake lamps go out? |
Go to Step 6 | Go to Step 4 |
| 4 | Remove the CHMSL fuse. Do the brake lamps go out? |
Go to Step 7 | Go to Step 5 |
| 5 | Remove the STOP fuse. Do the brake lamps go out? |
Go to Step 8 | Go to Step 9 |
| 6 | Inspect for poor connections at the harness connector of the switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 7 | Repair the short to voltage in the CHMSL supply voltage circuit. Refer to Wiring Repairs
. Did you complete the repair? |
Go to Step 11 | - |
| 8 | Repair the short to voltage in the stop lamp switch signal circuit. Refer to Wiring Repairs
. Did you complete the repair? |
Go to Step 11 | - |
| 9 | Repair the short to voltage in the stop lamp supply voltage circuit. Refer to Wiring Repairs
. Did you complete the repair? |
Go to Step 11 | - |
| 10 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement . Did you complete the replacement? |
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 |