For 1990-2009 cars

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 | Go to Step 3
3 | Disconnect the stop lamp switch. Do the stop lamps remain illuminated? | Go to Step 4 | Go to Step 5
4 | Repair the short to voltage in one of the following circuits. Refer to Wiring Repairs .

• | Stop lamp switch signal

• | Center high mounted stop lamp (CHMSL) supply voltage

• | Stop lamp supply voltage

Did you complete the repair?

Go to Step 6

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5 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement . Did you complete the repair? | Go to Step 6 | --
6 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3