Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems.  | |||
1  | Did you perform the Lighting System Diagnostic System Check?  | Go to Step 2  | |
2  | 
 Do the stop lamps operate properly?  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | Disconnect the stop lamp switch. Are the stop lamps illuminated?  | Go to Step 4  | Go to Step 5  | 
4  | Repair the short to battery positive voltage in the stop lamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete?  | Go to Step 6  | --  | 
5  | Adjust or replace the stop lamp switch. Refer to Stop Lamp Switch Replacement . Is the repair complete?  | Go to Step 6  | --  | 
6  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 2  |