Step  | Action  | Yes  | No  | 
|---|---|---|---|
1  | Did you perform the Lighting System Diagnostic System Check?  | Go to Step 2  | |
2  | 
 Do the backup lamps turn on?  | Go to Testing for Intermittent Conditions and Poor Connections  | Go to Step 3  | 
3  | Remove the backup lamps relay. Do the backup lamps turn off?  | Go to Step 5  | Go to Step 4  | 
4  | Repair a short to B+ in the backup lamps switched B+ feed . Has the repair been made?  | Go to Step 6  | --  | 
5  | Replace the backup lamp relay. Did you complete the repair?  | Go to Step 6  | --  | 
6  | Operate the system in order to verify the repair. Did you correct the condition?  | Go to Step 2  |