Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | 
 Is the filament open?  | --  | ||
2  | Replace the open lamp. Refer to Tail/Turn Signal Lamp Replacement . Is the repair complete?  | --  | System OK  | --  | 
3  | Connect a self powered test lamp from terminal G to ground. Does the test lamp light?  | --  | ||
4  | Locate and repair the open in CKT 1750 (BLK) between the lamp and the rear lamps bussing block. Is the repair complete?  | --  | System OK  | --  | 
5  | Locate and repair the open in CKT 2114 (LT BLU) between lamp and the underhood bussed electrical center (UBEC). Is the repair complete?  | --  | System OK  | --  |