Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the brake lamps light? | -- | Go to Stop Lamps Inoperative | |
2 | Remove and inspect the center high mounted stop lamp (CHMSL) fuse. Is the fuse open? | -- | ||
3 |
Are the filaments open? | -- | ||
4 | Replace lamps as necessary. Refer to High Mount Stop Lamp Replacement . Is the repair complete? | -- | System OK | -- |
5 | Connect a self powered test lamp from terminal D of the CHMSL to ground. Does the test lamp light? | -- | ||
6 | Locate and repair the open CKT 1850 (BLK) between the lamp and the mid bussed electrical center (MBEC). Is the repair complete? | -- | System OK | -- |
7 | Locate and repair the open in CKT 1620 (LT BLU) between the fuse and the lamp. Is the repair complete? | -- | System OK | -- |
8 | Locate and repair the short to ground CKT 1620 (LT BLU) between the fuse and the lamp. Is the repair complete? | -- | System OK | -- |
