Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify that the high mount stoplamp is inoperative. Does the high mount stoplamp operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate at any of the test points? | -- | Go to Step 5 | Go to Step 4 |
4 | Locate and repair the open, high resistance or short to ground in CKT 17 (WHT). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
5 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 6 |
6 | Locate and repair the open, high resistance, or short to ground in CKT 1320 (LT BLU). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
7 |
Does the test lamp illuminate? | B+ | Go to Step 8 | Go to Step 9 |
8 | Replace the high mount stoplamp. Refer to High Mount Stop Lamp Replacement . Is the repair complete? | -- | Go to Step 10 | -- |
9 | Locate and repair the open or high resistance in CKT 1850 (BLK) or 1350 (BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |