Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you review the Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 | Verify that the stop lamps are inoperative. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Is voltage present? | Go to Step 4 | Go to Step 7 |
4 |
Is voltage present? | Go to Step 5 | Go to Step 6 |
5 | Test C5 cavity 7 of the instrument panel fuse block for battery positive voltage. Refer to Circuit Testing in Wiring Systems. Is voltage present? | Go to Step 10 | Go to Step 11 |
6 | Repair the open in the stop lamp switch output voltage between the stop lamp switch cavity 1 and C4 cavity 5 of the instrument panel fuse block . Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 12 | -- |
7 | Test cavity 2 of the stop lamp switch for battery positive voltage. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | Go to Step 8 | Go to Step 9 |
8 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Is the replacement complete? | Go to Step 12 | -- |
9 | Repair the open in the battery positive voltage circuit between the stop lamp switch and C4 cavity 14 of the instrument panel fuse block. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
10 | Repair the open in the stop lamp supply voltage circuit between C5 cavity 7 of the instrument panel junction block and SP300. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 12 | -- |
11 | Replace the instrument panel wiring harness. Refer to Instrument Panel Wiring Harness Replacement in Instrument Panel, Gages and Console. Is the replacement complete? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
