Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems in Wiring Systems. |
2 |
Are Both of the fog lamps on? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. | Go to Step 3 |
3 | Using a test lamp connected to a known good ground, backprobe the inoperable fog lamp B+ feed circuit. Does the test lamp turn on? | Go to Step 5 | Go to Step 4 |
4 | Repair a poor connection or an open in the fog lamp switched B+ feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Has the repair been made? | Go to Step 8 | -- |
5 | Using a test lamp, backprobe between the inoperable fog lamp B+ feed circuit and the inoperable fog lamp ground circuit. Does the test lamp turn on? | Go to Step 6 | Go to Step 7 |
6 | Replace the inoperable Fog Lamp. Refer to Front Fog Lamp Replacement . Has the repair been made? | Go to Step 8 | -- |
7 | Repair a poor connection or an open in the fog lamp ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Has the repair been made? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | Go to Diagnostic System Check - Lighting Systems in Wiring Systems. | Go to Step 2 |
