Fog Lamps Always On
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fog Lamps Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Fog Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems. |
|||
| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Remove the fog lamp relay. Do the fog lamps turn OFF? |
Go to Step 6 | Go to Step 4 |
| 4 |
|
Go to Step 8 | Go to Step 7 |
| 5 | Test for a short to ground in the fog lamp switch signal circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Replace the fog lamp relay. Refer to Relay Replacement (Attached to Wire Harness)
or Relay Replacement (Within an Electrical Center)
in Wiring Systems. Did you complete the replacement? |
Go to Step 8 | - |
| 7 | Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement
in Wiring Systems. Did you complete the replacement? |
Go to Step 8 | - |
| 8 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |