Schematic Reference: Fog Lights Schematics

Connector End View Reference: Master Electrical Component List

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

1. Turn the ignition to the ON position.
2. Press the fog lamp switch to the OFF position.

Are the fog lamps OFF?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Remove the fog lamp relay.

Do the fog lamps turn OFF?

Go to Step 6

Go to Step 4

1. Reinstall the fog lamp relay.
2. Test for a short to battery positive voltage on the fog lamp relay switched battery positive voltage supply circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 7

Test for a short to ground in the fog lamp switch signal circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 8

Go to Step 6

Replace the fog lamp relay. Refer to Relay Replacement .

Did you complete the replacement?

Go to Step 8

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Replace the underhood fuse block. Refer to Underhood Electrical Center or Junction Block Replacement .

Did you complete the replacement?

Go to Step 8

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2