Fog/Driving Lamp Switch: Testing and Inspection

1. Remove the fog lamp switch. Refer to the Rear Window Defogger and/or Fog Lamp Switch Removal.
2. Using two jumper wires, connect Pin 2 and Pin 4 of the switch to battery voltage.

Fog Lamp Switch Test:

Fog Lamp Switch Circuit:

3. Using a test lamp, connect the test lamp to Pin 3 as shown. Refer for fog lamp switch circuit.
4. Push the fog lamp switch button. The test lamp and the LED indicator on the front of the switch should illuminate.
5. If either the LED or the test lamp fails to illuminate, replace the switch