Fog/Driving Lamp: Description and Operation

Power is supplied at all times
^ through 15 A fuse (No. (63), located in the fuse and fusible link box)
^ to front fog lamp relay terminal (3)
^ through 15 A fuse (No. (53), located in the fuse and fusible link box)
^ to headlamp relay LH terminals (1) and (3)
When lighting switch is in 2ND position, power is supplied.
^ From headlamp relay LH terminal (5)
^ to front fog lamp relay terminal (1).
Ground is supplied to front fog lamp relay terminal (2) through fog lamp switch and lighting switch when both of the following condition exist.
^ Fog lamp switch is in ON position.
^ Lighting switch is in "LOW BEAM" (B) position.

Front fog lamp operation
The lighting switch must be in the 2ND and LOW ("B") position for front fog lamp operation. With the front fog lamp switch in the ON position
^ ground is supplied to front fog lamp relay terminal (2) through the front fog lamp switch and body grounds (E5) and (E30).
The front fog lamp relay is energized and power is supplied
^ from front fog lamp relay terminal (5)
^ to terminal (1) of each front fog lamp.
Ground is supplied to terminal (2) of each front fog lamp through body grounds (E5) and (E30).
With power and ground supplied, the front fog lamps illuminate.