This is a GREAT way to have an SPST function switch that illuminates when on, and has perfect Toyota/Lexus/Scion fitment!!

Hella "Toyota" Switch For 450 Fog Kit Brush Guard, Round Amber LED Illuminated, Rocker.

• LED illuminated when switch in ON position.
• This popular swith is available again after being only available though TOYOTA dealers.
• Toyota P/N 00550-359765

PINOUT:
Pin 2: Power Source
Pin 3: Load, the lamp, or 86 pin of relay
Pin 4: Ground (so the LED will Light up)