This fog light switch control unit is designed to conform to the latest IVA regulation concerning Rear Fog Lights on kit cars and imports. This simple unit is an inexpensive solution, previously a rear fog light could simply be switched on and off, using a dedicated fog light switch, as long as this switch was powered by the headlamp circuit therefore satisfying the requirement that the rear fog light should only come on if the headlights are on.The additional requirement is to have the fog light switch off and stay off when the headlamps are switched off. That is to say, if the headlamps are switched off then back on again whilst the fog light switch remains in the on position then the rear fog light must not turn back on unless the driver specifically activates the rear fog light switch to do so. This change in regulation is to prevent drivers from accidentally leaving their fog light on when not required. Cartek's new Fog Light Control Unit is a tiny electronic unit and about the si