Connect this to the positive wires of both fog lights.
The other side of the switch should be connected to a . podkljuchenie tumanok shema
Connect this to a solid metal part of the car body (chassis ground) or the negative battery terminal. Connect this to the positive wires of both fog lights
Connect this to your cabin switch .
Using a standard automotive relay (often labeled 30, 85, 86, 87), follow this scheme: podkljuchenie tumanok shema
How to WIRE A RELAY to a switched circuit for auxiliary lights