It may fit the switch but will it light up the switch? I also wired mine so the fogs come on with the parking lights independent of the headlights. My only problem is that my switch light that i wired into the gray 12v AC wire is not lighting up. It might just be a bad connection but i wired up and soldered everything before installing my home made harness.

 

If you want it, you can have it for free.

That way you can check it out with no worries of whether you wasted your money.

PM me your address and I will send it to you.

I think it will work great for you. You just plug it in and ground.