Sounds like a custom wiring job. Trace wires back from fog lights. 

Chris

Dnia 05.12.2016 o godz. 13:10 Mark McCulley <markmcculley@GMAIL.COM> napisał(a):

> Here's a weird one... After arriving home last night my fog lights would
> not turn off. I have them wired such that they're not switched through the
> ignition so the switch is the only way to turn them off. It was late, dark,
> and rainy so I just disconnected the battery. Haven't had the time to
> troubleshoot yet but seems like it must be a stuck relay.
> 
> -Mark