The exterior lights do not have a relay. They are directly turned on by the headlight switch.
headlight switch is bad
Probably a bad headlight switch. Also may be the power feed wire for the headlight switch. Check both.
By having a professional repair the problem that has turned the light on. They will reset the light after the repair. This is not a DIY repair.
You likey have a bad headlight switch or a crossed wire.
If, by Spanish explorers you mean the conquistadors, then it should have been God, Glory and Gold, but it turned out more like Gold, Glory and God.
The radio was wired wrong. Sounds like the hot wire for the radio was connected to the hot wire for the headlight switch.
I would check for any loose connections/obvious things. otherwise replace the headlight switch.
Immediately after you finished your last drink and turned on the ignition in your car and began driving.
Cars don't turn off completely, they run on battery power. The headlight switch needs to be turned off.
They come on when you turn on the windshield washer, but only when the headlights are turned on.