1993 Exp Electrical Problem?

Just yesterday I started experiencing the following problems with my '93 Explorer:

First (the lesser of the two evils), my left turn signal is out. I have had this problem before and fixed it - the green turn arrow stays lit and the turn lights don't blink. Okay, not that big of a problem...

But, when I turned the ignition off, all three brake lights stayed on. Now they are on all the time, even when I'm driving and not applying the brake. This could lead to a possible dangerous situation. I have to disconnect the battery every time I park it.

Any advice?

Thanks in advance.

Brake pedal switch stuck?

Blinker doesn't work.......Flasher unit.

New info:

This morning when I turned it on (after re-attaching the battery) the brake lights were off and the turn signal worked fine. About a mile away when I used the turn signal again, it stopped working and all three brake lights were on again.

This sucks. Time to call a service place, the bane of my car's existence...