Driver side brake lights out.
1. When you put the new bulb in, did you make sure that it was in the correct way? This may seem like a dumb question, but you can in fact put the bulb in 180 degrees the wrong way. What happens in that scenario is that the filament that is for the running lights is now on the circuit for your brake lights and vice versa.
2. The flasher is in the dash on the center console. If you get in on the driver's side and follow the edge of the center console up under the dash, you'll find a round looking relay. This is the flasher. Try replacing that.
3. Take a test light or multimeter and stick it in the socket and turn the signal on to see if you're actually getting voltage.



