Headlight problem

My wifes car headlight is messed up. Heres what happens. The driver side is very dim. I changed out the bulb, but still shining dim. I checked all the fuses under the hood, but all seem to be fine. When the lights are switched to bright mode, the driver side quits completly. When i turn the turn signal to the left, it wont blink until i turn the switch that turns the headlights off and on all the way to me and i hear a clicking sound then it blinks. Tail lights seem to work fine, ust the driver side. Doing some research, people say it sounds like a ground wire. Im by no means a mechanic, so i need help! If it is the ground wire, how do i fix it?