I have a 97 Grand Cherokee that has lost lights. Only the headlights will cut on when turned on. No running lights,tail lights, or dash lights. I do have brake lights and turn signals but am not able to drive the car at night. When the switch is on auto and I hit the brake the lights that aren't working flicker. I've replaced the switch but am honestly just lost. This is my DD so help would be greatly appreciated.

 

So they do not work when in the On position or in the Auto? But the will flicker in the Auto when you step on the brakes?

Max

 

Sounds like a loose or broken ground to me.

 

Have you installed a new stereo recently, or is there a trailer plug dangling under the rear number?

 

I uninstalled and the re installed the same head unit because I was going to sell but changed my mind. I must have left a wire exposed and it caused it to blow fuses. I had at least 3 blown fuses that didn't really make sense and bought a new switch. So far so good.