Headlights not working

There is no voltage going to the orange wire. The ground seems to be fine.

On my car my brake lights stop working but when I put on the brakes they light up. The dash lights stopped working the same time the tail lights stopped. Then a little bit after this my head lights stop working, but they work when I hold on the high beams with the blinker switch. Please help!

My wife got the in a divorce settlement, when I met her there was nothing wrong with the car. No problems. The car got reposed because her ex did not make the car note. Now we got it back and the dashboard lights work some times the whole dash. I also noticed that the high beams do not work and when you try to turn them on all the lights go out the dash and the radio light, but the radio still works. Speedometer still works just the lights. Some one also took out the heater blower motor it has a bad connection, but works now. I wanted to know before I went under the dash to look at the ground wires if you think this might be the problem. Thank you for your time.

My headlights are not working and there are a lot of wires not connected when I was looking at it. I do not know which colors go to which.

Hi. The driver's side low beam went out. Replaced bulb (it was burnt out). It will not work now.

Electrical problem
2000 Chevy Impala 6 cyl Front Wheel Drive Automatic 120k miles

Hi and thanks for taking time to read this. Now, down to business.

My father in law has a 2000 Impala (former police car) that has a few issues. First things first, the cruise control does not work at all. I have checked the fuses and all fit tight and are in good working order. Everything under the hood related to the Cruise Control are all plugged in and intact and appear to visually be ok. Secondly, the headlights stay on at all times. The only way to turn them off is to take out the fuse. They will not turn off with the switch itself. So I believe the fuses for them are out, due to I don't see him driving at night and headlights are off. Thirdly, the car some times shuts off while driving, even under an acceleration load. It doesn't seem to have any sort of pattern of when it does it.

I feel all these problems are electrical, due to this being some sort of law enforcement car with wiring and all. It has two big spotlights on it, neither of which are actively connected. I have read several forums and can't quite nail down the answer. I believe the problem is either a bad ground or some sort of issue with the ignition switch. Any help on getting me in the right direction is appreciated. Thanks

Thanks for the reply. No, the lights stay on at all times, with the switch off and keys out. I know the DRL's stay on while driving, but that is not the case here. I also wanted to mention the fact that the airbag light stays on as well. I had no idea that a brake light being out like that would stop the cruise from working. That is weird. I will go check the bulb and reply back, albeit it may be a few days or through the weekend. Thanks again.

Have found that the dimmer switch can cause a lot of these problems. Also, a body control module can cause this also. Turn the dimmer switch back and forth (bright and dim) and see if you can get all the lights to come back on. If not, you may have to take it to have a scan tool check it. I do not think it was anything someone did.

The question is that dimmer switch a momentary contact switch which triggers a relay and then is out of the picture or does the dimmer switch supply a constant voltage in either direction?
Like a latched type switch.

A few of you spoke about checking for codes when there is a headlight issue.
Would I use the same scanner I used to read engine control codes?
I have the torque pro app and others.
Or would these need to be read with a tech ll or similar?

Okay, thank you. I watched the video I'm not having a problem with my car but I'm just trying to sort of understand these a little better.
Do you know if the dimmer switch is a momentary contact switch that triggers a relay and then it's out of the picture or is it continuous voltage through the switch like a latched switch?
I am guessing from the field it's momentary contact and just triggers a relay, but I could be wrong.