My head lights have gone off?

2005 BUICK CENTURY

93,000 MILES • 6 CYL • FWD • AUTOMATIC

SHARON57

MEMBER
1 POST

My head lights have gone off when I attempt to change from low beams to high beams and sometimes the lights have just gone off while I have been driving.

Mar 29, 2009 at 9:19 PM

SQM

✓ASE Certified Mechanic
6,383 POSTS

Hello,

It sounds like you might have a faulty headlight switch.
It is possible that you have corrosion or loose connection within the switch due to wear and tear.

Here is a helpful article:

https://www.2carpros.com/articles/how-a-headlight-switch-works

It can also be due to a bad ground that the lights are just going off. In which you will have to trace the wires to find the issue. I have included the wiring schematics below.

https://www.2carpros.com/articles/how-to-check-wiring

I have attached the diagrams for your reference.

Please let me know of any questions.
Thank you.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
Click here to log in and view diagram.

Oct 10, 2021 at 6:25 PM