This only affects the high beams? Try disconnecting each headlight separately and see how the other light is. It sounds like they are running in series rather than parallel for some reason. Maybe a defective bulb.
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Dimming Headlights | 7 | 1558 | October 10, 2013 | |
| Weak Headlights (a/k/a dim bulbs?) | 4 | 899 | April 9, 2008 | |
| I think the headlights are getting brighter and dimmer at semirandom intervals | 11 | 7460 | November 24, 2018 | |
| Headlights Dim | 3 | 736 | April 5, 2010 | |
| Why do my interior lights get brighter when I shut off my headlights? | 9 | 23774 | November 5, 2009 |