my left brake light works when my headlights are off, but not when my headlights are on. Weird, huh? Any suggestions
Mar 11, 2013 at 12:26 PM
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CARADIODOC
✓Experienced Mechanic
34,413 POSTS
Broken ground wire. With the headlights off, you will find the left brake light no longer appears to work when you remove the right bulb from the socket.