Why does my headlights come on at night when the temperature drops? It is draining my battery.

65

Asked by Jan 25, 2008 at 05:57 PM about the 2003 Pontiac Vibe Base AWD

Question type: Maintenance & Repair

My headlights come on in the middle of the night when the temperature drops. It has an alarm on it. That may be the problem. I don't know. It is draining my battery and I have to jump it off every morning. I can unhook the battery and reattach in the morning and it is fine. What could be causing this?

2 Answers

sounds like you have a dead short have you replaced raido

43,545

Agreed, somewhere something is shorting out. I would have a dealership take a look at this. It's possible either your alarm is acting up, or your BCM is causing problems -- the body control module controls lights as well as other body electric functions and I have seen them do WEIRD things when they are starting to go out.

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