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Headlights go and stay on when the car is turned off

Tiny
LSCHROEDERHART
  • MEMBER
  • 2007 BUICK ALLURE
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 428,000 MILES
My headlights go on randomly when the car is turned off and they do not go out and I cannot shut them off. They drain my battery.
Tuesday, February 28th, 2017 AT 8:02 AM

2 Replies

Tiny
LSCHROEDERHART
  • MEMBER
  • 2 POSTS
I saw something about a HDSM headlamp relay. Could that be the problem? For a while if my door handles were not quite seated closed properly, the lights would not go off, but if I made sure the doors and door handles were pushed closed properly the lights would go off. Last night it did not help.
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Tuesday, February 28th, 2017 AT 8:07 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This can be a body module or hdm beam module which is in the under hood fuse box it is not a relay. A mechanic will need to scan for codes for this. In the meantime you can pull fuses 3 &4 underhood and lights should go out but check tail lights first. Also if module is able to be pulled out you can do that as well.
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Wednesday, March 1st, 2017 AT 9:33 AM

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