---
title: Head lights staying on and buzzing noise
description: Head lights staying on and buzzing noise
---
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# Head lights staying on and buzzing noise
## I have a 2006 grand marquis. I think the lcm is going out. The only thing it does is when the car is off the head lights stay on really dim. And their is a buzzing sound from under the dash. Could the buzzing be from the lcm?
### SKU: 8170
### Mercury Grand Marquis 2006-2011
There is a speaker inside the LCM specifically for the 2006 Mercury Grand Marquis. We can test the speaker as well as the relays that are soldered in to see if there are any circuit board issues causing the buzzing to stay on.
However, it's important to note that the wiring, faulty door-jam sensors, and a light switch selector are all trouble points that would need to be inspected as well. When the buzzing occurs and when it doesn't, can help pinpoint where the fault may be inside the vehicle.
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