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I have a Crown Vic and recently it started to make a weird buzzing noise from the passenger side whenever both the engine and headlights are on. I never heard the buzzing with just the headlights on,or with just the engine on. They both need to be on in order for me to hear it.
Any suggestions on what could be wrong??
Also, there is not flickering of the headlights it's just the noise that's driving me crazy.
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Does it happen when stopped?
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>>16098640
Yeah it's constant if both engine and headlights are one.
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>>16098650
maybe the battery is over stressed?
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>>16098611
>passenger side
Ok, that's where the relay probably is.
>car must be on
Voltage regulator is going out and overcharging the system. Check the terminals with a multimeter; anything above 14V is a problem.
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>>16098732
I like how the OP bounces as soon as legit advice is given
I hate people
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>>16098732
Anything about 15 and sometimes even 15.5 is can be a problem, but it can vary from cars and condition. Often cars will vary the voltage depending on conditions such as temperature. My little shitbox would get as high as 15.4v on cold starts in sub 20f weather, then settle around 14.3 when it warms up. Then in the summer it would settle around 13.7.
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>>16100204
True, I could have said 15 and up, but if it doesn't change from 15 that's a problem.
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>>16098611
>I have a Crown Vic
Spotted the whacker.
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>>16100204
>>16098732
Checked the terminals. Everything checks out as being normal. I'm thinking it just might be the relay. But the lighting relay is located under the driver's side not passenger.
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>>16100753
Spotted the busrider
Thread posts: 11
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Thread images: 1