Buzzing noise from large heat sync under passenger side dash

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SlimGrim
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Buzzing noise from large heat sync under passenger side dash

Post by SlimGrim » Thu Sep 08, 2016 7:43 pm

Under the dash above the passenger side footwell is a large round aluminium heat sync, which has recently taken to clicking really fast when the engine is running until I turn the lights on at wich point it stops, the noise returns when I turn them off again, any ideas on what this is and why it could be doing this?
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Re: Buzzing noise from large heat sync under passenger side

Post by SlimGrim » Thu Sep 08, 2016 7:45 pm

This
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Re: Buzzing noise from large heat sync under passenger side

Post by twiss » Thu Sep 08, 2016 8:14 pm

Think its the dim dip relay. Should be OK to just unplug it
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Re: Buzzing noise from large heat sync under passenger side

Post by zook123 » Fri Sep 09, 2016 9:02 am

It's your AirBag ECU, or Flux Capacitor :)
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Re: Buzzing noise from large heat sync under passenger side

Post by SlimGrim » Fri Sep 09, 2016 10:44 am

I have an airbag!?
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Re: Buzzing noise from large heat sync under passenger side

Post by zook123 » Fri Sep 09, 2016 10:50 am

haha, nope! I do. If it works or not is another question!
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Re: Buzzing noise from large heat sync under passenger side

Post by donkeychomp » Fri Sep 09, 2016 9:24 pm

I have the same issue with my LJ and the noise stops when I brake. Why it does this is a complete mystery.
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Re: Buzzing noise from large heat sync under passenger side

Post by dan_2k_uk » Fri Sep 09, 2016 10:20 pm

Dim dip unit. Unplug and chuck it.
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Re: Buzzing noise from large heat sync under passenger side

Post by SlimGrim » Fri Sep 09, 2016 10:25 pm

is it useless or should i replace?
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Re: Buzzing noise from large heat sync under passenger side

Post by ROBBIE » Sat Sep 10, 2016 2:56 am

No need to replace
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