Warning buzzer

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Kurt - 12 Jan 2007 12:21 GMT

Earlier in the week my 87 300SDL began buzzing at me intermittently.
The circumstances are that the buzzer sounds when brakes are applied,
but not all the time. I have no warning lights that come on (assuming
that all of them do work). So my question is what alert uses a buzzer
other than the seat belt or SRS? Any ideas will be appreciated.

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Cheers,
Kurt

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me - 12 Jan 2007 14:47 GMT

> Earlier in the week my 87 300SDL began buzzing at me intermittently.
> The circumstances are that the buzzer sounds when brakes are
[quoted text clipped - 4 lines]
> buzzer
> other than the seat belt or SRS? Any ideas will be appreciated.

Fuses are bad. Replace them.

If you spin them in their holders they will likely work for a while,
but invariably corrosion will cause resistance and when a large
current draw such as the brake lights occurs electrical malfunctions
such as the buzzer will manifest.

I ended up putting a *very light* coat of di-electric grease on the
ends of copper (not aluminum) fuses and problems such as these went
away for the rest of the time I owned the car.

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Kurt - 12 Jan 2007 15:24 GMT

>> Earlier in the week my 87 300SDL began buzzing at me intermittently.
>> The circumstances are that the buzzer sounds when brakes are
[quoted text clipped - 15 lines]
> ends of copper (not aluminum) fuses and problems such as these went
> away for the rest of the time I owned the car.

Makes sense. Thanks. Just happen to have a packette of dielectric
grease and a couple of sets of new fuses.

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Cheers,
Kurt

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