Hey, folks, in the last few days, when I turn the key to engage the glow plugs, The buzzer sounds like it's got laryngitis, and sometimes cuts out completely, or goes off and on while it makes its sickly sound. Any suggestions on troubleshooting this? Thanks for any ideas.

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"Knowing is not enough, we must apply.
Willing is not enough, we must do." Goethe

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1951 Chevy 3100

2003 Indian Chief Roadmaster

1983 GMC 1 ton Dually

1982 Chevy 1 ton Dually, service body (sold)

'90 GMC Suburban 6.2 "SS Veg-Burban"
(single tank WVO\diesel conversion) SOLD

'81 300D ~ Mama's car...my job (now my car)(but still my job) SOLD

'83 300sd ~ rescue car SOLD

2005 Ford Taurus (Mama's new car)(NOT my job!)

low voltage at the battery?

or do up your safety belt first

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Cheers!
Scott McPhee

1987 300D

Wire snippers?

If it is the safety belt warning buzzer then there are 2 ways to fix it.

1) Easy way - belt up before turn on key
2) Proper way - there is a relay inside the under dash panel. IIRC, I think it is right above the hood release lever. It should be a 2" x 3" x 1" silver relay box.

Good luck.

__________________
Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.

The buzzer in my 300D is the same. Sounds awful. At some point the buzzer in my 240D was disconnected. I can't tell if this had any effect on any other car systems.