So I was replacing the bulbs in my warning light cluster and like a dummy I left the key on while trying to put it back in place. Long story short, the low air pressure buzzer was working and when I went to put the cluster back in the dash I grounded out the buzzer and it quit working. Is there a fuse or relay for this thing somewhere? Its a 1999 379. Thanks.
Peterbilt 379 Low Air Pressure Buzzer
Discussion in 'Trucks [ Eighteen Wheelers ]' started by chr1s427, May 12, 2012.
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I don't belive there is a fuse just for the buzzer you Probly burned out the circuit board pretty common on the styled dash you have while putting the dash back in with the key on ate any other things not working like earning lites and such?
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Well the warning lights still work. Just no buzzer. I took it apart because the low air light wasn't working. It works now but the buzzer doesn't. Lol. Any chance to repair this thing or is it one of those goto a salvage yard and get another?
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same thing happened to me. it was a blown fuse. don't spend what I did to find that out. check all fuses. I have a intl, so cannot help you with location of fuse, but my bet, is, it is just a fuse, not anything more.
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I checked all the fuses in the left kick panel. Not sure if there are more somewhere else.
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check this schematic out.
http://www.supermiller.com/pdf/sk25762.pdfAnneK Thanks this. -
this one is the entire electrical schematic for any 379 built before 2001
http://supermiller.com/pdf/P94-6016.pdf
and here is the fuse panel for a 99 379 Pete
blairandgretchen and AnneK Thank this. -
Thank you very much! I will check out the schematics when I get home!
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Looks like the panel itself is smoked. I can jumper power to the buzzer and it works but it doesn't work when I plug the 3 wire plug into it. Anybody got a line on some used parts? Need a warning lamp module PN 17-04120
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That happens more than you would think we A handful of them every month
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