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Moparmike

Low air buzzer

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My low air buzzer stop working but the light still works is there a buzzer in the dash on a circuit board ..my freightliner has a replaceable hoping the Mack does too..

2000 rd688 

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Should be a buzzer relay in fuse panel. 

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On a RD with an ETECH. there is usually a multi-buzzer that does many functions and and is located by the driver side door post below the dash. 

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Any pics of it..i see a switch on my firewall by the clutch with 3 wires going to it..

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I'm thinking its not on firewall . it's a black box mounted on the back side of the metal  support bar that runs from the dash to the door post where the door hinges as on the driver side. It also does the turn signal clicking and power divider buzzing when engaged and engine shutdown buzzer 

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