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Hi my name is Robert...
This is a tough one, probably not the jacks as the down light would be on. From my experience this is going to be an alarm for the parking brake or low air alarm. Does not mean there is an actual issue but the sensor has failed causing the audible alarm to go off. Each sensor will have 12 volt wires and air lines going to it, the parking brake sensor is normally located below the pull handle manifold and the tank sensors are normally near the tanks, I would inspect what you can, make sure any sensors on the tanks the wires are not corroded or loose, have seen some where they will only go off when it rains because off not using weather proof connectors, mainly that would be the sensors for the tanks as they are exposed to the elements. You might need to get a shop involved to troubleshoot some more. I am not aware of anyway to bypass the alarm.... Hope this helps some.... Robert
I am not aware of anyway to bypass the alarm, if all your gauges are in range then it should be find to drive. You might run the risk of shorting something out or causing another issue unplugging any sensors.... I would think a Freightliner shop would pick up the problem right away...
IF you are satisfied with my efforts please feel free to select a rating at the top of the page, it is the only way I get credit for helping... Robert
Sounds good... I am around daily and respond when I can.,..
Have a great weekend!! Robert
Hi.... Was just checking in to see if my answer helped??? IF you have more questions or concerns please feel free to contact me...