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Freightliner m2 low air pressure switch location.
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2005 freightliner m2 low air pressure lamp and buzzer stays on all the time found 2 wire plug on amu disconnected replugged and also jumped with no change is there another low pressure switch.
It is normally open at 0 79 psi and.
Freightliner switches pressure business class cascadia century class columbia coronado fl series and sprinter delivery vans.
Even if the tanks are located in one place they are still 2 separate systems.
This switch can be tested.
There were no fault codes.
Control switch discharge air sensor main aux w oe boa91593.
New location is back wall behind driver s seat.
If you re stumped here s what i d do fwiw.
Customer stated the driver was getting a message on the dash stating park brake air low brakes may drag.
Release the parking brake.
Low pressure normally open opens 6 closes 34.
If the driver did a very hard stop the air buzzer would shut off.
Park brake switch low air pressure switch engine ecu throttle pedal bulkhead module.
Let the coach come up to full air pressure and shut it down.
2005 freightliner m2 low air pressure lamp and buzzer stays on all the time found 2 wire plug on amu disconnected replugged and also jumped with no change is there another low pressure switch.
Chock the wheels very well.