Freightliner M2 Low Air Pressure Switch Location

Control switch discharge air sensor main aux w oe boa91593.

Freightliner m2 low air pressure switch location. Customer stated the driver was getting a message on the dash stating park brake air low brakes may drag. There were no fault codes. If you re stumped here s what i d do fwiw. It is normally open at 0 79 psi and.

This switch can be tested. New location is back wall behind driver s seat. The low air buzzer would come on yet still maintain 125 psi. 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.

Even if the tanks are located in one place they are still 2 separate systems. Low pressure normally open opens 6 closes 34. Vin read more. Apply and hold the service brake and watch the air gauge if the air starts dropping you ve got a leak.

The resolution ended up being to replace the brake drag switch. 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. Let the coach come up to full air pressure and shut it down. Park brake switch low air pressure switch engine ecu throttle pedal bulkhead module.

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