Freightliner M2 Low Air Pressure Switch Location

If you re stumped here s what i d do fwiw.

Freightliner m2 low air pressure switch location.

Release the parking brake. 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. It is normally open at 0 79 psi and.

Even if the tanks are located in one place they are still 2 separate systems. There were no fault codes. Customer stated the driver was getting a message on the dash stating park brake air low brakes may drag. Freightliner switches pressure business class cascadia century class columbia coronado fl series and sprinter delivery vans.

Apply and hold the service brake and watch the air gauge if the air starts dropping you ve got a leak. Control switch discharge air sensor main aux w oe boa91593. This switch can be tested. The low air buzzer would come on yet still maintain 125 psi.

Let the coach come up to full air pressure and shut it down. Chock the wheels very well. New location is back wall behind driver s seat. If the driver did a very hard stop the air buzzer would shut off.

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. Low pressure normally open opens 6 closes 34.