Where is the air pressure sensor?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by PurplePete, Apr 15, 2012.

  1. PurplePete

    PurplePete Light Load Member

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    Nov 15, 2011
    Tyler, Mn
    0
    I have a 99 379 Pete, the low air warning won't shut off at 120 lbs. Is it located on the air dryer, or where is it?
     
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  3. MNdriver

    MNdriver Road Train Member

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    Feb 24, 2012
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    I thought they were on the air tanks.
     
  4. SL3406

    SL3406 Medium Load Member

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    1,502
    Jan 10, 2011
    Oklahoma
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    Take off the plastic panels under the dash. The sensors are in a aluminum air block mounted on the floor just to the left of the steering column.
     
  5. maxicruise

    maxicruise Light Load Member

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    19
    Aug 11, 2010
    Illinois
    0
    There are two aluminum blocks down there. They each have a low air sensor, one for the primary and another for the secondary. Look at the tags on the wiring.
     
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