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load gauge

Discussion in 'Peterbilt Forum' started by WREN, Aug 30, 2020.

Page 1 of 2
  1. Aug 30, 2020 #1
    WREN

    WREN Medium Load Member

    378
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    Jul 17, 2017
    Florida panhandle
    0
    Hey guys, just picked up my 02 379. It has a full gauge package but is missing a load gauge in the gauges. Anyone know if they are prewired/plumed already or would I need to add everything?
     
    WREN, Aug 30, 2020
    WREN, Aug 30, 2020
    #1
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  3. Aug 30, 2020 #2
    NightWind

    NightWind Road Train Member

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    Nov 11, 2006
    Sunny South, AL
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    You'll more than likely have to plumb it. Peterbilt doesn't do anything that makes since.
     
    NightWind, Aug 30, 2020
    NightWind, Aug 30, 2020
    #2
    Dino soar, bonder45, D.Tibbitt and 1 other person Thank this.
  4. Aug 30, 2020 #3
    201

    201 Road Train Member

    12,047
    24,588
    Apr 16, 2014
    high plains colorado
    0
    No load gauge on a 379? By golly, that's a new one. All large cars have load gauges, or should. It's why you hardly ever see one at a scale. Easy, just run a pressure gauge off your supply to the air bags.
     
    201, Aug 30, 2020
    201, Aug 30, 2020
    #3
    D.Tibbitt, magoo68, WREN and 1 other person Thank this.
  5. Aug 30, 2020 #4
    pushbroom

    pushbroom Road Train Member

    1,777
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    Sep 1, 2012
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    Load gauge is only there if ordered by the customer. You can get trucks with just the base gauges around the speedo and nothing else. All depends how it was specced
     
    pushbroom, Aug 30, 2020
    pushbroom, Aug 30, 2020
    #4
    WREN Thanks this.
  7. Aug 30, 2020 #5
    blairandgretchen

    blairandgretchen Road Train Member

    13,216
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    Dec 9, 2011
    South west Missouri
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    I put in a small Right Weigh on mine, ran a single air line to the bags. 1995.
     
    blairandgretchen, Aug 30, 2020
    blairandgretchen, Aug 30, 2020
    #5
    WREN Thanks this.
  8. Aug 30, 2020 #6
    WREN

    WREN Medium Load Member

    378
    239
    Jul 17, 2017
    Florida panhandle
    0
    It may have one now that I went back out and looked. Just doesnt say suspension load just air pressure. There are two of them that look the same so I think one is for applied brake pressure and the other is suspension. I'm going to set something on it to see if it moves any.
     
    WREN, Aug 30, 2020
    WREN, Aug 30, 2020
    #6
  9. Aug 30, 2020 #7
    blairandgretchen

    blairandgretchen Road Train Member

    13,216
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    Dec 9, 2011
    South west Missouri
    0
    Take a picture - let’s see!
     
    blairandgretchen, Aug 30, 2020
    blairandgretchen, Aug 30, 2020
    #7
  10. Aug 30, 2020 #8
    WREN

    WREN Medium Load Member

    378
    239
    Jul 17, 2017
    Florida panhandle
    0
    Here ya go. This truck has a lot of extra stuff on the ### end so I have to figure it all out
     

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    WREN, Aug 30, 2020
    WREN, Aug 30, 2020
    #8
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  11. Aug 30, 2020 #9
    Bernard D

    Bernard D Heavy Haul Member

    104
    27
    Jun 27, 2020
    0
    Just add a guage and air lines to an air bag libe and put guage betwedn cab and trailer if you want or run air line ti dash guage .
     
    Bernard D, Aug 30, 2020
    Bernard D, Aug 30, 2020
    #9
  12. Aug 30, 2020 #10
    Roberts450

    Roberts450 Road Train Member

    2,237
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    Feb 6, 2016
    0
    2AD41D58-FF4D-45B0-B282-A35976C9AF8C.jpeg Since this air pressure gauge is reading 20ish psi then it is most likely the suspension gauge as thats about where they sit when unloaded. If you have a suspension dump switch, hit it and see if that gauge drops to 0 as the suspension deflates.
     
    Roberts450, Aug 30, 2020
    Roberts450, Aug 30, 2020
    #10
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