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Thread: Prevost fuel guage

  1. #1
    Join Date
    Sep 2017
    Location
    Greenfield
    Posts
    90

    Default Prevost fuel guage

    Is it possible to calibrate the fuel gauge on a 2001 XL45 Marathon? It reads 3/4 when actually full.

    Any advice will be appreciated.

    Cal

  2. #2
    Join Date
    May 2012
    Location
    Beverly Hills
    Posts
    4,652

    Default

    Cal,

    I'm not aware of a calibration procedure.

    I would determine where the problem is first. The sending unit can be checked by reading the impedance at the sending unit with a full tank. The sending unit can be accessed through a removable panel on the passenger side in the bay immediately in front of the filler. It's easier to check the sending unit at the terminal board just outside the driver's door (at least I think it's there on an XL-II). If this reading is correct its the gauge or wiring.

    I'm traveling our I'd look up your electrical drawing and give you more specifics.


    Gil and Durlene
    2003 H-3 Hoffman Conversion

  3. #3
    Join Date
    Sep 2017
    Location
    Greenfield
    Posts
    90

    Default

    Gil, I will check this out.

    Thanks Cal

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