Tries to start when shut off

Discussion in 'Freightliner Forum' started by ibj50, Jan 14, 2017.

  1. Jan 14, 2017 #1
    ibj50

    ibj50 Bobtail Member

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    Jan 10, 2017
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    2012 Cascadia. If the power switch is not shut off when engine is shutdown it will randomly start cranking the motor for a few seconds and then stop for some minutes and then try again. It has burned up the small solenoid on the top of the starter. We have replaced the relay in the glove box and it went for a couple of days without doing it but has begun again. We bought a cable tracker but in reading the directions not sure we can use it without unhooking a bunch of connectors from the sam cab, anyone have experience using one of these to track down shorts or ?
     
    ibj50, Jan 14, 2017
    ibj50, Jan 14, 2017
    #1
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  3. Jan 14, 2017 #2
    tony97905

    tony97905 Road Train Member

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    Water intrusion into the Sam Cab module will cause this...they incorporated a plastic sheet over the top of it to prevent water from a leaking windshield seal to collect in the module. This scenario has also caused some "thermal events" on unoccupied trucks.
     
    tony97905, Jan 14, 2017
    tony97905, Jan 14, 2017
    #2
    magoo68, ibj50 and mhyn Thank this.
  4. Jan 15, 2017 #3
    mhyn

    mhyn Road Train Member

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    thermal events !!!!!!!!!!! liked it !!!!
     
    mhyn, Jan 15, 2017
    mhyn, Jan 15, 2017
    #3
    magoo68 Thanks this.
  5. Jan 16, 2017 #4
    ibj50

    ibj50 Bobtail Member

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    Do you know if the plastic sheet is available as an add on for the earlier models?
     
    ibj50, Jan 16, 2017
    ibj50, Jan 16, 2017
    #4
  7. Jan 16, 2017 #5
    Ridgeline

    Ridgeline Road Train Member

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    I would hazard to guess that anything that can deflect water off the unit will work.
     
    Ridgeline, Jan 16, 2017
    Ridgeline, Jan 16, 2017
    #5
  8. Jan 16, 2017 #6
    BoxCarKidd

    BoxCarKidd Road Train Member

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    They will fit, help and are more like an upside down bowl.
     
    BoxCarKidd, Jan 16, 2017
    BoxCarKidd, Jan 16, 2017
    #6
  9. May 6, 2017 #7
    Chubbytruckers

    Chubbytruckers Bobtail Member

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    May 6, 2017
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    I have a similar problem with my 1996 freighliner fld 120 it keeps attempting to start on its own .... should I look for the same solution the Sam cab module?
     
    Chubbytruckers, May 6, 2017
    Chubbytruckers, May 6, 2017
    #7
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