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13 GMC 2500/ Boss SD - outside temp reading way off with plow connected

Discussion in 'Truck & Equipment Repair' started by greensidelg, Dec 9, 2013.

  1. greensidelg

    greensidelg Junior Member
    from CT
    Messages: 19

    I have a 2013 GMC 2500HD with a new Boss Super Duty 8' Straight Blade Plow. When the plow is connected the outside temperature on the dash reads very high...today with temps in the low 30's it was reading anywhere between 70-80f. For a short time it read in the 40's but quickly jumped up. Has anyone experienced this before or does anyone have any idea why this is happening?

    Thanks!
     
  2. South Seneca

    South Seneca Senior Member
    Messages: 474

    The outside temp sensor is in the grill area. with the plow on it disturbs air flow through the grill so heat from the radiator effects the temp reading. Even my 2001 does it.
     
  3. greensidelg

    greensidelg Junior Member
    from CT
    Messages: 19

    Thanks, I appreciate the info. I had a feeling that might be the case. What a pain in the neck, the outside temp is nice info to have when plowing!
     
  4. South Seneca

    South Seneca Senior Member
    Messages: 474

    That same disturbed air flow causes some trucks to overheat, especially when climbing hills etc.
     
  5. SnowGuy73

    SnowGuy73 PlowSite Fanatic
    Messages: 24,868

    I had that problem with 1998, 2001, 2003, 2005, 2007, and my 2013 Silverado.

    I which they would fix it, its nice to know the air temp for record keeping and ice management.
     
  6. greensidelg

    greensidelg Junior Member
    from CT
    Messages: 19

    I wonder if it's possible/reasonably simple to relocate the sensor.
     
  7. SnowGuy73

    SnowGuy73 PlowSite Fanatic
    Messages: 24,868

    Not sure, as I never really looked.
     
  8. blizzardsnow

    blizzardsnow Member
    Messages: 83

    Mine will often return to normal after plowing in the lot for a bit because the plow stays down long enough to lower the temp readout. But if you were hoping to enter the data right after you pull in from driving you're gonna be dissapointed.
     
  9. greensidelg

    greensidelg Junior Member
    from CT
    Messages: 19

    Thanks again for the input guys. If I get a chance I'll check into relocating the sensor and let you know what I find out. Happy plowing