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backup lights...DEAD!

Discussion in 'Peterbilt Forum' started by bigdawgtrucker51, Jan 8, 2015.

  1. Jan 8, 2015 #1
    bigdawgtrucker51

    bigdawgtrucker51 Bobtail Member

    5
    4
    Jan 8, 2015
    Huntsville,TX
    0
    OK, so here is my issue. I have a 99 Pete 379 with a cummins n14. I have replaced the backup light switch and i am still getting no power to it. I need help, is there a fuse or something i am missing here. I am about up the wall with this. Any help would be greatly appreciated.
     
    bigdawgtrucker51, Jan 8, 2015
    bigdawgtrucker51, Jan 8, 2015
    #1
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  3. Jan 8, 2015 #2
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,780
    1,726
    Jun 14, 2009
    romulus,mi
    0
    most OEM's share power to the back up light switch with the air dryer heater power.See if you have 12 volts at 2 pin harness at air dryer.If not,you are on the correct path to repair.good luck.
     
    QUALITYTRUCK, Jan 8, 2015
    QUALITYTRUCK, Jan 8, 2015
    #2
  4. Jan 8, 2015 #3
    bigdawgtrucker51

    bigdawgtrucker51 Bobtail Member

    5
    4
    Jan 8, 2015
    Huntsville,TX
    0
    and if i do have power at the air dryer then what? and if i don't is there a fuse?
     
    bigdawgtrucker51, Jan 8, 2015
    bigdawgtrucker51, Jan 8, 2015
    #3
  5. Jan 8, 2015 #4
    4x4_Welder

    4x4_Welder Medium Load Member

    300
    213
    Sep 16, 2014
    Eastern Orygun
    0
    I just went through this with a 2008 388. The reverse light power came from a fuse marked "Spare Accessory", so make sure all your fuses are in and good. On that particular truck, someone pulled the fuse out for whatever reason. When I put the new one in, it was fine.
     
    4x4_Welder, Jan 8, 2015
    4x4_Welder, Jan 8, 2015
    #4
  7. Jan 9, 2015 #5
    bigdawgtrucker51

    bigdawgtrucker51 Bobtail Member

    5
    4
    Jan 8, 2015
    Huntsville,TX
    0
    all right i will check all the fuses this weekend. anyone else have any suggestions?
     
    bigdawgtrucker51, Jan 9, 2015
    bigdawgtrucker51, Jan 9, 2015
    #5
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