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cab clearance lights constantly on

Discussion in 'Peterbilt Forum' started by IrishDoc, Oct 30, 2013.

  1. Oct 30, 2013 #1
    IrishDoc

    IrishDoc Bobtail Member

    11
    2
    Jul 11, 2013
    0
    I'm posting this question for a friend. He has a 2013 386 and his clearance lights on the cab stay on when the key is in either of the two on positions even though the clearance light switch is off. All other marker lights are off on the truck and trailer and work with the switch. Any suggestions? ??

    He also wants to find out how to turn off the daytime (driving) lights that come on when he pushes his brake valve in.

    Thanks for the help in advance.
     
    IrishDoc, Oct 30, 2013
    IrishDoc, Oct 30, 2013
    #1
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  3. Oct 31, 2013 #2
    062

    062 Road Train Member

    6,142
    33,155
    Oct 20, 2013
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    Not sure on a truck that new,but have seen old relays weld themselves shut.as for day time lights,will be a fuse or relay just pull it,or wire through switch.
     
    062, Oct 31, 2013
    062, Oct 31, 2013
    #2
  4. Oct 31, 2013 #3
    Gilro70

    Gilro70 Bobtail Member

    24
    8
    Dec 26, 2011
    Maryland
    0
    Those day time lights are designed to be on shutting them off would just make them lights...defeats their purpose
     
    Gilro70, Oct 31, 2013
    Gilro70, Oct 31, 2013
    #3
  5. Oct 31, 2013 #4
    special-k

    special-k Road Train Member

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    Dec 27, 2008
    Southern Ontario Canada
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    Day time running lights usually have a dedicated fuse for them that you can unplug. Don't forget an overzealous dot can give you a hard time for not having them. The clearance lights sound like a short. No warranty on a 2013?
     
    special-k, Oct 31, 2013
    special-k, Oct 31, 2013
    #4
  7. Oct 31, 2013 #5
    IrishDoc

    IrishDoc Bobtail Member

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    Jul 11, 2013
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    Yeah he has a warranty on it but he was hoping to do it his self quick without having to waste time at a dealership.
     
    IrishDoc, Oct 31, 2013
    IrishDoc, Oct 31, 2013
    #5
  8. Oct 31, 2013 #6
    white wolf

    white wolf Light Load Member

    287
    131
    Jul 1, 2013
    minneeessoooota
    0
    As far as the clearence lights I would just call a dealer maybe its a saftey feature or it could be a open circut due to a electrical malfunction maybe test the switch circut to see if it stays in the open position
     
    white wolf, Oct 31, 2013
    white wolf, Oct 31, 2013
    #6
  9. Nov 9, 2013 #7
    IrishDoc

    IrishDoc Bobtail Member

    11
    2
    Jul 11, 2013
    0
    ok clearance lights are fixed. It was one of the relays (behind the gauges) and the dash switch was bad also. But neither of us can figure out which fuse controls the daylight running lights. The fuse box under the hood lists things like pwr-g8 and so on. We can't seem to locate a break down of what those descriptions mean. Can anyone help with this?
     
    IrishDoc, Nov 9, 2013
    IrishDoc, Nov 9, 2013
    #7
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