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sleeper trouble!!

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mccarrolltrucking, Oct 21, 2012.

  1. Oct 21, 2012 #1
    mccarrolltrucking

    mccarrolltrucking Bobtail Member

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    Oct 21, 2012
    0
    I read one other comment on hear about a guy that had a 2005 Peterbilt 379 that had a problem with the sleeper interior light kept coming on by itself. Just wondering if anyone else has had this problem? I have a 2005 Pete as well, I bought the truck with only 186,000 miles on it and it has been an awesome truck expect for the light in the sleeper problem, which just started about 5 months ago. Now I also have a problem with my fan switch in the sleeper, its not blowing air out of the back. Long story short I've ripped all the siding apart in the closet area and no wires look bad or anything, fuses are good, relays are working.... Not really sure what to think about the whole thing. Any help with any similar problems would be greatly appreciated!! I wonder if it is a 2005 379 problem? THANKS!!
     
    mccarrolltrucking, Oct 21, 2012
    mccarrolltrucking, Oct 21, 2012
    #1
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  3. Oct 22, 2012 #2
    kalh7

    kalh7 Light Load Member

    186
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    Mar 28, 2007
    southern illinois
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    Have you checked to make sure the blower motor for the bunk is getting power or not? It's under the bed on the drivers side.
     
    kalh7, Oct 22, 2012
    kalh7, Oct 22, 2012
    #2
  4. Oct 22, 2012 #3
    mccarrolltrucking

    mccarrolltrucking Bobtail Member

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    Oct 21, 2012
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    I have checked the power going to the blower motor, what's really strange is when the bunk switch is off there is power to the motor but it doesn't run and if the switch is on there is no power to the motor?? Anyway that's the story so far
     
    mccarrolltrucking, Oct 22, 2012
    mccarrolltrucking, Oct 22, 2012
    #3
  5. Oct 28, 2012 #4
    Freightlinerbob

    Freightlinerbob Road Train Member

    2,234
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    Jan 15, 2012
    West Coast B.C.
    0
    Better call George on Coast to Coast. Maybe your truck is possessed. LOL
     
    Freightlinerbob, Oct 28, 2012
    Freightlinerbob, Oct 28, 2012
    #4
  7. Oct 29, 2012 #5
    mccarrolltrucking

    mccarrolltrucking Bobtail Member

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    Oct 21, 2012
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    Hahahaha!! That's what my buddy kept telling me especially when the sleeper light was turning on in the middle of the night by itself!!
     
    mccarrolltrucking, Oct 29, 2012
    mccarrolltrucking, Oct 29, 2012
    #5
  8. Oct 30, 2012 #6
    bubbanbrenda

    bubbanbrenda Road Train Member

    1,388
    650
    Feb 27, 2011
    Middletown,Oh.
    0
    I had a similar (not exact) acting '05 T-600, I too pulled everything out (including most of my hair) and everything checked fine, out of desperation I unplugged BOTH large red cables going into the low voltage cut off and plugged them into each other and all of my electrical demons in the bunk went away.
     
    bubbanbrenda, Oct 30, 2012
    bubbanbrenda, Oct 30, 2012
    #6
  9. Nov 2, 2012 #7
    ruralcruiser007

    ruralcruiser007 Bobtail Member

    1
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    Oct 21, 2012
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    I have had the same problem with my truck also. It is older but the principles are the same. Had power to to the blower but no operation. Found that the bunk relay for the unit is ground switching. Cleaned the connections on the relay and all was good.

    Now with what I have read, with having power to the heater till the rear heat is on, I would look into the relay having a bad connection.

    WTH, easy to diag over the internet, but in person it is very trying.


    HTH
     
    ruralcruiser007, Nov 2, 2012
    ruralcruiser007, Nov 2, 2012
    #7
  10. Nov 2, 2012 #8
    power freak

    power freak Light Load Member

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    Apr 23, 2009
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    Look in the dash for melted connections had a 08 Pete do the same thing with the bunk light coming on by itself ended up being a corroded and melted connection in the dash going to the bunk light switch on the dash. A leaking windshield was the root cause of the problem.
     
    power freak, Nov 2, 2012
    power freak, Nov 2, 2012
    #8
  11. Nov 5, 2012 #9
    mccarrolltrucking

    mccarrolltrucking Bobtail Member

    18
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    Oct 21, 2012
    0
    Cool thanks for the help, I ended up checking the connectors that link the power from the cab to the sleeper behind the passenger side seat and found that the connection there was bad, it had become all corroded and stuff. Anyway I cleaned it and popped it back together and it works great!! Thanks for all the advice and help makes mechanic work 10 times easier!!
     
    mccarrolltrucking, Nov 5, 2012
    mccarrolltrucking, Nov 5, 2012
    #9
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