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No turns or hazards

Discussion in 'Peterbilt Forum' started by Kensrig, Feb 5, 2022.

  1. Feb 5, 2022 #1
    Kensrig

    Kensrig Bobtail Member

    6
    3
    Feb 5, 2022
    Florida
    0
    I lost turns and hazards out of no where. I've removed the breaker/fuse and cleaned the ends but nothing.. no click on either. Not sure where to look next.
     
    Kensrig, Feb 5, 2022
    Kensrig, Feb 5, 2022
    #1
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  3. Feb 6, 2022 #2
    Bean Jr.

    Bean Jr. Road Train Member

    5,517
    9,823
    Mar 30, 2014
    0
    Flasher module or relay.
     
    Bean Jr., Feb 6, 2022
    Bean Jr., Feb 6, 2022
    #2
    Cattleman84 and Malt Ball Cult Thank this.
  4. Feb 6, 2022 #3
    Kensrig

    Kensrig Bobtail Member

    6
    3
    Feb 5, 2022
    Florida
    0
    Any assistance with location of those?
     
    Kensrig, Feb 6, 2022
    Kensrig, Feb 6, 2022
    #3
  5. Feb 6, 2022 #4
    Bean Jr.

    Bean Jr. Road Train Member

    5,517
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    Mar 30, 2014
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    Depends by truck. Mine is in the left panel of dash
     
    Bean Jr., Feb 6, 2022
    Bean Jr., Feb 6, 2022
    #4
  7. Feb 6, 2022 #5
    Kensrig

    Kensrig Bobtail Member

    6
    3
    Feb 5, 2022
    Florida
    0
    I looked up the part and I don't see it. Was told by a local mechanic that it could be the multifunctional switch. I took it off and took it apart and don't see anything broken or not in the right place. It has 12v.. has ground.. not exactly sure how they work tho..
     

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    Kensrig, Feb 6, 2022
    Kensrig, Feb 6, 2022
    #5
    Bean Jr. Thanks this.
  8. Feb 6, 2022 #6
    Bean Jr.

    Bean Jr. Road Train Member

    5,517
    9,823
    Mar 30, 2014
    0
    Alright, let me tag a mechanic. @AModelCat ought to be able to help.
     
    Bean Jr., Feb 6, 2022
    Bean Jr., Feb 6, 2022
    #6
    AModelCat Thanks this.
  9. Feb 6, 2022 #7
    AModelCat

    AModelCat Road Train Member

    29,297
    160,456
    Jul 7, 2015
    Canuckistan
    0
    I wouldn't even know where to start. Never worked on a Peterbilt. If I had to take a stab at it I'd verify power into/out of the fuse. Verify it at the switch and verify its coming out of the switch. Basically just keep moving along the circuit until I lost power.
     
    AModelCat, Feb 6, 2022
    AModelCat, Feb 6, 2022
    #7
    Sirscrapntruckalot and Bean Jr. Thank this.
  10. Feb 12, 2022 #8
    Kensrig

    Kensrig Bobtail Member

    6
    3
    Feb 5, 2022
    Florida
    0
    I checked everything again. Power in the right places. Ended up being the relay. I replaced it and all is good with the signals.
    Thanks everyone for the help.
     
    Kensrig, Feb 12, 2022
    Kensrig, Feb 12, 2022
    #8
    260REM and Bean Jr. Thank this.
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