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Brake Lights Won't Turn off

Discussion in 'Trucks [ Eighteen Wheelers ]' started by OldRed98, Jul 4, 2017.

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  1. Jul 4, 2017 #1
    OldRed98

    OldRed98 Light Load Member

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    Apr 18, 2017
    Colorado
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    Got my 98 W900 back from the shop and suddenly my brake lights are getting stuck on. I'm hoping someone can give me a quick pointer on troubleshooting because I'm supposed to be heading for Texas tomorrow.

    I found an old post.... So I ran all of the air out of my system and the brake lights turn off. I assume this is the foot pedal valve causing the problem. What would be the best fix? Just clean the plunger?


     
    OldRed98, Jul 4, 2017
    OldRed98, Jul 4, 2017
    #1
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  3. Jul 4, 2017 #2
    uncleal13

    uncleal13 Road Train Member

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    Maybe shoot some lubricant in there to get you by until you can change it out.
     
    uncleal13, Jul 4, 2017
    uncleal13, Jul 4, 2017
    #2
  4. Jul 4, 2017 #3
    Heavyd

    Heavyd Road Train Member

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    Is the spike handle down slightly?
     
    Heavyd, Jul 4, 2017
    Heavyd, Jul 4, 2017
    #3
    joey8686, OldRed98 and Mudguppy Thank this.
  5. Jul 4, 2017 #4
    Mudguppy

    Mudguppy Degenerate Immoralist

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    Wooley Swamp
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    This was my first thought too
    Make sure your trolley brake handle didn't accidentally get pulled down a little bit. You'd be surprised how just catching your shirt or whatever when going to climb out can pull it down just enough to make the lights come on.
     
    Mudguppy, Jul 4, 2017
    Mudguppy, Jul 4, 2017
    #4
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  7. Jul 11, 2017 #5
    OldRed98

    OldRed98 Light Load Member

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    Apr 18, 2017
    Colorado
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    Trolly brake it was!!! Just barely clicked on. Thank you guys for your help! Glad that was an easy fix.

    Made my successful run down through Houston, up to Kansas City, and back to Colorado. Only ended up smashing a deer on I70 (Luckily only bent my old front bump and blood all over one side). Got a flat on the trailer and my AC died... Rough run but I made it back safe at least.
     
    OldRed98, Jul 11, 2017
    OldRed98, Jul 11, 2017
    #5
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  8. Jul 11, 2017 #6
    I glide 47

    I glide 47 Road Train Member

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    Sending bill for diagnostic 399.87 plus tax environmental fee plus shop supplies plus service fee and. Many more fees. Thanks for your business
     
    I glide 47, Jul 11, 2017
    I glide 47, Jul 11, 2017
    #6
    Oxbow, Lumper Humper and OldRed98 Thank this.
  9. Jul 11, 2017 #7
    OldRed98

    OldRed98 Light Load Member

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    Apr 18, 2017
    Colorado
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    Haha!! Isn't that the truth!!! Dang shops... I think I'm in the wrong business
     
    OldRed98, Jul 11, 2017
    OldRed98, Jul 11, 2017
    #7
    Lumper Humper Thanks this.
  10. Jul 11, 2017 #8
    Heavyd

    Heavyd Road Train Member

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    Not a joke. I've been called out for trailer brakes that will not release, that's a service call. Drive up and see the brakes lights on. Shake my head!!! So yes, it could easily be a few hundred in that case!
     
    Heavyd, Jul 11, 2017
    Heavyd, Jul 11, 2017
    #8
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  11. Jul 11, 2017 #9
    OldRed98

    OldRed98 Light Load Member

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    Colorado
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    Yeah, you have to get paid for your time to travel out. There's a time and expense for you to go on a call. And if you are in my part of the woods the going rate is $180 an hour + $.75 per mile too and from the location.

    Dude with TA who came to fix my flat tire in Missouri was totally cool (and fairly cheap). Valve stem came loose and leaked out the air on my trailer (Luckily went flat when I was parked in a parking lot and empty). Only cost $110 for him to come out (new valve stem and air).

    That's why I post my stupid issue here first. I'd rather you all point out a stupid mistake than have to pay someone to come tell me my trolley brake got bumped on. :D
     
    OldRed98, Jul 11, 2017
    OldRed98, Jul 11, 2017
    #9
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  12. Jul 11, 2017 #10
    Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    Another common cause for me at least in dump trucks and transporting equipment, in and out onto dirt and mud all day is mud, or a 'large small' rock will get caught between the floor mat and the bottom of the brake pedal.

    A guy can try to keep up with it but every so often you'll be cruising along through town, truck will feel a little doggy and all of a sudden you smell hot brakes, realize it's you, look down and realize you're dragging about 10 pounds of pressure on your brakes, and find yourself alongside the road in front of God and everybody cleaning your truck's floor mats out!
     
    Caterpillar Cowboy, Jul 11, 2017
    Caterpillar Cowboy, Jul 11, 2017
    #10
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