Dumb question maybe

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by JonJon78, Nov 30, 2020.

  1. JonJon78

    JonJon78 Road Train Member

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    Peterbilt 389. X15.

    My traction control light has been stuck on the past couple weeks. Scrolling through the fault code list it shows pressure sensor also. Are those correlated or am I looking at two separate issues?

    Surprised that my cruise control still works with the traction control light on....

    Thank you. 20201126_185402.jpg 20201126_185447.jpg
     
    Last edited: Nov 30, 2020
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  3. Goodysnap

    Goodysnap Road Train Member

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    Get bendix ACom hooked up. Possible ABS faults due to pressure transducers/ correlation. Be on the look out for any major air leaks, tractor trailer or other wise.
     
  4. "semi" retired

    "semi" retired Road Train Member

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    Piece of black duct tape. I drove a KW with "traction control", was a PITA. My "traction control" was my right foot. Whatever happened to that?
     
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  5. A5¢

    A5¢ Medium Load Member

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    Àh, the good ol days! Semi retired, do you remember when there was a switch to disable the front brakes? Now here's one for the advanced aged drivers...did you ever drive a truck that had a small steel flag drop out of the headliner, when the air pressure dropped?
     
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  6. REO6205

    REO6205 Trucker Forum STAFF Staff Member

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    I remember all that. Most of the trucks I started in on had no front brakes at all. The low air flag worked pretty well unless the holding pin got too worn and then it would flop part way down. A paperclip held it in place.
    My favorite was a 10 wheeler with no turn signals. On the upper rear outside of the cab there was a wig-wag arm that was attached by cable to a lever in the truck. It was how you signalled for a turn.
     
  7. AModelCat

    AModelCat Road Train Member

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    I'm hardly 3 decades old and know about all that stuff. My truck doesn't even have front brakes and it has 3 buttons for the park brakes!
     
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  8. A5¢

    A5¢ Medium Load Member

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    Trucks have come a long way over the decades. It's the regulations and emissions that have made them more difficult and expensive. Today's drivers cannot get away with the crap that we used to.
     
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  9. "semi" retired

    "semi" retired Road Train Member

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    I do, I drove an old IH that had a lever marked "Slippery/Dry road", 1st truck I drove, a '63 IH R190 dump truck had a "Wig-Wag". Going further back, ( before my time) there was a regulator for hooking up to 6volt trailers with a 12v tractor. Let's see, kerosene flare pots, brake alcohol injectors, vacuum trailer brakes, oh yeah, we've come a long ways,,,kind of.
     
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