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What are these switches for?

Discussion in 'Experienced Truckers' Advice' started by BedHead, Nov 3, 2022.

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  1. Nov 3, 2022 #11
    Dale thompson

    Dale thompson Road Train Member

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    . I’m thinking this is the winner.
     
    Dale thompson, Nov 3, 2022
    Dale thompson, Nov 3, 2022
    #11
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  3. Nov 3, 2022 #12
    BedHead

    BedHead Light Load Member

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    Do low boys have dump axles?
     
    BedHead, Nov 3, 2022
    BedHead, Nov 3, 2022
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  4. Nov 3, 2022 #13
    GYPSY65

    GYPSY65 Road Train Member

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    Do you have a green and yellow cord?

    I run two cords and have a lift axle and dump axle on my trailer wires into the yellow cord

    A test light at the cords would answer that pretty quickly
     
    GYPSY65, Nov 3, 2022
    GYPSY65, Nov 3, 2022
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  5. Nov 3, 2022 #14
    lester

    lester Midwest's #1 Feed Hauler

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    Very well could. You can put air dumps on anything with air suspension.
    Do you have an extra cord on the back of your truck? Or an extra plug to put one in? If yes get the test light out
     
    lester, Nov 3, 2022
    lester, Nov 3, 2022
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  7. Nov 3, 2022 #15
    BedHead

    BedHead Light Load Member

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    Attached Files:

    BedHead, Nov 3, 2022
    BedHead, Nov 3, 2022
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  8. Nov 3, 2022 #16
    olddog_newtricks

    olddog_newtricks Medium Load Member

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    They prevent your Autobot from being able to transform.
     
    olddog_newtricks, Nov 3, 2022
    olddog_newtricks, Nov 3, 2022
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  9. Nov 3, 2022 #17
    North Pole Nightmare

    North Pole Nightmare Heavy Load Member

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    I looked up the diagram,it's trailer suspension dump switches.Use it to dump the trailer suspension air before lowering landing gear when unhooking.
    Most trailers dump the air when you park,but not all.
    Someone must have spec'd those switches when they built the truck.
     
    North Pole Nightmare, Nov 3, 2022
    North Pole Nightmare, Nov 3, 2022
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  10. Nov 3, 2022 #18
    BedHead

    BedHead Light Load Member

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    Where did you find the info?
     
    BedHead, Nov 3, 2022
    BedHead, Nov 3, 2022
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  11. Nov 3, 2022 #19
    GYPSY65

    GYPSY65 Road Train Member

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    Looks like in that pic you have a spot for a 2nd cord
    Test those with the switch and I’d bet two separate pins will light up
    One for each switch you power on
     
    Last edited: Nov 4, 2022
    GYPSY65, Nov 3, 2022
    GYPSY65, Nov 3, 2022
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  12. Nov 3, 2022 #20
    BedHead

    BedHead Light Load Member

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    I dont have a tester but when i find one i will try it.
     
    BedHead, Nov 3, 2022
    BedHead, Nov 3, 2022
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