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Will this Battery kill switch work on a semi truck?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Alexp2686, Aug 25, 2022.

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  1. Aug 25, 2022 #1
    Alexp2686

    Alexp2686 Light Load Member

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    I have a peterbilt 587, I. Changing all 4 batteries tomorrow and i need to install a kill switch. Will the one on the pic work for semis?
     

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    Alexp2686, Aug 25, 2022
    Alexp2686, Aug 25, 2022
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  3. Aug 25, 2022 #2
    tscottme

    tscottme Road Train Member

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    tscottme, Aug 25, 2022
    tscottme, Aug 25, 2022
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  4. Aug 25, 2022 #3
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    No, that's for a post style. You need something for a stud. And it's got to handle the amperage. What's it rated for?

    Personally, i would never mount one at the batteries. Mount it remote and break the ground.
     
    Big Road Skateboard, Aug 25, 2022
    Big Road Skateboard, Aug 25, 2022
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  5. Aug 25, 2022 #4
    ZVar

    ZVar Road Train Member

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    ZVar, Aug 25, 2022
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  7. Aug 25, 2022 #5
    062

    062 Road Train Member

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    I don’t think it has enough amperage capacity. I don’t know what the amp draw is for your truck, but I would guess close to 200a
    @Goodysnap @spsauerland
     
    062, Aug 25, 2022
    062, Aug 25, 2022
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  8. Aug 25, 2022 #6
    062

    062 Road Train Member

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    That’s at 48v. Amperage increases as voltage decreases. So I if I remember right it’s a little over 100a at 12v.
     
    062, Aug 25, 2022
    062, Aug 25, 2022
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  9. Aug 25, 2022 #7
    AModelCat

    AModelCat Road Train Member

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    AModelCat, Aug 25, 2022
    AModelCat, Aug 25, 2022
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  10. Aug 25, 2022 #8
    Alexp2686

    Alexp2686 Light Load Member

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    Thank you all for the responses! Im going to wait and do some research or get a shop to install one. i thought it was going to be easy, but it seems like theres more to it and I dont want to short or burn my truck down.
     
    Alexp2686, Aug 25, 2022
    Alexp2686, Aug 25, 2022
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  11. Aug 25, 2022 #9
    062

    062 Road Train Member

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    What’s the reason for needing a kill switch?
     
    062, Aug 25, 2022
    062, Aug 25, 2022
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  12. Aug 25, 2022 #10
    Alexp2686

    Alexp2686 Light Load Member

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    Sometimes my truck sits for a week or 2 and the battery is dead by the time i get back. The batteries im replacing was just purchased a lil over a year ago. Now after 1 night off it needs a jump.
     
    Alexp2686, Aug 25, 2022
    Alexp2686, Aug 25, 2022
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