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What’s this switch for?

Discussion in 'Volvo Forum' started by Rideandrepair, Mar 4, 2024.

Page 2 of 2
  1. Mar 5, 2024 #11
    Rideandrepair

    Rideandrepair Road Train Member

    17,294
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    Aug 8, 2015
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    Must be power divider. It makes a noise near the transmission. I’m going to look at it again tomorrow. The fifth wheel unlock was my first guess. Owners say it definitely isn’t that. I think it originally had one. The switch won’t move. Like it’s glued in place. 2 more similar switches that are operable. 1 air slide fifth wheel and 1 dump valve. That leaves only the power divider. Electric switches only work with key on. All new to me. Thanks everyone.
     
    Rideandrepair, Mar 5, 2024
    Rideandrepair, Mar 5, 2024
    #11
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  3. Mar 5, 2024 #12
    Speedy356

    Speedy356 Medium Load Member

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    The first one is definitely the fifth wheel unlock when your un hooking from a trailer!
     
    Speedy356, Mar 5, 2024
    Speedy356, Mar 5, 2024
    #12
    Rideandrepair Thanks this.
  4. Mar 5, 2024 #13
    Speedy356

    Speedy356 Medium Load Member

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    Oct 13, 2021
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    The second one is the diff lock
     
    Speedy356, Mar 5, 2024
    Speedy356, Mar 5, 2024
    #13
    Rideandrepair Thanks this.
  5. Mar 5, 2024 #14
    mpow66m

    mpow66m Heavy Load Member

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    Jul 6, 2011
    Northeast
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    flux capacitor
     
    mpow66m, Mar 5, 2024
    mpow66m, Mar 5, 2024
    #14
    Rideandrepair Thanks this.
  7. Mar 12, 2024 #15
    Larellsharell

    Larellsharell Bobtail Member

    15
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    Jul 22, 2021
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    Any came across these codes Vehicle ECU code-Mid 144 psid 230 fmi 4, Mid 144 sid 231 fmi 2

    Engine ECU code-Mid 128 psid 201 fmi 9,Mid 128 sid 231 fmi 2

    Transmission ECU code-Mid 130 sid 231 fmi 2


    Brake ECU-MID 136 SID 1 FMI 1, MID 136 SID 77 FMI 7, MID 136 SID 231 FMI12, MID 136 SID 231 FMI 2
     
    Larellsharell, Mar 12, 2024
    Larellsharell, Mar 12, 2024
    #15
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