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488 Challenge Wiring Diagram?

Discussion in 'Challenge/GT Cars/Track' started by kfennell, Aug 14, 2025 at 2:33 PM.

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  1. kfennell

    kfennell Rookie

    Feb 28, 2016
    3
    #1 kfennell, Aug 14, 2025 at 2:33 PM
    Does anyone have a lead for where we can purchase/borrow/download/anything a 488 challenge wiring diagram if we aren't on a team? I have a car here with a bad instrument cluster, that it appears is not getting any 12V, or intermittant 12V, but it is hard to troubleshoot to the point that I will have to completely take it out of the car and get all the tape off it to go forward from here, which i would prefer not to do.

    Or, does anyone have some guidance for troubleshooting why the dash started being flaky and then subsequently it would not power on the rear view camera screen?

    Kevin Fennell
    Owner
    FASTx - Fennell Autosport TX
    4766 TX-123 Building 200
    San Marcos, TX, 78666
    512-667-4642
    [email protected]
     
  2. mikey64

    mikey64 Formula Junior
    Rossa Subscribed

    Jun 26, 2013
    585
    TN
    Full Name:
    mikey
    #2 mikey64, Aug 14, 2025 at 9:57 PM
    Teams often added their own wiring and splices over the years so could be a loose ground. Most race cars you just have to chase wiring to figure it out. I will say whatever sticky wire loom wrap Ferrari uses is ridiculous to try and peel off.
    I have 184 page manual but it doesn’t have much detail on wiring.
     

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