Which color wire goes to capacitor?

gregamer Oct 28, 2012

  1. gregamer

    gregamer TrainBoard Supporter

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    I've had this Digitrax SDH104K1b+FN04K1 Combo Decoder for a few years. I just opened it tomight and only one wire (BLUE) is still attached to the capacitor. Of the multiple other wires, the only one that has any insulation removed is the black wire. I'm thinking it must be the black that is the second wire that goes to the capacitor.

    IMG_1508.JPG

    Here is what I have:
    • BLUE - Attached to Capacitor
    • ORANGE - Attached to Speaker
    • GRAY - Attached to Speaker
    • YELLOW - Free, probably a function
    • WHITE - Free; probably chuff sync
    • GREEN - Free, probably function
    • PURPLE - Free, probably function
    • BROWN - Free, probably function
    • RED - Free, probably power
    • BLACK - Free, probably power - Does this go to the other side of the capacitor??

    What are the normal wire colors attached to the capacitor? Any idea what should go to the other side?

    Thanks for your help.
     
  2. IowaRRfan

    IowaRRfan TrainBoard Member

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  3. gregamer

    gregamer TrainBoard Supporter

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    Thanks Karsten. The color photo clears it up.
     

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