Fuse box (ish) question

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  • Hoffbrohaus
    E30 Addict
    • Sep 2013
    • 519

    #1

    Fuse box (ish) question

    Not exactly the fuse box, but attached to it. What is this fuse carrier thing for, the little black square? It has a green and red wire going into it and I was able to open it and push the insert down like it was on a spring. #13 in the real oem diagram


    '90 325is
  • 15Michaeljoseph
    E30 Mastermind
    • Aug 2013
    • 1693

    #2
    That's an auxiliary fuse box, for running accessories! Red is constant hot 12v, green is switched 12v. Sent from my moto g(6) using Tapatalk
    (OO=[][]=OO) For Life

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