switched 12v source for abs pump

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  • hugh jass
    R3VLimited
    • Dec 2003
    • 2220

    #1

    switched 12v source for abs pump

    Can someone tell me a convenient switched 12v source for my abs pump? The treehouse racing adapter has a lead for abs power but I'm not sure where to hook it up.
    Electrical is my achilles heal.
    Thanks.
    ______________________
    ex-Chief Operating Officer
    Blunt Tech Industries
    West Coast and Pacific Rim
  • golde30
    R3V OG
    • Nov 2003
    • 11464

    #2
    HA. when i was done making my harness, i had the ABS wire sticking out also not knowing where to hook it up...
    IG: @Baye30

    FRONT VALENCE IS ZENDER!!! STOP FILLING MY PM BOX PPL!!!

    Comment

    • ZiMMie
      E30 Modder
      • Jun 2004
      • 968

      #3
      Find a constant +12V when the Key is on,
      fuse it and attach it to it.

      www.stancefactory.com

      Comment

      • hugh jass
        R3VLimited
        • Dec 2003
        • 2220

        #4
        Originally posted by ZiMMie
        Find a constant +12V when the Key is on,
        fuse it and attach it to it.
        i know, i'm asking what a convenient source of switched 12v power is. anyone?
        ______________________
        ex-Chief Operating Officer
        Blunt Tech Industries
        West Coast and Pacific Rim

        Comment

        • fretburnr
          E30 Fanatic
          • Jan 2005
          • 1496

          #5
          Is the connection at the fusebox for ABS (originally) not an option? That way it's already fused.

          Otherwise, at the fusebox there's an external prototyping area (smaller black box) that should have switched +12v somewhere.
          Jay

          Comment

          • Jason89i
            E30 Modder
            • Sep 2004
            • 875

            #6
            90+ airbag cars have the abs power wired directly off the main relay.

            if you search, its here. but here's the answer again.....

            Power comes from the main relay (red/yellow) to the c101pin20 and then to the abs pump and abs relay. the m50 harness does not provide this wire. but, you can wire it similar to the factory. on the m50's, typically the red/white wire is a switched power (power at "on" pposition.) on the m50 harness, tap into the red/white at the main splice (where 6-5 red/white wires come together) and add a large gauge wire (same size as the red/yellow) and fish it into the c101p20. viola. abs.

            cheers, jason

            Comment

            • hoveringuy
              R3VLimited
              • Dec 2005
              • 2678

              #7
              Concur. I ran mine to the red/white in the main splice box. No probs...

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