S50 swap no start...

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  • two240s
    Grease Monkey
    • Apr 2009
    • 395

    #1

    S50 swap no start...

    95 s50 into 89 325i

    no fuel or spark. DME relay is not engaging, if I jumper the relay I get the ICV hum, fuel prime, check engine light at ACC key position. Otherwise I get none of that.

    I either have to jumper the relay or manually ground it out. The DME is not sending a signal to close the ground circuit (I believe pin 27 on DME).

    I do have continuity from pin27 to the relay socket.

    I'm assuming my DME is toast? or am I missing something?
  • two240s
    Grease Monkey
    • Apr 2009
    • 395

    #2
    nevermind....the ecu wasn't getting power at pin56 from the ignition switch. The harness that I paid to have rewired didn't have this connected.

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    • Danny
      Moderator
      • Feb 2008
      • 14217

      #3

      Comment

      • Philo
        Ich esse kleine Kinder
        • Oct 2008
        • 3334

        #4
        I enjoyed above picture.

        But seriously, this was a pain in the ass.
        -tim
        Originally posted by Jordan
        I like the stance
        -Coining hip terms since 10/9/03

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