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Thread: Pin 26 Voltage

  1. #1
    Join Date
    Oct 2019
    Location
    Spokane, WA
    Posts
    152
    My Cars
    1995 325i Sedan

    Pin 26 Voltage

    I need someone to verify voltage to pin 26 on an OBD1 harness for me. I've been fighting a no start condition with my turbo build for a couple weeks now and have found out that A and C channels in my ecu were switched sending first firing signal to 3/4 instead of 1/6 but even after switching those around I can't get a start on gas. I can get sputter on starter fluid and it really wants to start on starter fluid, but still nothing on gas. My ECU is measuring 5.6V (even when being jumped by a truck putting out 13.4V as measured by an alternate voltmeter in the car) which makes me think that the fusible link has failed. With all the work that has gone into this build it is very possible that I at some point reversed leads or something.

    Thanks.
    Current Cars: 1995 325i Sedan (Super Clean Turbo Build Project), 2020 Mitsubishi Mirage (Because everyone needs something reliable)

    RIP 1999 328i (Cremated); You were a lot of fun, and many of your parts will live on in my new project. You'll never be forgotten.

    Project Bike: 1982 Suzuki GS 1100g Super Cafe Racer Build
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  2. #2
    Join Date
    Oct 2019
    Location
    Spokane, WA
    Posts
    152
    My Cars
    1995 325i Sedan
    Bump

  3. #3
    Join Date
    Oct 2019
    Location
    Spokane, WA
    Posts
    152
    My Cars
    1995 325i Sedan
    Bump

  4. #4
    Join Date
    Oct 2019
    Location
    Spokane, WA
    Posts
    152
    My Cars
    1995 325i Sedan
    It’s 12v

  5. #5
    Join Date
    Aug 2009
    Location
    sunnyvale CA
    Posts
    1,592
    My Cars
    325is
    Why is it 5.6 V and more important custom build turbo with the oem ecu?

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