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Thread: Fuel pump relay help!

  1. #1
    Senior Member
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    Oct 2003
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    Fuel pump relay help!

    Hi there,

    I was wondering if someone could help me test the 85 pin of the fuel pump relay while the key is on and tell me what you read.

    For some reason I'm reading 4.25v. Is this correct? I thought it suppose to be ground. I'm having starting problems.

    Thank you
    Last edited by jaysonvaldez; 08-03-2015 at 06:49 PM.

  2. #2
    Senior Member
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    4.28 on mine. So seems correct. Can't remember the no. on the pin but ground is closest to the back seat. Other 2 pins show 12v
    Last edited by Abbaso; 08-05-2015 at 01:59 AM.

  3. #3
    Senior Member
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    Quote Originally Posted by Abbaso View Post
    4.28 on mine. So seems correct. Can't remember the no. on the pin but ground is closest to the back seat. Other 2 pins show 12v

    Very odd. I can't seem to turn on my fuel relay off the ignition.

  4. #4
    Senior Member John Jones Jr.'s Avatar
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    Apr 2013
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    Ireland
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    829
    Quote Originally Posted by jaysonvaldez View Post
    Very odd. I can't seem to turn on my fuel relay off the ignition.
    Don't want to be an alarmist but that seems like an ECU issue. My understanding is the pump relay is activated by the ECU.
    JJJ.

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