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Thread: HELP!! Aux fan comes on high as soon as car started

  1. 07-02-2018, 10:28 AM #76
    ninetyseven1
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    Yes, I understand now, I am going to test with the key off next.

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    My other question is, should i have the aux fan harness plugged in while testing this? it will blow fuse 7 if it is plugged in
    Electric Fan conversion, 840Ci thermostat, Dinan style CAI,de-screened MAF, Dinan transmission chip, 255lph LS1 fuel pump, drilled slotted rotors, 3.15 differential, Bel rx65 radar (hard-wired). Hemi Killer!
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  2. 07-02-2018, 01:41 PM #77
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    computiNATEor
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    Quote Originally Posted by JimLev View Post
    Dont forget this works both ways. At the moment your on very thin ice.
    I’m sorry, name calling is one thing, but physical violence is a whole new level. Yikes. I’m out.
    Nate J.

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  3. 07-02-2018, 01:52 PM #78
    ninetyseven1
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    Quote Originally Posted by computiNATEor View Post
    I’m sorry, name calling is one thing, but physical violence is a whole new level. Yikes. I’m out.
    -
    Last edited by ninetyseven1; 07-02-2018 at 01:55 PM.
    Electric Fan conversion, 840Ci thermostat, Dinan style CAI,de-screened MAF, Dinan transmission chip, 255lph LS1 fuel pump, drilled slotted rotors, 3.15 differential, Bel rx65 radar (hard-wired). Hemi Killer!
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  4. 07-02-2018, 04:30 PM #79
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    MIKYZZ4
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    Quote Originally Posted by ninetyseven1 View Post
    Yes, I understand now, I am going to test with the key off next.

    - - - Updated - - -

    My other question is, should i have the aux fan harness plugged in while testing this? it will blow fuse 7 if it is plugged in
    Read this:https://www.bimmerforums.com/forum/s...ervice-READ-ON

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    LOW SPEED


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    MEDIUM SPEED


    - - - Updated - - -
    HIGH SPEED
    Last edited by MIKYZZ4; 07-02-2018 at 04:36 PM.
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  5. 07-02-2018, 04:33 PM #80
    ninetyseven1
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    Quote Originally Posted by MIKYZZ4 View Post
    Read this:https://www.bimmerforums.com/forum/s...ervice-READ-ON

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    - - - Updated - - -



    - - - Updated - - -


    Thank you very much for that, i have read that link though years ago when i had bad resistors in another 540i, i had. Im going to test tonight with key off testing 85 to chassis ground and 87 to chassis ground
    Electric Fan conversion, 840Ci thermostat, Dinan style CAI,de-screened MAF, Dinan transmission chip, 255lph LS1 fuel pump, drilled slotted rotors, 3.15 differential, Bel rx65 radar (hard-wired). Hemi Killer!
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  6. 07-02-2018, 05:05 PM #81
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    JimLev
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    Quote Originally Posted by ninetyseven1 View Post
    Let just keep working together via private message then , there are too many distractions due to members like Bimmermeupsnotty. Thank you for setting him straight Jim!
    And I'm trying to set you straight too. It take 2 to tango.
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  7. 07-04-2018, 10:56 AM #82
    ninetyseven1
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    Ok tested again , key off black
    And red wire (85) to ground I was getting a 0.9 and then it would drop to 0.5 then go up to 22.5 then down and up etc. the black /Brown wire gave back no reading . I did install new resistors before testing too.
    Good news is fuse 7 no longer blows. So after this I jumped the relay pins 87 and 30 and the aux fan came on one time , then wouldn't come on again , I suspect I blew the low speed resistor lol. So something is still amiss here
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