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Thread: Fan Fail light blinks bright and dim??

  1. #11
    Senior Member Bitsyncmaster's Avatar
    Join Date:  May 2011

    Location:  Leonardtown, MD

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    My VIN:    03572

    I can't see the revision number but am guessing that is my current version since the potting is higher than the first fused units I made. So I guess the flashing (three flash sequence) was occurring. That missing pin conducts the current of both fans so it really got hot to melt the solder. The fact the fuses also got hot tells me it was not just a bad connection on that missing pin. I would suggest you replace your fans ASAP.

    It's funny some owners have no problems (yet) running OEM fans and some owners have their fan fail jumpers melt and catch fire.
    Last edited by Bitsyncmaster; 01-01-2019 at 09:57 PM.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  2. #12
    Senior Member DMC5180's Avatar
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    If it got that hot, I wonder how crispy the wires are coming into the blue socket. High heat probably means high probability of green corrosion and high resistance build up in the wires.


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  3. #13
    Administrator Ron's Avatar
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    Quote Originally Posted by DMC5180 View Post
    If it got that hot, I wonder how crispy the wires are coming into the blue socket. High heat probably means high probability of green corrosion and high resistance build up in the wires.
    +1

    Once the fuse socket/terminals get hot, they need to be replaced (and end a vicious circle...).

  4. #14
    Senior Member Chris 16409's Avatar
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    Location:  Fresno, CA.

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    It looks like the board says REV 3?

    YqI2Why.jpg

    YqI2Whz.jpg

    These pictures should be clearer.
    Chris Miles

    For Better or Worse I own a DeLorean!
    1983 Grey Manual, VIN #16409, Fresno, California

  5. #15
    Senior Member Bitsyncmaster's Avatar
    Join Date:  May 2011

    Location:  Leonardtown, MD

    Posts:    7,170

    My VIN:    03572

    Quote Originally Posted by Chris 16409 View Post
    It looks like the board says REV 3?

    YqI2Why.jpg

    YqI2Whz.jpg

    These pictures should be clearer.
    That is one of the early fused fan fail. Probably a REV A or B. So it would not have had the overtemp warning. I use a letter revision on the circuit board and if I make a change to units already sold I put a revision number on the unit. exp. A2, A3, B2, B3.
    Last edited by Bitsyncmaster; 01-02-2019 at 04:17 PM.
    Dave M vin 03572
    http://dm-eng.weebly.com/

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