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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

    Posts:    7,287

    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 08:57 PM.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  2. #12
    Senior Member DMC5180's Avatar
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    Location:  Reedsburg, WI

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    My VIN:    5180

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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.


    Sent from my iPhone using Tapatalk
    DENNIS

    VIN 5180, Frame 3652, STAGE I, DM-eng Solid State Solutions (RPM Rly, Dm.Lt.Mod., Fan Fail Mod. , FAN Rly, HS.Rly) , HID sealed beam style headlights, SPAX user since 2009, Eibach springs, Mid-State Club Adj. Rear LCA's, DPNW poly-sway bar kit, DMCEU LCA Stabilizer link kit, DMCMW Illuminated door sills, Aussie Illuminated SS Shifter plate, GENUINE MOMO EVO Steering wheel, DELOREANA Extended View Side Mirrors w/ Heaters, DELOREANA LED Door Lights.

  3. #13
    Administrator Ron's Avatar
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    Location:  North GA

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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:    7,287

    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 03:17 PM.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  6. #16
    Senior Member bfloyd's Avatar
    Join Date:  Nov 2014

    Location:  Lebanon, Tennessee

    Posts:    346

    My VIN:    3294

    It finally got up into the 50's here yesterday, so I wanted to take the car down to the local car wash to hose it off. Since my fan fail relay is toast, I decided to attempt to install the yellow fused jumper from DMCH that came with my relay upgrade kit. It seems like I'm going to have to replace the blue relay socket as well since none of the spades on the jumper would stay in place.
    Barry Floyd
    Lebanon, Tennessee
    VIN 3294 - Aug. 81

  7. #17
    Senior Member DMC5180's Avatar
    Join Date:  May 2011

    Location:  Reedsburg, WI

    Posts:    3,863

    My VIN:    5180

    Club(s):   (DMWC) (DCUK)

    Quote Originally Posted by bfloyd View Post
    It finally got up into the 50's here yesterday, so I wanted to take the car down to the local car wash to hose it off. Since my fan fail relay is toast, I decided to attempt to install the yellow fused jumper from DMCH that came with my relay upgrade kit. It seems like I'm going to have to replace the blue relay socket as well since none of the spades on the jumper would stay in place.
    Direct fit, OE (Rists) plastic housings are available through DeloreanGo in (black).

    https://www.deloreango.com/us/relay-base.html

    If you want a blue one you’d likely need need to call up vendor and see if the they would sell one from parts vehicle main harness.


    Sent from my iPhone using Tapatalk
    DENNIS

    VIN 5180, Frame 3652, STAGE I, DM-eng Solid State Solutions (RPM Rly, Dm.Lt.Mod., Fan Fail Mod. , FAN Rly, HS.Rly) , HID sealed beam style headlights, SPAX user since 2009, Eibach springs, Mid-State Club Adj. Rear LCA's, DPNW poly-sway bar kit, DMCEU LCA Stabilizer link kit, DMCMW Illuminated door sills, Aussie Illuminated SS Shifter plate, GENUINE MOMO EVO Steering wheel, DELOREANA Extended View Side Mirrors w/ Heaters, DELOREANA LED Door Lights.

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