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Thread: Door Lock Breaker Malfunction

  1. #1
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    Door Lock Breaker Malfunction

    I stopped today to grab a soda and tried locking the passenger side door from the inside. I rarely have it work when I lock one from the inside and the other locks on it's own. I noticed the door lock on the driver side go half way and the car seemed like it was trying to lock it (volts dropped). I unlocked them and when I got back in my car I noticed a clicking sound from the relay area. It kept doing this even with the car off. Almost exactly every 15 seconds. I removed the small wire and it stopped. Any ideas what it going on or how to fix it? Would love to have the door locks work properly but would rather just fix the current issue.

    Here is a video of what is happening: https://youtu.be/_kjhMS4UMrU

  2. #2
    Senior Member
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    sounds like something is drawing lots of current,
    like - a sticking relay

    that's why I told like 2000000 times to install a 10A fuse in the fat red wire


    6548 says greeting to San Diego :-)

  3. #3
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    Quote Originally Posted by Elvis View Post
    sounds like something is drawing lots of current,
    like - a sticking relay

    that's why I told like 2000000 times to install a 10A fuse in the fat red wire


    6548 says greeting to San Diego :-)
    Thanks Elvis,

    Can you tell me what the small red wire is for?

  4. #4
    DMC Midwest - 815.459.6439 DMCMW Dave's Avatar
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    Quote Originally Posted by cdmcali View Post
    Thanks Elvis,

    Can you tell me what the small red wire is for?
    Power antenna.
    Dave S
    DMC Midwest - retired but helping
    dswingle@DeLorean.com

  5. #5
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    Quote Originally Posted by DMCMW Dave View Post
    Power antenna.
    I wonder why the switch kept triggering until I unhooked that small wire.

  6. #6
    Senior Member DMC5180's Avatar
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    Door Lock Breaker Malfunction

    Quote Originally Posted by cdmcali View Post
    I wonder why the switch kept triggering until I unhooked that small wire.
    As Elvis mentioned, you likely have a sticking relay. Either in the DLM or Power Antenna. It could just be coincidental that pulling the power antenna wire stopped the clicking. The photo shows the small red wire on the 12v source side of the breaker.
    which should effect the load through the breaker.

    Most of the time the issues are in the Door locking System. Once you get to the stage where the lock solenoids get burned, they loose the ability to fully actuate the locks. Your DLM probably just needs some up grading.


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    Last edited by DMC5180; 06-11-2017 at 08:03 PM.
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  7. #7
    Senior Member Bitsyncmaster's Avatar
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    Quote Originally Posted by cdmcali View Post
    I wonder why the switch kept triggering until I unhooked that small wire.
    What small red wire did you pull? My power antenna relay is in the drivers side compartment.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  8. #8
    Senior Member DMC5180's Avatar
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    Door Lock Breaker Malfunction

    Quote Originally Posted by Bitsyncmaster View Post
    What small red wire did you pull? My power antenna relay is in the drivers side compartment.
    the relay is there, but the power for it is plugged into the brown wire side of the DLM breaker as shown in his photo.


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    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.

  9. #9
    DMC Midwest - 815.459.6439 DMCMW Dave's Avatar
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    Quote Originally Posted by Bitsyncmaster View Post
    What small red wire did you pull? My power antenna relay is in the drivers side compartment.
    But it's powered from the Lock Module breaker. Unless you've modified that by now.
    Dave S
    DMC Midwest - retired but helping
    dswingle@DeLorean.com

  10. #10
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    Quote Originally Posted by DMCMW Dave View Post
    But it's powered from the Lock Module breaker. Unless you've modified that by now.
    I haven't modified the lock system at all. Now that the clicking of the breaker has stopped by removing that wire, do I have any thing to worry about? My antenna doesn't work anyway. Can I leave it unplugged? Any ideas what I should do if it happens again with the wire unplugged?

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