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Thread: Door Solenoid

  1. #1
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    Door Solenoid

    Trying to sort an issue with the doors , When are the door solenoids engaged ?

  2. #2
    Senior Member DMC-81's Avatar
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    Hi. There are 2 coils in each one, one for unlock and the other for lock. My understanding is that the 2 locks are slaved together so when you press unlock on the rocker switch or turn the key, both unlock coils fire to complete the unlock operation. The same goes for the lock operation.

    There are some pictures of the insides of the coils and a wire identification in this thread if it helps:

    http://dmctalk.org/showthread.php?13...-and-solenoids
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    1985 Chevrolet Corvette, Z51, 4+3 manual
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

  3. #3
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    Could you explain rocket switch

    Quote Originally Posted by DMC-81 View Post
    Hi. There are 2 coils in each one, one for unlock and the other for lock. My understanding is that the 2 locks are slaved together so when you press unlock on the rocker switch or turn the key, both unlock coils fire to complete the unlock operation. The same goes for the lock operation.

    There are some pictures of the insides of the coils and a wire identification in this thread if it helps:

    http://dmctalk.org/showthread.php?13...-and-solenoids
    Could you explain rocket switch

  4. #4
    Senior Member DMC-81's Avatar
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    Quote Originally Posted by Cummil2 View Post
    Could you explain rocket switch
    Sure. The rocker switch shown below is just the plastic switch that you rock forward or back to unlock/lock the car from the inside:

    image.jpg

    Let's say your car is locked and you are sitting in the car. When you rock the switch forward on the driver's door, it will unlock not only that door, but because they are wired together, this action will activate the solenoid in the passenger door and its rocker switch will also move forward and unlock that door. So these switches move together even when you only press one of them.
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    1985 Chevrolet Corvette, Z51, 4+3 manual
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

  5. #5
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    Here's a useful DMC tech video general overview of the door systems. There's a segment showing the door lock mechanisms.
    https://www.youtube.com/watch?v=RgOATYrwx4Q

    Ron

  6. #6
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    That helps

    That helps. Neither of the rockers have any effect , I will go check wiring

    Thank you

  7. #7
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    It was called the Central locking System because if you lock or unlock either door from the inside OR the outside, the other would also. If the system is not functioning the first place to look is behind the passenger seat to see if the door lock module is hooked up. Because of the high failure rate of the door lock module it has probably been disconnected.
    David Teitelbaum

  8. #8
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    Picture

    Would you agree , from the picture the module has been taking out ?
    Attached Images

  9. #9
    Senior Member Bitsyncmaster's Avatar
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    Quote Originally Posted by Cummil2 View Post
    Would you agree , from the picture the module has been taking out ?
    Yes that nine pin connector is where it plugs into.
    Dave M vin 03572
    http://dm-eng.weebly.com/

  10. #10
    Senior Member DMC-81's Avatar
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    Quote Originally Posted by Cummil2 View Post
    Would you agree , from the picture the module has been taking out ?
    Agreed. Here is what it looks like installed and plugged in:
    image.jpg
    Last edited by DMC-81; 09-17-2017 at 07:53 PM.
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    1985 Chevrolet Corvette, Z51, 4+3 manual
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

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