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Home > Electrical & Lighting > Sequential Turn Signal Parts >

Solid State - Taillight Sequential Unit - for PLASMA LED BULBS - Repro ~ 1969 - 1973 Mercury Cougar / 1969 - 1973 Shelby Mustang

Solid State - Taillight Sequential Unit - for PLASMA LED BULBS - Repro ~ 1969 - 1973 Mercury Cougar / 1969 - 1973 Shelby Mustang  - 12135
Solid State - Taillight Sequential Unit - for PLASMA LED BULBS - Repro ~ 1969 - 1973 Mercury Cougar / 1969 - 1973 Shelby Mustang  - 12135
Solid State - Taillight Sequential Unit - for PLASMA LED BULBS - Repro ~ 1969 - 1973 Mercury Cougar / 1969 - 1973 Shelby Mustang  - 12135


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Item #: 12135
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Price: $143.85

    This is the updated sequencer needed for use with the new Plasma LED's and the new updated flashers.

    NOTE: Although your existing emergency flasher might work just fine with the new sequential unit, it is highly recommended that you also use the same updated electronic sequential flasher in its place to guarantee proper operation.

    This is a direct fit replacement, just pop open your black plastic box located in the driver side trunk drop off and plug it in. Your January 1970 and newer Cougar will have external brake light relays taped to the outside of your box, this unit will internalize them with built in solid state units that are silent and much more reliable.

    This unit is located in the trunk behind the driver side wheel house and requires no modification to the original wiring. The two used sequential units shown represent the two versions this new unit was designed to replace. The unit without the external brake light relays was used in 1969 and early 1970. The unit with the four bulky external brake light relays was used from January 1970 to 1973. Note both versions use the same plug configuration. We highly recommend you change the flasher under the dash with our updated unit.

    Dear WCCC, I would like to thank you for having such a great product. It was incredibly simple to install. It has been years and years since the blinkers on my 1973 Cougar have worked properly. Most everyone I talked to about it, didn't want to have anything to do with it. Within the few minutes it took to install your product, I can finally drive my car again without having to worry about a thing. Thanks again!!!!

    *NOTE* Need help diagnosing a Cougar turn signal problem? Victor Yarberry is the world’s most knowledgeable expert on the subject. Vic has owned Cougars since the 1970's and is the designer of all of our solid state sequential systems. There is no question he cannot answer! Here is a link to a great source of information on the subject.



    For more info on the "Plasma" LED's, check out our comparison video:



    1969-1973 Cougar owners: This is one of the components that you'll need in order to use our Plasma LED taillight bulbs in your car with the sequential turn signal system. Check out the chart below to see what else is needed (click to enlarge).

    Product Reviews
    Total Customer Reviews: 15
    Overall Customer Rating:
    Reviewed On:
    4/17/2017 
    Author:
    Ken 
    Location:
     

    Great Update to my dull Tail lights

    Material:
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    I should have done this years ago. Much brighter and reliable now! I didn't even have to replace the flasher in the dash when I installed it. They probably blink a little bit faster because I didn't. But it works GREAT

    Pros:
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    Reviewed On:
    4/17/2017 
    Author:
    arnaud 
    Location:
    France 

    Material:
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    Ma Cougar a retrouvé son clignotement typique. ;)



    Very perfect.

    Pros:
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    Reviewed On:
    4/10/2017 
    Author:
    Christian 
    Location:
     

    Material:
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    Easy installation. Perfectly fits into the old recording.

    The LED lamps also give me the security to be seen when I flash.

    Pros:
    Cons:
    Reviewed On:
    1/22/2017 
    Author:
    Ed 
    Location:
     

    Material:
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    needed for plasma in the 69, but also cured a problem of burning out turn signal switches, not sure what was wrong but replaced all bulbs w new incandescent and still burned switch, converted to the plasma and no problem so far

    Pros:
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    Reviewed On:
    1/4/2017 
    Author:
    Paul 
    Location:
    Massachusetts 

    Love this unit

    Material:
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    Correctness:
    WCCC and Vic are the best for advice and offering these units. Taillights are bright and correct color. My Cougar not only looks great and standouts out, but i feel lot safer driving it. No longer constantly looking in the rear-view mirror waiting for the distracted driver missing my dim taillights.

    Pros:
    • great directions
    • easy install
    Cons:



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