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  • Plug Side of Solid State Turn Signal Relay - K-7 / 13A366
  • Mount Side of Solid State Turn Signal Relay - K-7 / 13A366

Item #: 12972

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Price: $150.00
    Cost: 12000
    Earns: 600
    Bonus: 0

    Availability

    In-Stock Item - Ships: Next Business Day

    Applications

    Description

    At last, there's a solution to a problem that almost all early Cougars suffer from. If the turn signal indicators in your dash only blink once, and then pulsate slowly without going out, you need this new electronic relay. It's a direct plug-and-play replacement, and it will give your indicators a nice on-off flash, complete with a mechanical click sound, all in time with your turn signals. We're excited about this simple fix, it's great to see and hear the indicators working properly.

    The number stamped on the original relay that this replaces is C7WB-13A366-A, the original Ford part number is C7WY-13A366-C.

    Check out this video

    This is referred to as the "K7" relay in the Ford service manual. This relay causes the flashing action of the 1967 Mercury Cougar instrument panel indicator lights.

    Replaced Ford part number C7WY-13A366-C.

    *CAUTION* The 1967 and 1968 K7 relay look similar, but are not the same. Damage to your wiring system will occur with the wrong relay.

    *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.

    Want brighter turn signals? Check out our Plasma LED Bulbs.

    Check out this video
    Specifications:
    Shipping Weight: 0.50 LBS
    (weight shown may be the dimensional weight)

    This item must ship via

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    4.91 out of 5 stars
    Based upon 29 Review(s).
    5 Stars
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    2025

    '67 Cougar XR7

    5.00 out of 5
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    fairly easy install and did the trick to make the turn indicators work correctly after changing instrument cluster to LED's (as mentioned in Don's video)

    turn signal

    5.00 out of 5
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    this relay worked great. solved alot of my issues.

    1967 Cougar

    5.00 out of 5
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    Pros:
    • Nice to be able to modernize old school
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    2 door sedan

    5.00 out of 5
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    Plug in play, a little pricy, but compared to a used one it makes sense. I went ahead and replaced the old one when I had the dash out and had access.


    2023

    Fixed it! For the first time in 50+ years...the turn signals work correctly on my '67!!

    5.00 out of 5
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    Pros:
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    This is for the crazy dash indicator light system that some mad scientist at Ford designed. The system is genius...but hard to troubleshoot. My system has the 1157 plasma LED rear, 1157A LED front, the factory and the Cougars Unlimited solid state sequencer. I also have the LED dash lights.

    With this setup the load across the K7 relay coil drops from factory of 8-10A to less than 2A. 2A is not enough to pull in the K7 coil...so your turn signal lights in the dash will not cycle with the factory K7 relay. My dash lights stayed on all the time! The solid state relay fixed this right out of the box. Mount it, plug it in, and it works. I love it when a part does what it should...right out of the box.

    Number of questions: 0
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    Why am I being warned about potential exposure to chemicals in motor vehicle parts?


    • Some chemicals in motor vehicle parts are on the Proposition 65 list because they can cause cancer and/or birth defects or other reproductive harm.
    • When purchasing USED or NOS items, we do not know if listed chemicals are present in these products.
    • This product is known to contain the following listed chemicals:
    I just installed the plasma leds. They are tremendous. Such a difference . Love them ! I have owned this car for 4 years. This was one of my todo lists. Finally installed and boy I am happy with them! ...
    - canran
    The very first car I owned was a 1967 Cougar XR7 back in 1982. I fell in love with the car and gave it all I could that was available back then in Midwest Indiana. Unfortunately in 1986 the car was totaled. I've spent the last 3-1/2 decades...
    - Dennis Alspach
    I got my 1970 Cougar new in high school and it has been licensed, taxed, driven , and insured every year since and I have purchased many items from Don. (Admittedly the after market hood insulation is something that could need improvement along...
    - james Paulsen
    Just bought a 67 cougar and have already ordered two items from here, excellent experience and look forward to continuing to do buisness with you guys ...
    - Rock nerd
    Great source of Cougar parts and accessories! I'll be back fir more! ...
    - Dan Valentine
    I have been using West Coast Cougar for the last 5 years. I have not been able to find another site with all parts I have needed. Shipping never been an issue and if I have questions they are quick to response. By far the best car site I have used. ...
    - Ben Armstrong
    Here is a list of just some of what i have purchased from WCCC. in several orders over the last 3 years of making my cat mine. front and rear bumpers, bumper fillers, bumper bolt kits, led bulbs for dash, rear deck trunk molding, headlight vacuum...
    - Todd from South Dakota
    Viewing parts gives more knowledge and able to order correctly ...
    - eltec2
    Everything you need for your Cougar, Great prices, Fantastic people, Highly recommend! ...
    - Paul
    They always answer all of my questions ...
    - steve hovis
    E-F44