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

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Item #: 12972

4.91 stars, based on 29 reviews
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...
Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
san francisco
Customer since 2015
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its nice to hear that clicking sound WORKS FINE

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
California
Customer since 2013
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I was able to replace this part under the dash in about 15 minutes start to finish. The best part is that it functions perfectly. Both the dash lights and "clicking" sounds now function as new. I couldn't be happier.

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2013
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just installed so far so good my cars dash was already apart so install was easy

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2015
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Cured dash light problems. Easy to install. Great instructions.

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since
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Bit fiddley to fit but does the job very well. Good value.

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2016
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Works correctly but didn't solve my problem.

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Buena Park Ca
Customer since 2018
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Part was just as advertised. Works Great!!

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2019
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Pros:
  • Works great
Cons:
  • None

Great product

Now I have my flash and click back.

Easy to install.

Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2013
Material:
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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.




Relay - Turn Signal - Solid State - K-7 / 13A366 - Repro ~ 1967 Mercury Cougar
Customer since 2025
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'67 Cougar XR7

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)