Replaces stop lamp relay on 1967 Cougars built before 1-3-67. No wiring modifications needed, just plug it in in place of your old mechanical relay in the trunk.
*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.