The labels should be q3 or q4 of 67 or q1 or q2 of 68
This tag is for a 67 model year
1967 2 (the 2 is quarter 2 ie (apr may jun give or take)
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This male end is 67 model year
The male end had square notches
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68 iirc has 2 rectangular holes where the 69 has one rectangular hole ( but I can not find a photo to prove that)
This is 69
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Also typically the retractable should be to the outside of the seats.