I will also be replacing the under dash wiring harness as it has been cut and spliced in several places around the column plug. So I wanted to add a few pictures of some interesting things I noticed while taking the dash apart.
Matt

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The original dash frame finish under the pad

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The date under the pad appears to be 44th day of 1966

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Tag on the original harness

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Tape holding a rubber in place on the dash frame. It would be between the dash frame and the steering column.