On Sun, 24 Mar 2013 09:24:13 -0400, Scott Dorsey wrote:

It does indeed look like a TO-220 from the pin spacing (since there are no
actual transistors in the photos, just spots from which they were removed).

I doubt anything was removed since all the authors of those pictures
are expressly NOT trying to remove anything.

Those round metal "dots" in the pictures are the five pin connectors
of the harness connector.