Looks like the connector for the temp. gauge in the dash cluster...Does that work? If so maybe the trans temp sensor. There really aren't that many tings in the area that you described.
Winner 2001 Road Course (prep. class) Detroit,MI
Winner 2006 Drag race (SS class) Indianapolis,IN
Quickest event reaction time .013sec. (final-round)
Class Winner 2014 Charlotte,NC. 2016 NOLA car shows
Winner 2019 Road Course (prep.class) Pittsbugh,PA