Just when I thought I was done, she throws me a monkey wrench. My temperature started with the needle bouncing between 0 and 195. The connector is OK and the tan/pinkish ground wire is a firm attached. So I got a AC Delco sending unit put it and now nothing. What do I need to do next ? I'm working by myself here.

 

Would you believe I left the temperature sending unit in the drivers side head disconnected ! I am such an idiot !

 

As if none of us have ever done something like that. Glad you were able to find the problem.

 

Been there - done that...