What's the part in the red box and what is the part in the green box? I am thinking the red box is an electric FP gauge sending unit but it looks like it's connected to the thing in the green box. Any insight? Thanks
<img border="0" src="http://www.zerort.com/mustang/images/Kennebell_engine.jpg" width="365" height="278">
<img border="0" src="http://www.zerort.com/mustang/images/Kennebell_engine.jpg" width="365" height="278">