Vince-
Looks like the high temp may be a bad ground adding resistance. Will start there and then check the sensor resistance if it's not the ground:
http://www.stangnet.com/mustang-foru...inside.539706/
http://www.autometer.com/tech_faq_an...x?sid=1&qid=57
Cheers,
Jason
PS - video is not great

mounted the go pro too high in the cage so you don't get a ton of track in the video, mostly cockpit.