I've got the 5v reference. Ground. The signal voltage is 1.86. Says it should be between .451-4.519

I've got a 07 town and country giving me ac problems... it came to my shop with a noisy compressor. Driver said it had been making noise for a while and finally got so hot it almost caught fire..... replaced compressor, filled with oil and freon. Still no power to compressor. Relay and fuse good. Pu...