Instant loss of charging... car is now dead on road...

ok so today i installed my vacuum gauge and the wideband o2 setup...

played around in the drive way for quite awhile so the car was running and charging fine...

so out to finally test it and i get about a mile and my volt gauge is dropping fast and AMP gauge is in the middle with no movement (which is odd on its own as its always bouncing)

anyways so i pull off thinking i may have thrown a belt... i get off the road and check it out... belt is fine!?!

so a guy gave me a jump and by the time i got in it to go it died again... no charging...

i checked all the leads, are are snug, nothings been messed with...

so get a ride home and grab the volt meter...

key on i have 11.62 volts at the battery. have about 10.5 on the out side of the volt reg, and 10.5 at the alt tab... got it running with a jump and with the other car still hooked up to keep it alive it said 28volts on the hot lead out of the alt??

what in the hell is going on? im really starting to lose it...