Cache is not at posted coordinates!
I know you'll think I'm like the others before
Who saw your name and number on the wall...
You probably have heard it before, it may even be stuck in your head now (you're welcome!), but Jenny's number (ABC-DEFG) is the key to crack this mystery.
Just plug in the ABC-DEFG into the equation:
N 48° 14.XXX W101° 1Y.YYY (ignore the decimal point at first)
XXX = (ABC - 660)
Y.YYY = (DEFG + 973) (add decimal after first digit)
Now that you have Jenny's number, give her a call, and find the final.
Parking along public street near final. 
Have fun, and happy caching!