66 block should be (going down):
wht/blue
blue/wht
wht/orange
orange/wht
wht/green
green/wht
wht/brown
brown/wht
Your 4wire cross connect would connect in order, wht/orange, orange/wht, wht/green, green/wht.
On your jack (assuming its not color coded to 568B). IF tab is facing away from you pin 1 is on right.
w/o o/w w/g blu/w w/blu g/w w/brn brn/w.
I the phone uses pr 2 and 3. The power if i remember correctly is on the brown pair.
Thanks,
Taylor