The above co-ord's ARE NOT the cache, But will
lead you to a device which will help you to solve the combination
puzzle,Although you are very likely to have this device at home, So
if you can solve the mystery at home you can go straight to the
cache.
The Puzzle is:
AT J1 GGD
1JD 01 JWT
The numbers one and zero are done for you, shown
in red.

The FTF goes to
Bessie's-Mob.