Graph Tech Ghost - Manual (Page 40)

40
Usually, no routing is required to replace the 1/4” jack in your
instrument with the 1/4” Stereo Switched Jack that comes with the
Acousti-Phonic. In some instances, the jack is recessed in a hole that
is too small. In this case enlarge the recessed hole to 7/8” diameter.
The mounting hole for the Stereo Switched Jack is 3/8” diameter.
Acousti-Phonic
Stereo switched Jack (no routing required)
Usually, you can find room for the 9v battery in the existing control
cavity. If your instrument’s cavity is too small or too full of other
electronics, you can either enlarge the cavity or create a cavity
the size and shape of the battery underneath the pick guard.
9v battery