Trim indicator panel?

[bobgardner]

Howdy C130 drivers. I see four trim indicators on an edge lit panel at the top left of the center console in the C130J pictures.
Anyone remember when they went from 4 separate 2" meters to putting them in a panel? Which model... G? H? I? I want to find a page out of a tm that describes the pinout to that panel. Bidding on some spare instruments. Thanks!