Quoted from guitarded:
That's what I got, minus the hack. Repinned both sides of this run/connection, relay and IC Board.
Full Board Rebuild already done, so it's not that...
Even sourced a replacement relay, and when I installed that everything worked for about 5 minutes...then back to no left side GIs.
I am thinking I am ging to have to repin whatever connection is supplying the GI Power to the Interconnect Board, I guess?
It's common to have broken traces (that are barely detectable) on that board. Remove it, flip it over, and perform continuity tests from the headers to all of the solder points.