Thank you blazen_red_4x4
I was hoping someone here knew about an easy way to kill the dome/courtesy lights without chopping into the harness [or cutting and inserting a kill switch to just the "ONE" right wire). I found a big pile of schematics online but not specific to my 4x4 so no chopping - yet.
The DRL module is definitely not present but the fuse panel to the left of instrument cluster has #15 / 10 amp fuse on what they call DRL / Fog lights (canada). Since no other destinations were shown, I pulled it and WALLAH !
No more DRLs and no apparent "side effects."