diff --git a/LTTP_RND_GeneralBugfixes.asm b/LTTP_RND_GeneralBugfixes.asm
index c186f3a..26c1359 100644
--- a/LTTP_RND_GeneralBugfixes.asm
+++ b/LTTP_RND_GeneralBugfixes.asm
@@ -317,6 +317,8 @@ DungeonMapIcons2:
 incbin "menu/map_icons_2.3bppc"
 DungeonMapIcons3:
 incbin "menu/map_icons_3.3bppc"
+DungeonMapDoorConnectors:
+incbin "menu/door_connectors.3bppc"
 MapSheetD4:
 incbin "menu/map_sheet_d4.3bppc"
 
diff --git a/dungeon_map/hooks.asm b/dungeon_map/hooks.asm
index be7cf80..3f622c1 100644
--- a/dungeon_map/hooks.asm
+++ b/dungeon_map/hooks.asm
@@ -2,6 +2,17 @@
 org $8AEE75
 db $08
 
+; use AA1 = $1C for map stuff
+org $80E193
+skip 7
+db $D6
+
+org $8AE11D
+LDA.b #$1C
+
+org $8AE12B
+LDA.b #$20
+
 ; change dungeon map subsheet gfx in TR
 ; org $80DDC9
 ; db $57
@@ -25,8 +36,15 @@ db $61, $56, $57, $62
 db $61, $56, $57, $62
 db $61, $56, $57, $62
 
+; unused chest data
+org $81E9A5
+dw $00F0 ; freezor room, second chest (only one chest in supertile)
+
+org $81EA6E
+dw $00F0 ; mire spike room, second chest (only one chest in supertile)
+
 org $81EAF8
-dw $00F0 ; mark the chest data in GT climb as being part of unused room
+dw $00F0 ; GT button/switch/bladetrap room (no chest in supertile)
 
 ; Dungeon Map Palettes 2-5 left half
 org $9BE544
diff --git a/dungeon_map/main.asm b/dungeon_map/main.asm
index 2f5b408..30155db 100644
--- a/dungeon_map/main.asm
+++ b/dungeon_map/main.asm
@@ -18,8 +18,7 @@ endmacro
 %WriteGFXSheetPointer($C9, DungeonMapIcons1)
 %WriteGFXSheetPointer($CA, DungeonMapIcons2)
 %WriteGFXSheetPointer($D5, DungeonMapIcons3)
-
-; %WriteGFXSheetPointer($D6, DungeonMapIcons2)
+%WriteGFXSheetPointer($D6, DungeonMapDoorConnectors)
 
 ; TR is such a problem child
 ; %WriteGFXSheetPointer($A6, DungeonMapIcons2)
diff --git a/menu/door_connectors.3bpp b/menu/door_connectors.3bpp
new file mode 100644
index 0000000..39df1c0
Binary files /dev/null and b/menu/door_connectors.3bpp differ
diff --git a/menu/door_connectors.3bppc b/menu/door_connectors.3bppc
new file mode 100644
index 0000000..d8a966c
Binary files /dev/null and b/menu/door_connectors.3bppc differ