diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
index b5e735683..8716a1125 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
@@ -1,7 +1,6 @@
 package net.torvald.terrarum.modulebasegame.gameactors
 
 import net.torvald.terrarum.CommonResourcePool
-import net.torvald.terrarum.ModMgr
 import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
 import net.torvald.terrarum.blockproperties.WireCodex
 import net.torvald.terrarum.gameactors.AVKey
diff --git a/src/net/torvald/terrarum/modulebasegame/gameitems/ItemLogicSignalEmitter.kt b/src/net/torvald/terrarum/modulebasegame/gameitems/ItemLogicSignalEmitter.kt
index 10478112d..4f2fa2189 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameitems/ItemLogicSignalEmitter.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameitems/ItemLogicSignalEmitter.kt
@@ -9,6 +9,7 @@ import net.torvald.terrarum.gameitem.GameItem
 import net.torvald.terrarum.gameitem.ItemID
 import net.torvald.terrarum.itemproperties.Material
 import net.torvald.terrarum.langpack.Lang
+import net.torvald.terrarum.modulebasegame.TerrarumIngame
 import net.torvald.terrarum.modulebasegame.gameactors.FixtureLogicSignalEmitter
 
 class ItemLogicSignalEmitter(originalID: ItemID) : GameItem(originalID) {
@@ -43,6 +44,12 @@ class ItemLogicSignalEmitter(originalID: ItemID) : GameItem(originalID) {
         // return true when placed, false when cannot be placed
     }
 
+    override fun effectWhenEquipped(delta: Float) {
+        (Terrarum.ingame!! as TerrarumIngame).selectedWireRenderClass = "signal"
+    }
 
+    override fun effectOnUnequip(delta: Float) {
+        (Terrarum.ingame!! as TerrarumIngame).selectedWireRenderClass = ""
+    }
 
 }
\ No newline at end of file