diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
index c2ad8ddb2..5aee3cbcf 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureBase.kt
@@ -76,8 +76,9 @@ open class Electric : FixtureBase {
     // these are characteristic properties of the fixture (they have constant value) so must not be serialised
     @Transient val wireEmitterTypes: HashMap<BlockBoxIndex, WireEmissionType> = HashMap()
     @Transient val wireSinkTypes: HashMap<BlockBoxIndex, WireEmissionType> = HashMap()
-    @Transient val wireEmission: HashMap<BlockBoxIndex, Vector2> = HashMap()
-    @Transient val wireConsumption: HashMap<BlockBoxIndex, Vector2> = HashMap()
+
+    val wireEmission: HashMap<BlockBoxIndex, Vector2> = HashMap()
+    val wireConsumption: HashMap<BlockBoxIndex, Vector2> = HashMap()
 
     // these are NOT constant so they ARE serialised. Type: Map<SinkType (String) -> Charge (Double>
     // Use case: signal buffer (sinkType=digital_bit), battery (sinkType=electricity), etc.
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
index c16a915b5..c3b150e53 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureLogicSignalEmitter.kt
@@ -35,6 +35,10 @@ class FixtureLogicSignalEmitter : Electric {
         setWireEmissionAt(0, 0, Vector2(1.0, 0.0))
     }
 
+    override fun updateSignal() {
+        setWireEmissionAt(0, 0, Vector2(1.0, 0.0))
+    }
+
     override fun dispose() { }
 
     companion object {
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureMusicalTurntable.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureMusicalTurntable.kt
index 857e0b9c2..941b961ee 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureMusicalTurntable.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureMusicalTurntable.kt
@@ -28,7 +28,9 @@ class FixtureMusicalTurntable : Electric, PlaysMusic {
     constructor() : super(
         BlockBox(BlockBox.NO_COLLISION, 1, 1),
         nameFun = { Lang["ITEM_TURNTABLE"] }
-    )
+    ) {
+        clickLatch.forceLatch()
+    }
 
     @Transient var musicNowPlaying: MusicContainer? = null; private set
 
diff --git a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalSwitchManual.kt b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalSwitchManual.kt
index 0bdcca266..b4a45b548 100644
--- a/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalSwitchManual.kt
+++ b/src/net/torvald/terrarum/modulebasegame/gameactors/FixtureSignalSwitchManual.kt
@@ -21,7 +21,9 @@ class FixtureSignalSwitchManual : Electric {
     constructor() : super(
         BlockBox(BlockBox.NO_COLLISION, 1, 1),
         nameFun = { Lang["ITEM_LOGIC_SIGNAL_SWITCH"] }
-    )
+    ) {
+        clickLatch.forceLatch()
+    }
 
     private val variant = (Math.random() * 8).toInt()
     private var state = false // false = off