Added qdel(wires) to a bunch of objects Destroy proc.

Return ..()

code/modules/assembly/assembly.dm

@@ -25,6 +25,13 @@
 	var/const/WIRE_RADIO_RECEIVE = 8		//Allows Pulsed(1) to call Activate()
 	var/const/WIRE_RADIO_PULSE = 16		//Allows Pulse(1) to send a radio message
 
+/obj/item/device/assembly/Destroy()
+	qdel(connected)
+	connected = null
+	qdel(holder)
+	holder = null
+	return ..()
+
 /obj/item/device/assembly/proc/holder_movement()							//Called when the holder is moved
 	return