This should fix it, why does our init update icons and not TG's?

code/game/machinery/lightswitch.dm

@@ -25,7 +25,6 @@
 	pixel_x = -26
 
 /obj/machinery/light_switch/Initialize()
-	. = ..()
 	if(istext(area))
 		area = text2path(area)
 	if(ispath(area))
@@ -37,7 +36,7 @@
 
 	if(!name)
 		name = "light switch ([area.name])"
-	update_appearance()
+	. = ..()
 
 /obj/machinery/light_switch/update_appearance(updates=ALL)
 	. = ..()

code/modules/power/solar.dm

@@ -25,7 +25,6 @@
 	var/efficiency = 1
 
 /obj/machinery/power/solar/Initialize(mapload, obj/item/solar_assembly/S)
-	. = ..()
 	panel = new()
 	panel.vis_flags = VIS_INHERIT_ID|VIS_INHERIT_ICON|VIS_INHERIT_PLANE
 	vis_contents += panel
@@ -35,6 +34,7 @@
 	Make(S)
 	connect_to_network()
 	RegisterSignal(SSsun, COMSIG_SUN_MOVED, .proc/queue_update_solar_exposure)
+	. = ..()
 
 /obj/machinery/power/solar/Destroy()
 	unset_control() //remove from control computer