ec145/Models/instruments/engine_panel/engine_panel.xml

<PropertyList>
	<path>engine_panel.ac</path>
	  <animation>
        <type>material</type>
        <object-name>Plane</object-name>
     
        <emission>
            <red>0.028</red>
            <green>0.014</green>
            <blue>0.007</blue>
            <factor-prop>systems/electrical/outputs/instrument-lights</factor-prop>
        </emission>
    </animation>
</PropertyList>