FGR2Phantom/Models/Instruments/caution/master-caution.xml

<?xml version="1.0" encoding="UTF-8"?>

<PropertyList>

 <path>master-caution.ac</path>

  <animation>
    <type>noshadow</type>
    <object-name>caution</object-name>
  </animation>

  <animation>
    <type>select</type>
    <object-name>caution</object-name>
  <condition>
   <and>
     <not>
     <property>gear/gear[0]/wow</property>
     <property>/sim/model/lights/sbc1/state</property>
     </not>
     <less-than>
	   <property>systems/electrical/volts</property>
	   <value>16</value>
     </less-than>
    </and>
   </condition>
  </animation>

  <animation>
    <type>material</type>
    <object-name>caution</object-name>
    <emission>
      <!-- <factor-prop>systems/electrical/outputs/instrument-lights-norm</factor-prop> -->
      <red>   1 </red>
      <green> 1 </green>
      <blue>  1 </blue>
    </emission> 
  </animation> 
</PropertyList>