G'day Lance,
I have a 2011 model 3 door Prado. The inverter is in behind the panel near where the plug is located.
It is only a small capacity inverter capable of recharging your mobile phone or laptop computer. It will not run a small fridge.
Regards
Bassett52
2011 Toyota Prado 150 SX T/D Auto (3 door)2013 Nova Terra Sportz Pop-Top
Living the Dream !!