Where are the spark plugs on 2009 4.7L dodge trx?

The 2009 Dodge TRX is a fictional vehicle. However, you may be referring to the 2009 Dodge Ram 1500 with the 4.7L engine. If that is the case, here is the information you requested:

The spark plugs on the 2009 Dodge Ram 1500 with a 4.7L engine are located on the top of the engine, beneath the ignition coils. To access the spark plugs, you will need to remove the ignition coils. The spark plugs are located in the center of each ignition coil.