To move them on ebay, price them slightly lower than what anyone else has SOLD the model for.
Be sure to note that software is required to program these; the manufacturer provides this software only to dealers; and you will not provide the software.
All this assumes that when you say DUMP you don't mean DUMP.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
