Why wont my altenator charge my battery with a new altenator and battery? on 2007 Mazda B4000

Altinator went, I replaced it. Didnt help. Wont charge battery. I changed battery, checked every connection and fuse. I checked for any draws, just a week draw probably from my financing company's tracking system. Mazda service tech told me that the altinator must be either a ford or mazda manufactured which are twice the price. Is this correct? altinator i put in is testing good.

2 answers 1 comment
put an volt meter on your battery and make sure you have about 14 volts going to the battery
I'm not getting anything to the battery.
Will it start and run? If so and alt. not charging after you checked everything else, sounds to me like a defective alternator!