no spark from coil. on 1999 Dodge Ram Van 3500

the coil was replaced about a month ago ran for two weeks and wont run now. the coil is giving no spark, is there a way i can test the coil or is it another problem?

Asked by for the 1999 Dodge Ram Van 3500
I have seen many aftermarket coils are failing in a short period of time. I don't know if this is the case, but make sure to use OE Mopar coils.