hello everyone, i really need some help here,,i bought an 84 dodge ram truck last month and its been running great, til now. the radio died, motor started sputtering then it just died. replaced alternator and it ran fine for bout 10 minutes,,same thing, radio went out truck sputtered then died, someone told me its the battery but its a year old has plenty of spark. thanks for any help you can give me.

Welcome to DF! I'll move your post to the proper section so you can get the most help with your problem.