willie nillie

First SRS light,  abs light,no accelorator read out "stayed fixed @a zero mph read out, radio went dead, odometer flat lined  to just little - - - - - - all the way acrossed!! Gradual power loss to where I was flooring the acceleration and going about 40, until eventually everything powered down to a hualt ooooozzzing the last life from a brand new battery!!!! Altinator?? Yes! .? I am the second owner but have no clue how long the vehicle may have probably sat! Thoughts? Or suggestions of things to check?