Please help from Argentina no start

[drcuadrado@gmail.com]

hello dear zr1 owners, Im from Argentina and have a 1990 zr1 lt5 and never hace a problem, my battery gone dead after no use, and try to recharge it inside the car, I smell a Plastic burnt but didnt get where( it was near the ecm)
that battery was dead, just replace it and when I get in the car ,notice that have no security flashing light, no dash Lights on the left side, only the brake red light and other, front panel turns on, have radio and the front lights work well.
but no ignition at all
have no clue Where to start!!!
please any help will be great, excuse my english Im from the South part of the world