SAAB 900 Turbo 1992 SRS idiot light came on now wont start.?

I was driving and the SRS light came on, I thought I could smell something and the radio quit working and I drove about a mile back to work. I went to start it and it was dead. The lights come on but it wont start. When I turned the key on I thought I smelt something again. I tried to jump it but it wont turn over. Please help. Thank you.
 
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