If it turns over, it is probably lack of fuel. Either the fuel filter has been neglected or the pump has failed. Not changing the filter can cause the pump to fail.
check the distributor
How to install a battery?
If the 1996 Olds Aurora will not start and there is a clicking noise from under the front panel, check the starter. The clicking noise is probably from the starter solenoid.
check timing belt might have slipped
check the blower motor resistor it may be burned out
Check battery, cables, starter, starter solenoid, neutral safety switch
Check this stuff: Battery, Battery cables, Starter, A click usually indicates low power supply.
If the vehicle has a security feature check the fuse under the hood. My 2001 SL1 had that problem. its like a 30 Amp fuse.
check the battery. mine wont start if its 0 or colder.
check spark check spark
Answer: Check your starter
is it just blaring and wont stop or it wont let you start the vehicle?