Two problems related to ignition module have been reported for the 1996 SAAB 900. The most recently reported issues are listed below.
Driving smoothly at 50 mph in 1996 SAAB 900 se turbo, 99k miles. Engine rpm suddenly but smoothly drops to zero and stopped in a very unsafe place on the highway. Car would not re-start. Absolutely no faults of any kind occurred during the months leading up to this incident. This car's direct ignition cassette was replaced once already in Jan. 2000 by the previous owner.
Prior to di failure, starting impairment and misfires detected with cel. Upon failure, car would not run and steering was lost. To correct failure, new di was fitted after it was broken. Symptoms should have been reason enough to change it early.