Check your positive battery cable--all leads, including the junction right next to the battery. Also check all the grounds.
Check the security system; do you have an owner's manual? There is a way to reset it. I doub this is a problem.
The direct ignition cassette--i dont remember how to test it, but take it off and see if there is cracking rubber/ damaged boots.
i don't have a clue what "rose joint suspension" is, and what bolt on gear means. what kind of "bolt on gear." saabs can be finicky.
When you say tick do you mean turn over? Like the engine just won't fire? Pull the DI cassette and check for spark.
How is vaccum? A horrible vac leak could cause problems, although I think it would start.
Mass air sensor--see if the airflow meter down by the intake is plugged in, and if so unplug it and see if it makes a difference.
Try to find the diagnotics codes...it should be and ODB I or 0 system, so you can probably read the error codes from the CEL. I'm not sure where to jump it in that car, though.
If you want my best guess---it is either still TCS or it is the Ignition unit. My car had an issue similar to this, but it was the positive battery cables. These are extremely important, one is routed to the computer, one to the starter, one to the "other stuff."
Good Luck, Evan
Oh yes, I would recommend stopping over at
www.saabnet.com.
Lots of Saab techs can help you out over there, they know almost everything that could possibly go wrong.