No spark no spark no spark

[cgp]

2002 GRAND PRIX 3.1 L
The car just stops having spark.I have changed the crankshaft position sensor(the one behind the harmonic balancer)and the ingnition control modual.What should i change next.This car and spark thing is driving me nuts.

[Explicit_Spade]

Spark Plugs.

[cgp]

we have a spark tester and it doesnt have spark<br>

[Explicit_Spade]

Grounds.

[cgp]

grounds on what?

[Fivefingerdeathpunch]

icm.

[cgp]

i already changed that.