1995-1997 Chevy Tahoe Ignition Starter Alarm Switch "fire alarm goes" Questions

...goes under it and out to the module plug check that there is low resistance through the pickup coil under the advance plate that the rotor is bolted to check that the ignition module is working check ...

Truck runs good than next day doesnt want to start, runs rough ! Truck runs good but mis-fires jerking affect, It has been to dealer changed water pump, fuel pump, pressure checked replace head ...

1997 5.7 FIRING ORDER if u are looking at the motor on the right up front is #1then it goes to the left #2 and so on and so on.

...on it. If that is ok then I would take the module in the dist and have it checked I think I might do this first as when the module goes out it just will not allow the truck to fire. Hope this