Chevrolet Repair: spark issues on blazer, blown fuses, distributor cap

Question
i have a 1993 S blazer 4x4 with the 4.3L vortec "W" code and it recently decided it didn't want to start anymore, so i change the plugs distributor cap and rotor also the ignition coil. But the plugs still wont fire please help me

Answer
Hello Luke, OK lets start at the top. Test for 12 volts at the ignition coil. If there isn't, check for blown fuses. Next test the pick up coil in the dist for ohms, should be 800 to 1500 ohms. If not replace it. While your right there make sure the the rotor turns while cranking the engine. Now replace the ignition module.

This should help you out

Have a Great Day        Mark