bigd7315

I got a 92 s10 that came with the 4.3 it has a 305 ho I put in it using the fuel injection and computer from the 4.3 ran great got good mileage and all, I decided to take it obn a short trip and in cut off going down the road, upon trying to recrank it was smoking around the coil, I towed it home, changed the coil, the distributor, ignition module, distributor cap and rotor button, the ecm, and I have check for power, the coil is getting power, just no spark from the coil so tell me whats my possibilities

taillight

Check for power to the ECM.

bigd7315

where do u do that which part of the ecm there is 4 plugs
and if I don't how do I fix it keep in mind I have already changed the ecm and I am getting fuel at the thottle body just no spark

taillight

You will need a manual (haynes) and look to see which wire or wires have battery power. Check fuses first.