I have a 97 Chevy 1500 it started with a bad fuel pump relay I thought was the fuel pump so I put 2 pumps in still wouldn't crank. Poured a little gas in the TB no crank so I pulled #1 plug no fire. I put in a new crank sensor, 2 new distributors new ignition coil and module and a new ignition plugs are good wires are good. Took a wire and plug and plugged to the ignition cool and it got fire to that plug sometimes it fires when hooked to the distributor some times it won't. I don't know what else to do other than set engine to TDC pull distributor and reset it which I've been doing about 2 times a week hoping for something to happen. Anybody can help I would be greatful