Search results

I still don't have spark. I don't know what to do? Would there be any codes? How do I check if the Ignition module is bad? Any help? Also where can I get a good service manual? I need electrical flow charts ect..

I have no voltage on the A and D wires from my ignition module. I just the wires that go to the coil and they are fine. I even did a continuity check and they are good. What is a grounded coil circuit?

All of my wires are on they way they are supposed to be. I check to see if anything had been pulled from the coil and everything checks out. What would you guys suggest I do first? I don't want to dump money in parts that are still working. Is there a way to test my coil or to see if my opti is...

I does not have spark at the plugs. I checked three spark plugs and nothing. I also checked to see if there was spark from the opti to the coil and there was nothing. Could this be a coil or a ecm?

I own a 1994 corvette VIN P and it has had a lot of problems in the past year. My opti spark when bad so I replaced it with a new AC DELCO opti. I was running for about a 6 months. About three days ago went to start it and it just turns over. I noticed that my water pump started to leak out of...

Replaced the cat on my vette and it died on the high on the way home from the shop. I took it back to the shop that put the cat on and they said it was fine and did a scan. The code was a "16" which is opti spark. I bought a new acdelco opti and installed it. There was no start. So I ran a check...