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Sorry that is over my head. I don’t know what to do with that information

Any more advise on this. Still no spark.

Ok I finally had the chance to try your last advice on disconnecting that wire. Didn’t get a spark. Before I tried it I looked and the mower was definitely not engaged. But in case the pto thought it was I also tried unplugging it. Didn’t help either. Any other suggestions? Another man said...

Can I disconnect that and see if I have spark by grounding the end of the plug? Like I have been doing.

. Thanks for your response. Should I try disconnecting the pro switch and cranking to see if I have a spark.

The other thing I changed on this mower is a new ignition switch. I have to use a extra toggle switch with my ignition switch to connect two of the poles together so that it will crank. I have been using it this way for ten years or so. Just makes me wonder if that caused something else to go...

I put a wire to jump around the plastic thing and that did not help. Here is a kind of curious thing. I can pull up on the pto button and still get the mower to crank. I don’t remember being able to do this before. I thought that having the pto engaged acted like a kill switch in the past. I...

Well I got the new ignition igniter installed and I still don’t have spark.tried it with the new coil and even with the old one. Checked wiring over that it attaches to and do not see any breaks. There is this little plastic cylinder on the wire and I can’t tell why it is there or what is...

Very interesting post. I was able to locate the little silver box and JD gave me the part Number to order a new one. Only $10.00. It would be fantastic if this finally solved my problem. You are very knowledgeable and I sure appreciate your insightful help.

I looked that service manual over and I’m pretty sure that is not my engine. I only have one coil and that one has two coils. This is a John Deere F510 with a Kawasaki PA 420A engine.

Ok. I have tried it both ways and no spark. Do you know what else I should try?

Ok. Not sure what you mean. Did you see the post of my engine number. What would you recommend I try next. It’s a Kawa PA 420A

I obviously will have to have the kill wire connected to the coil for this part to work.

Flound it with your number for $14.00.

I see Am132770. Which says it fits F510. Looks like mine.

Ok. I guess there is a igniter ignition module. They have one for sale. on Amazon for $80.00. This seems to connect to the kill wire and. Everyone has been telling me to try to get spark with kill wire disconnected. I like your advice. Is there a way to test the one on there?

Wouldn’t be able to mount the coil upside down and have it still connect to the kill wire and spark plug. However I tried it upside down just to check to see if that might work and it did not. Set air gap to .010. Did not help. This is a kawa PA 420A-BS02. E/No pa 420A009701.

I d i don’t see anything that looks like a little small chip next to the starter. This mower is 27 years old and it may not have one. There is a clylinder looking module next to the starter that connects the large red wire to the battery.

My John Deere F510 riding mower will not spark. Has new plug , new OEM coil, new plug boot. Sanded magnet front and back. Gap is set to .012 on coil. Disconnected kill wire. Grounding plug firmly. Flywheel spins fast. Still no spark. What else could it possibly be?