John deere 285 Kawasaki 590V no fire left cylinder
Hello,
I have Jonn Deere 285 with Kawasaki 590V Engine.
Purchased it used with 1,200 hours on it for cheap.
When cranked the engine, didn't get spark on the left cylinder.
Read the manual and pretty much any forums I could find.
Did my testing as follows:
1- Swapped spark plug from good to bad -> Still Right sparked, left didn't
2- Swapped coils -> Still Right sparked, left didn't
3- Measured pulsars ohm, both reading the same
4- With hand wire connected left (bad) pulsar to right (good) input of ignition module -> Still right sparked
5- With hand wire Connected right (good) pulsar to left (bad) input of ignition module -> Still no spark on left cylinder
6- Sequentially connected each pulsar to ignition module, the took the right (good) cylinder output from ignition module and connected to left (bad) cylinder and got spark
Before starting this, I was certain the issue was the pulsar, but surprisingly the tests seems to show my issue is ignition module not firing one cylinder. It does not matter which pulsar I connect to ignition module, I get spark on the right cylinder and never on the left. If connect the right cylinder output of the ignition module to left (bad) cylinder with either pulsar, I get spark.
Is this test conclusive enough or do I need more testing?
I even took out the ignition module and opened the cover, it smelt like hot wire (burnt components), but wasn't lucky yet to take out the board.
Also, with these many hours, not sure if after fixing this something else might go wrong. How long do these usually last?
Thanks in advance
walt2002
mownie
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mownie