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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 13581
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have a Deere 300x cranks but no fire to the plugs, It just

Customer Question

I have a John Deere 300x cranks but no fire to the plugs
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: It just started
JA: Do you have fuel in the tank? If so, is the shut-off valve open and the fuel clean?
Customer: Yes
JA: Do you plan on doing the work yourself?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: It's some kind of ground thing that keeps it from starting.
Submitted: 1 year ago.
Category: Small Engine
Expert:  JohnF2015 replied 1 year ago.

Hi, my name is***** will be assisting you.

The first thing that I would do is unplug the ground wire going to the ignition coil(s) then try cranking the engine and checking for spark. Keep in mind that if you start the engine with these unplugged there is no way to shut the engine off immediately, you will have to pull the plug wires from the plug or manually choke it until it dies. If you get spark with the ground wire unplugged then you know your problem is backwards in the wiring or safety switches, if you still have no spark then the problem is your ignition coil(s).

By the way, what engine do you have in this machine?