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JohnF2015, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1132
Experience:  Owner/Service Technician at S & J Small Engines
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Our Z425 ran fine 2 days ago; went out to start it yesterday

Customer Question

Hi. Our Z425 ran fine 2 days ago; went out to start it yesterday ... no joy! The hour meter doesn't even show in the window; their is no audible click when we turn the key. We checked the battery--it's 100% charged.
Submitted: 2 years ago.
Category: Small Engine
Expert:  JohnF2015 replied 2 years ago.
Did you load test the battery or just a static check for voltage. In order to properly test a battery you really need to do a load test which will identify the true condition of the battery. Sometimes a battery can check good on a static test but when load tested may show a completely different result. Load testing will tell you what the battery is actually do when you put a load on it or turn the starter key.
Customer: replied 2 years ago.
We swapped the z425-battery with a known good battery from our other JD: The z425-bat cranked the 2nd JD; the 2nd JD-bat did nothing when attached to the z425.
Expert:  JohnF2015 replied 2 years ago.
The second battery when installed on this machine made no difference at all. No lights, hour meter or anything.
Expert:  JohnF2015 replied 2 years ago.
I would check the fuse on the machine to make sure that it is good.
Customer: replied 2 years ago.
Already did that, too. Can the K2 be bad without any visible indicators (such as the "break" on the others)?
Expert:  JohnF2015 replied 2 years ago.
It could be.Can you gain access to the back of the ignition switch? I want you to check the wires coming into the switch for voltage, you should have at least one wire that has voltage on it(most likely a red wire) coming up to the switch.