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Hey all, about 2 months ago i picked up a well taken care of 2100hr 997. I started by doing oil changes and typical maintenance. After sitting for the last week ive went out to start it and this time there is no ignition powers. No lights, no beeps, nothing. Battery is fully charged. The ground is perfect. I have tested both.
Can anyone give me any pointers as to what to start checking or how to diagnose this and if it is a common issue. I called the dealer today to try and order tech manual for it but i didnt have the vin. It appears to be missing unless someone knows where it may be hidden. Any help is appreciated. Thanks all....
 

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With anything like this you need to start with the battery. Either get it load tested or test it yourself.

To test it yourself you need to check the voltage while the starter is engaged. If the voltage drops below 10v your battery is bad.

After doing that and the battery tests OK then it’s time to start checking the safety switches.
 

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Battery has been tested, and ive tried starting the tractor while hooked to a booster. Zero power gets to the ignition.
Am i correct in thinking there are 4 safety switches on this machine?
 

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Battery has been tested, and ive tried starting the tractor while hooked to a booster. Zero power gets to the ignition.
Am i correct in thinking there are 4 safety switches on this machine?
Has the battery been load tested?

The reason I am stuck on this - we’ve had many many people diagnosing things just like this. They always say the battery is fine. After going down a rabbit hole of troubleshooting 90% of the time it turns out the battery was bad to begin with.

If the battery is dead - as in shorted out - it will not start with a booster or jump.
 

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You might as well start searching for a replacement battery. As the one you have needs replacing. I had the same problem last fall when I went to start my Z710A. The battery checked to have 14.7 volts. But it wouldn't start the tractor... nothing worked. So, I started looking at fuses, etc. All was well. So, I removed the battery in my JD 345 which was new and installed it in the Ztrak and it started like it should. I have a Battery load Tester, which I couldn't find at the time, and when located the tester I found the Ztrak battery wasn't up to the task.

With a new battery now installed, all is well in the mowing dept.
 

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If you have a few pieces of equipment and/or vehicles it doesn’t hurt to invest $20 into a battery load tester. I routinely check all my batteries especially before winter comes on...

Since I am working on my own it is just about impossible to test a battery load with a multimeter like I explained above. You need a second person to turn the key while you hold and watch the meter.

https://www.harborfreight.com/100-amp-612v-battery-load-tester-61747.html

E7A2A4AE-C8FE-41CB-96D1-371A85070B8C.jpeg
 

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So ive just finished running the load test. My load tester that looks identical to the one in the pic reads 12.4 sitting and when the load switch is held it drops to 11.3 and hold steady until the tester is glowing and i have to let go of the switch. To me those number seem fine. Does anyone have any input on that?
 

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So ive just finished running the load test. My load tester that looks identical to the one in the pic reads 12.4 sitting and when the load switch is held it drops to 11.3 and hold steady until the tester is glowing and i have to let go of the switch. To me those number seem fine. Does anyone have any input on that?
That seems about right for a good battery.

Time for some others to chime in to help you with the various safety switches on your machine. We have a few 997 owners lurking about.
 

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Maybe this will help?

Not sure it is right but what I found with a Google search

The 13-digit product identification number (serial number) is located on the left-hand frame under the hood
B25BB092-4442-4370-BE96-35490187C4BE.jpeg
 

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I would not discount the battery as the problem. So, let's do a little "bait and switch" here. Take the battery out of the car or truck you have and install it or set is so you can start (try) the Z997. If it starts, you know rest of the story. If not, you have a electrical wiring or fuse issue. And that could consist of a bad key switch, rectifier(s), relays, or diesel control modules problem. That would require you must go into the panel that houses of the switches, fuses, and other electrical components.
 
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