JD 4300 Starting Problem!! Interlock?: John Deere Review  -- John Deere Tractors Discussion Forum and Review JD 4300 Starting Problem!! Interlock?: John Deere Review -- John Deere Tractors Discussion Forum

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 02-23-2007, 08:51 Post: 139970
Haney1



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 JD 4300 Starting Problem!! Interlock?

Hello,
I have a problem starting my JD4300 and was hoping to get some help.

I have owned this tractor for about 2 years now. Never has it failed to start.. I have not used the tractor since Novemeber and went out last night to start to use the boom pole to set a motor out of a truck... I heated the tractor by pushing in the key and then moved to the start position... NOTHING! I made sure the PTO's were disengaged and tried again. Nothing, no clicking nothing.

I first thought battery so I got my mulimeter out and I have 12V on the battery. I know that you can have this with no load, so I left the multimeter on and tried to start, still 12V. I even cut on the headlights and they do not dim or anything when I move to the start position. I am certain it is not a battery.

I am thinking that some interlock has me locked out. When I sit in the seat and turn the key, I hear the loud click and when I get up I hear the click again if the key is on. I also checked the switch with my multimeter and it works.

I THINK my problem is with the interlock on the foward / reverse pedals (this is a Hydro tractor). A couple times while mowing last year, I would turn the tractor off and then go to start and it would do the same thing. I could then press the foward / reverse pedal a couple times and it would then start. I also noticed a couple times that If I stopped the tractor, disengauged the PTO and then tried to get out of the seat, sometimes the motor would surge up and down like it was going to die. I could sit back down and rock the tractor with the forward/reverse pedal and then get up and it would idle.

I unpluged this switch and jumpered it out and still nothing. I removed the jumper and tested for continunity in the wires leading to the dash and they are closed. Do I have a relay bad? If so, can someone give me a clue which one. I do not have a maintenance book for this tractor.

Any help someone could give me, I would greatly appreciate. If I need to troubleshoot or look elsewhere, just point me in that direction...

Thanks,
Jamie






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 02-23-2007, 10:31 Post: 139973
Chief



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 JD 4300 Starting Problem!! Interlock?

When you turn the ignition switch on, are you getting any malfunction codes from the light on the right fender?






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 02-23-2007, 10:35 Post: 139974
Haney1



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 JD 4300 Starting Problem!! Interlock?

I have not looked for any lights. There is nothing different on the dash but you say right fender. Which light? And what are the codes?






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 02-23-2007, 10:42 Post: 139975
hardwood

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 JD 4300 Starting Problem!! Interlock?

I think the code lights on the fender are only on the 10 series and newer. Frank.






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 02-23-2007, 10:47 Post: 139976
Chief



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 JD 4300 Starting Problem!! Interlock?

My mistake. I was thinking 4310 not 4300. Looks like you will have to individually isolate each safety lockout and troubleshoot the starter system if not the safety lockouts.

Not sure it the problem is on my end or what but GEEEEEEEEEEEEEEEEEEEEEEZZZZZZZZZZZZZZ TP takes FOREVER to load up!






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 02-23-2007, 10:52 Post: 139977
Haney1



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 JD 4300 Starting Problem!! Interlock?

I was really hoping that there was going to be a common problem that already had a fix, but it looks like I have a date with a multimeter.

Does anyone have a wiring diagram for my 4300 that they could email me? I would be interested in the interlock and starter diagram. This would help me tremendously.

Also, are there any other interlocks besides the seat, pedals, and PTO? Are these switches normally open or closed. I guess what I am saying if they are normally closed then I can unplug and jumper out right?






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 02-25-2007, 23:13 Post: 140010
Billy

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 JD 4300 Starting Problem!! Interlock?

If your battery is only showing 12 volts, you have a seriously discharged battery. Other than that and what you've already checked, check you fuses and for any loose wires.






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 02-26-2007, 06:51 Post: 140014
Haney1



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 JD 4300 Starting Problem!! Interlock?

Does anyone have a wiring diagram for the interlocks and starting circuit for a 4300 that they could email me?






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 02-26-2007, 07:48 Post: 140016
Billy

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 JD 4300 Starting Problem!! Interlock?

Haney, you can order the Technical Manual on CD-ROM (TM1677CD) from JD for about $65.00. Or the paper version (TM1677) for about $130.00






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 02-26-2007, 10:08 Post: 140019
Haney1



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 JD 4300 Starting Problem!! Interlock?

Where can I make this order?






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Review Forum

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AnnBrush 3 | Billy 3 | Chief 2 | Haney1 9 | hardwood 1 | lsmith600 1 |




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