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post #1 of 14 Old 09-18-2019, 11:06 PM Thread Starter
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JD 445 will not start - no spark

It's a 1993 JD 445 that won't turn over anymore. It started fine a few days ago when my son took it out to cut for about 5 minutes. I've had the tractor about 15 years now and maintain regularly.

I've checked other posts on this issue and have tried a few of the suggestions. Here's my issue:
1. turn key, console lights up so battery is good, when middle light goes off, turn key further to start it. It makes a fairly loud steady sound as I turn the key, like it's trying to fire but doesn't.
2. I checked the plugs and there is no spark. I replaced the plugs and still no spark. Oh yeah, when I try to start it, it backfired on two attempts, so fuel is getting there.
3. the seat safety switch was okay, but I bypassed it anyways and still no spark.
4. I always use premium fuel. I also changed the air filter as part of my maintenance.

What's next? The brake has to be pushed in to start it. Is there a safety switch somewhere that is associated with the brake pedal? The PTO switch is fine.

serial # is M00445A011748.

Thanks a bunch
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post #2 of 14 Old 09-19-2019, 07:59 AM
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Re: JD 445 will not start - no spark

Not familiar with this machine. But if it has a coil I would definitely test it or replace it.

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post #3 of 14 Old 09-19-2019, 08:44 AM
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Re: JD 445 will not start - no spark

Rock, Check + side of coil to ground while cranking engine and you should see 12 volts. If none, bad wire or ignition switch. Then check - side of coil to ground. I believe (??) you should see 7-9 volts, then to 0 volts, back to 7-9. If you have this, coil is good and points are good. If no voltage, remove wire & condenser from - side of coil and check again for voltage. If voltage, coil is good, wire to points or condenser, or points bad. If 7-9 on - side of coil, replace wire from coil to plug. Bob
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post #4 of 14 Old 09-19-2019, 10:31 AM
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Re: JD 445 will not start - no spark

The 445 tractor engine is EFI and full electronic ignition using pulser pickups with an electronic brain called the ECM (marked as Fuel Injection Control Module)

Russ

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post #5 of 14 Old 09-19-2019, 12:49 PM
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Re: JD 445 will not start - no spark

Check the two LED's on the PCB and see if they are both on. If not it will never start. Search for the remedy to getting both lights on. It has been discussed many times here. It is probably one of the safety switches out of adjustment. The two pedals are usually the culprits and moving either one up or down a tiny bit will usually solve the problem.
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post #6 of 14 Old 09-19-2019, 08:37 PM Thread Starter
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Re: JD 445 will not start - no spark

Quote:
Originally Posted by inspectorudy View Post
Check the two LED's on the PCB and see if they are both on. If not it will never start. Search for the remedy to getting both lights on. It has been discussed many times here. It is probably one of the safety switches out of adjustment. The two pedals are usually the culprits and moving either one up or down a tiny bit will usually solve the problem.
All three lights on the PCB light up strong, with the middle light staying on for 2 seconds after turning the key. If the two outside lights on the PCB are the test for the neutral safety switch, then it's not that switch right? And since lights are strong and I can turn on the headlights, battery and cables are good right? It's not the seat switch because I jumped it.
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Old 09-19-2019, 08:38 PM
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post #7 of 14 Old 09-19-2019, 08:40 PM Thread Starter
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Re: JD 445 will not start - no spark

Quote:
Originally Posted by RussKish View Post
The 445 tractor engine is EFI and full electronic ignition using pulser pickups with an electronic brain called the ECM (marked as Fuel Injection Control Module)
Hi Russ, does that mean there are specific tests I should be doing / not doing? Thank you
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post #8 of 14 Old 09-19-2019, 09:08 PM Thread Starter
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Re: JD 445 will not start - no spark

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Originally Posted by rocksoldier View Post
All three lights on the PCB light up strong, with the middle light staying on for 2 seconds after turning the key. If the two outside lights on the PCB are the test for the neutral safety switch, then it's not that switch right? And since lights are strong and I can turn on the headlights, battery and cables are good right? It's not the seat switch because I jumped it.
My bad, I was talking about the lights on the dash. As for the PCB, I just checked and I get both the green and red light on when I press on the brake to start it.
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post #9 of 14 Old 09-20-2019, 02:58 AM
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Re: JD 445 will not start - no spark

Did you play with the two pedals? Set the brake and then turn the key to start while lifting the reverse pedal a tad and then pushing down on the go pedal a tad. If it is one of the two pedal position switches then it will start.
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post #10 of 14 Old 09-20-2019, 10:09 AM
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Re: JD 445 will not start - no spark

Do you have the TM1517 for that model L&G tractor? Check your PM on this forum.

Russ

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post #11 of 14 Old 09-21-2019, 04:15 PM
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Re: JD 445 will not start - no spark

Cam gear ever been replaced?

..

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post #12 of 14 Old 09-21-2019, 05:12 PM Thread Starter
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Re: JD 445 will not start - no spark

Update for everyone. It is the camshaft!
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post #13 of 14 Old 09-21-2019, 05:21 PM
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Re: JD 445 will not start - no spark

How many hours did you get on the plastic? 1993 was a long time ago!

In the past:
Craftsman, MTD, Snapper, 1961 Ford 801 Powermaster, 1992 LB 4.5HP 580546, 2003 LB 10552 6.5HP Duraforce, IH Cub Cadet 105, 2001 Cub Cadet 2146 14HP Linamar 38" deck, love of my life (Sold 10 Dec 2011), 2007 Cub Cadet 2550 22HP Kohler Vtwin 50"deck (Sold 22 Aug 2018)
In use:
1994 JD LX178 sweet little mower, only 15HP, twin cyl, 38" deck, liquid cooled!
1998 JD 445 22HP Shaft driven wheels, shaft driven 60" deck, diff-lock, hydraulic lift, power steering, fuel & temp gauges, fuel injected, and liquid cooled! This machine has it all!
2005 Nortrak NT 254 25HP Diesel 5' FEL, here's a case of cost-cutting, I only need a tractor 3 or 4 times a year

Going to try to stay Liquid Cooled the rest of my life! Hey, it gets HOT here!
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post #14 of 14 Old 09-29-2019, 01:51 PM Thread Starter
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Re: JD 445 will not start - no spark

Quote:
Originally Posted by mowergene View Post
How many hours did you get on the plastic? 1993 was a long time ago!
Cam gear now changed.
I got over 1400 hours on the plastic cam gear. That's really good. The new one is steel, so won't be the next part to go!
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