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#1
09-17-2010, 09:13 PM
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149 Getting spark only when turning key off
Hi everybody,
I replaced my solenoid (thanksTyler C), now then engine turns over without jumping. I pulled the plug and noticed that the only time I got spark was when I turned the key off. I don't have the V/R hooked up. Could that have something to do with the problem? I'm encouraged that I at least I have spark. But I need advice as to what might be wrong. Thanks in advance tt 
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#2
09-18-2010, 08:28 AM
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Spark only when turning key off
Sounds like the points are not opening.
Cadet Farmer
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#3
09-18-2010, 10:14 AM
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Tim:
I would have to say... (A) That the Ignition Switch is defective (B) That the tractor isn't wired correctly. (C) That there maybe non Cub Cadet Parts installed (D) That some wires are rubbing together that shouldn't be. Click on this link to make sure you wiring is in order.... Wiring Diagram
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#4
09-18-2010, 06:05 PM
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149 getting spark at wrong time
I rechecked the static timing and the points are opening and closing.
The wiring diagram Rolland provided the link for looks to be the same as my service manual. Wiring looks right. From the schematic it would appear that the V/R should not affect the ignition circuit, but I'm not real slick with the electrical end of this.(haha-obviously). I can't put the V/R back in yet because I can't find the right kind of fusible link that looks like solder. The stuff at auto-parts stores is insulated copper. this should be another thread. Back to your suggestions. I took the ignition switch out of my 127, put it in the 149 with the same result. Got a single spark when I turned the key off. The engine did turn over. The coil and condenser were also cannabilized from the 127. The only thing I can come up with is maybe having a drop of solder reconnect the fried fusible link. Suggestions welcome. Tim
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#5
09-18-2010, 06:13 PM
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Just a thought but it sounds to me like you maybe have a bad ground. I would go through the machine and clean all ground wires. Electrical circuits can do some funny stuff not being grounded properly.
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#6
09-18-2010, 07:27 PM
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What fusible link.....??? Where is it in the Diagram...???
__________________
[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#7
09-18-2010, 10:21 PM
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Firing of the Spark Plug
My thoughts are,
We know that when the points open, thereby removing current from the primary windings in the coil, this causes the secondary windings in the coil to discharge and fire the plug. So I am thinking that something is supplying current to the primary side of the coil even when the points are open, (such as a short across the points). Then when the key switch is turned off, thus removing current from the primary coil windings, the secondary windings discharge and fire the plug. Cadet Farmer (please excuse me if I am sounding like a shop teacher again)
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#8
09-18-2010, 10:25 PM
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I went through the same exact issue, the only time it would fire was when the ignition switch was released after turning over/attempting to start. My issue was the ignition switch combined with the wiring harness. The plus on the ignition switch are pretty much junk on aftermarket ignition switches... they don't correlate to the wiring diagram, then when you try to trace these down it only adds to your problems. I OEM ignition switch, and wiring harness is a must when troubleshooting electrical spark/crank/ignition problems.
That being said I did see you salvaged know good working parts from another mower... you also need a meter to trace/troubleshoot problems. This is the way I do it, and I assure you nothing is more frustrating than troubleshooting electrical/starting problems on garden tracter.
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#9
09-18-2010, 10:32 PM
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That's fire suppression talk!!
Quote:
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#10
09-18-2010, 10:36 PM
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I have a 1450 that does the same thing once in awhile. I have to reach around and move the connector around that plugs into the switch .
One of the wires/terminals are bad. Something else i need to fix !! Does anyone know if the big plastic connector that plugs into the switch can be purchased new ?? The terminals inside it also ??
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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