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No Spark On A Bh Parts Tractor Wisconsin Tra-10D Help!


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#1 sacsr ONLINE  

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Posted June 09, 2014 - 09:18 PM

This is a parts tractor that I wanted to see if it would run before I took the tractor the rest of the way down. The regulator looked pretty rusty and beat up so I replaced it with a "better looking" one I had off another parts tractor. I put a new solenoid on since after cleaning the posts on the one that came with it, there was no power to the starter. All contacts were cleaned at that time.....I then took a coil off of a known running motor.....new condenser and points.....again contacts cleaned.....it turns over but no spark at the plug. Where is the best place to start??


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#2 Texas Deere and Horse OFFLINE  

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Posted June 09, 2014 - 09:41 PM

Is the kill wire hooked up to the points? If it is, unhook it and see what you have.


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#3 sacsr ONLINE  

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Posted June 09, 2014 - 09:55 PM

Brian you are talking about the black wire from the coil (-) to the post under the points and condenser box right?
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#4 Texas Deere and Horse OFFLINE  

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Posted June 09, 2014 - 09:57 PM

Sorry, I was thinking about a mag. ignition. Do you have 12 V to the coil?


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#5 sacsr ONLINE  

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Posted June 09, 2014 - 10:11 PM

Not sure. I will check tomorrow.

#6 Texas Deere and Horse OFFLINE  

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Posted June 09, 2014 - 10:15 PM

You nay have a bad ignition switch if you don't have power to the coil, so just hot wire the coil to see if you can make it run.


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#7 JDBrian OFFLINE  

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Posted June 10, 2014 - 05:26 AM

Make sure you have a good connection from the engine chassis back to your battery - terminal. Check the points for good conductivity when closed. I've seen poor connections on both new points and older ones that have been sitting.


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#8 Bolens 1000 ONLINE  

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Posted June 10, 2014 - 07:02 AM

You nay have a bad ignition switch if you don't have power to the coil, so just hot wire the coil to see if you can make it run.

 

:ditto:

I'd try that first.

Another thing to check is, if you have the points cover on , it may be grounding out the points, remove the cover and see if you get spark. Also check the thin copper Terminal strip in the points box as they can crack off easily.


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#9 sacsr ONLINE  

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Posted June 10, 2014 - 07:08 AM

When you say "hot wire the coil" - do I take the two wires at the back of the switch (not starter wire) and jump them or is there a better/easier way?



#10 olcowhand ONLINE  

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Posted June 10, 2014 - 07:25 AM

Make sure the points push pin is working freely.


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#11 Bolens 1000 ONLINE  

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Posted June 10, 2014 - 07:27 AM

When you say "hot wire the coil" - do I take the two wires at the back of the switch (not starter wire) and jump them or is there a better/easier way?

 

I would just pull the wires on the switch and coil and hook up seperate leads to the battery and coil, something like this:

 

This is how I test mine,

 


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#12 Bruce Dorsi OFFLINE  

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Posted June 10, 2014 - 09:27 AM

If you have a continuity tester (it can be a light or meter):

 

(1) Remove the wire going from the coil to the stud below the point chamber.

 

(2) Connect one lead of the tester to that stud, and the other lead to a good clean spot on the block.

 

(3) With the points closed there should be continuity. ....If no continuity, clean the points!  ....Also check the copper strap for breaks.

 

(4) With the points open there should not be continuity.   ......If you have continuity with the points open, the copper strap may be grounding out, or the plastic insulators which the stud passes through may be grounding out.

 

(5) If everything above is as it should be, use the continuity tester to correctly set the points (which controls the ignition timing.)

 

(6) Once that is done, reinstall the wire from the coil - terminal to the stud.


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#13 crittersf1 OFFLINE  

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Posted June 10, 2014 - 10:10 AM

Scott, if you need help call me and I'll make time to come help you.


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#14 sacsr ONLINE  

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Posted June 10, 2014 - 08:36 PM

Alright I disconnected the wire from the coil- (it took me 10 minutes to get the nut on that post under the points last night) I am getting no continuity either points opened or closed- I do get continuity when touching the top part of the points but not to the lower points- no continuity at the copper strap or that nut but continuity if I touch the casing around it-

#15 crittersf1 OFFLINE  

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Posted June 11, 2014 - 11:38 AM

Points/strap/wire is grounded to the breaker plate.


Edited by crittersf1, June 11, 2014 - 11:39 AM.





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