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Tecumseh engine ser 143346012 model 4003d riding mower seems like ign safety grounds out ign when hooking coil wire to to magneto new coil and old coil

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  • 21 Answers

You may be able to find help or a diagram at the SEARS Parts web site. Here is the link for your engine model number. You should be able to past it into the address bar of your browser if it doesn't automatically link to the page by clicking:
http://www.searspartsdirect.com/craftsman-parts-all-products-parts/model-143346012/0247/1503500.html?searchType=modelSearch&prst=&q=143346012&searchTerm=143346012&shdPart=

Posted on Nov 02, 2015

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Posted on Jan 02, 2017

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  • 109 Answers

SOURCE: mtd riding mower model 13AT688H731 B&S 21HP

Did you change the voltage regulator???

Posted on Apr 24, 2009

  • 246 Answers

SOURCE: Murray riding mower Mod. #30575x8a will not start.

Hello:

You can View a Schematic at the Following Site Addy. Select the OEM Briggs and Stratton (Murray Power).
Hope this Helps.

Good Luck

Respectfully

John

Posted on May 10, 2009

  • 34 Answers

SOURCE: new 12hp tecumseh engine won't fire

IF THE ENGINE WILL TURN OVER WITH THE KEY YOUR PROBLEM LIES WITHIN THE ENGINE ITSELF
PULL THE SPARK PLUG AND LIE IN ON A GROUNDED SURFACE WITH WIRE ATTACHED TURN ENGINE OVER AND VISUALY CHECK FOR SPARK
IF STILL NO SPARK YOU WILL NEED TO PULL FLYHEEL TO CHECK POINTS AND COIL
IF YOU NEED ASSISTANCE IN THESE PROCEDURES LET ME KNOW

Posted on Sep 19, 2009

  • 62 Answers

SOURCE: I have an ariens Fairway model riding mower won't start

DISCONNECT THE SAFTEY SWITCHES FROM THE ENGINE STOP SW. MAKE SURE THE ENGINE HAS SPARK.THEN DO PROCESS OF ELIMANTION

Posted on Sep 25, 2009

Testimonial: "This is exactly what I did and found the clutch safety switch was sticking closed.Thanks a lot for your suggestion and help."

  • 10 Answers

SOURCE: I have an old riding

first two are stater wires, red is positive, black wire. it will probley be going to a orange wire. the other wire from coil is the kil wire going to ground to your switch

Posted on Apr 25, 2011

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1 Answer

Ign switch cut out.need wiring dighram model cv15s ser. 2534924594


that is the motor number,we need the tractor numbers under the seat,if a belt went bad,then the problem is a safety switch,take the top of the engine off and unhook the little black wire from the coil and try to start it,if it starts,its a safety switch,seat,clutch,deck

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70's sear boat motor made by Tecumseh.no spark after engine replaced.new electronic ignition coil plug spark had units tested and got lawn mower guy shock.they are good.ign fixed mount/no screws


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Mar 01, 2015 | Garden

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Tecumseh troubleshooting


Three things, the magneto is faulty, the circuit is grounded, the plug wire or boot is faulty. A quick test is to remove the small ground wire from the magneto (usually black), if you then get spark the circuit is grounded by a safety switch or a bad wire segment. If not remove the spark plug rubber boot and remake the connection, if you get spark you've fixed it and if not you need a new magneto.

Jul 29, 2014 | Tecumseh Garden

1 Answer

Why is the engine cutting out after a few minutes of running and hard to restart.


Would most likely be to a loss of spark or
the ignition coil is being grounded out, like
your turning it off (loose coil ground wire touching
somewhere)

Sloppy work prior to having the problem

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1 Answer

How do I check the Magneto armature (Ignition Coil) on a Briggs and Stratton 23 hp engine model number 445577 2187 G1 on?


to check to see if your coil is GOOD just locate the coil and disconnect the little black wire ( ground wire) from it and see if you get spark. if no spark coil is bad with ground wire disconnected. make sure you have spark plug laying against metal while checking.

Aug 26, 2013 | Husqvarna Garden

1 Answer

I have an ariens Fairway model riding mower won't start


DISCONNECT THE SAFTEY SWITCHES FROM THE ENGINE STOP SW. MAKE SURE THE ENGINE HAS SPARK.THEN DO PROCESS OF ELIMANTION

Sep 22, 2009 | Garden

1 Answer

New 12hp tecumseh engine won't fire


IF THE ENGINE WILL TURN OVER WITH THE KEY YOUR PROBLEM LIES WITHIN THE ENGINE ITSELF
PULL THE SPARK PLUG AND LIE IN ON A GROUNDED SURFACE WITH WIRE ATTACHED TURN ENGINE OVER AND VISUALY CHECK FOR SPARK
IF STILL NO SPARK YOU WILL NEED TO PULL FLYHEEL TO CHECK POINTS AND COIL
IF YOU NEED ASSISTANCE IN THESE PROCEDURES LET ME KNOW

Sep 19, 2009 | Garden

1 Answer

1998 craftsman mower w/19.5 hp Briggs and Stratton will not fire.


Hello B-N-L:

>>I Suggest you Check the Ign Module First and then the Safety Switches if the Ign Module (Coil) is Good. Remember that the Ign Module May Check Good, but if the Safety Switches Check Good, then Most likely the Coil is in the Early Stages of Breaking Down and will Cause this Problem.
>>You can Check the Ign Module (Coil) by Using the Following Instruction File.
The Following is an Instruction File I Made for Checking and Repairing this Problem.
>>Run the Engine Until it Quits, then Remove the Spark Plug. Wrap a Wire Around the Threads and Attach the Other End of the Wire to the Engine Block Turn the Engine and See if the Plug Fires.
>>If No, then Disconnect the Shut Off Wire at the Control Bracket First, Check for Fire at the Plug. If Still No Fire at the Plug; Then Disconnect the Shut Off Wire at the Coil (usually requires removal of the blower housing) and Check for Fire at the Plug.
>>If No Fire at the Plug , then the Coil/Ign Module is Bad. The Coil/Ign Module to Flywheel Gap is .020in.
>>On Some Model JD Engines, there is a Igniter that Goes Bad and Not the Coil. The Igniter is the Same as an Ignition Module. If the Plug Fires at Anytime During these 2 Checks, then a Safety Switch or Wire May be the Problem. Yes the Engine will Turn Even with a Bad Seat Safety Safety Switch. Usually if the Engine will Not Turn with the Ign Switch; the Blade Safety or Neutral/Clutch Safety Switch is Usually the Cause of this.
>>The Starter Turns and the Engine Doesn't Fire is an Indication of a Bad Coil/Ign Module or a Faulty Blade Safety Switch.
>>The Blade and Clutch Safety Switches Prevent the Starter from Engaging so the Blades or the Mower Does Not Move when the Starter Turns the Engine.
>>The Seat Safety is Designed to Stop the Engine if the Blades are Engaged or the Clutch Safety is Not Engaged when you Leave the Seat.
>>The Following is an Instruction File for the Safety Switch System. Any Input is Appreciated.
>>The Color Code of the Wires May be Different than those I Use as a Reference in the Instruction File.
>>**PLEASE REMEMBER THAT THE INSTRUCTIONS FOR CHECKING THE SAFETY SWITCHES IS JUST THAT!!! FOR CHECKING ONLY.
>>I NEVER Suggest a Mower be Operated with a Safety Device or Switch Disconnected or Bypassed.
>>**Now. On Some Model Mowers you can Simply Unplug the Safety Switch from the Harness. On Other Models you have to Place a Jumper Wire Between the Harness Terminals (on the 4 Post Switch (Clutch/Brake) Jumper from Same Color Wire (Example: White to White) First and then Check for Fire, Now Include the Black to Black Wires if No Fire.
>>Check the Clutch/Brake and the Blade/PTO Safety Switches First.
>>Check the Seat Safety Last. Usually the Seat Safety is Not in the System for Starting the Engine. Just to Ensure Someone is in the Seat when Engaging the Transaxle and/or Blades. Use a Paper Clip or a Short Wire to Make a Jumper.**
>>Use a Volt/OHM/Continuity Meter and Check the Continuity of the Switch. The Meter should Show when the Contacts are Closed and Open. The Meter will Swing All the Way Over when the Switch Contacts are Closed and Swing Back to the Rest Point when the Switch Contacts are Open.
>>If the Safety Switches Check Good, then Check the Ign Module (Coil).
>>Thanks.

Respectfully

John

Apr 11, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

No spark


hi is this a point less ignition or electronic? check that your ground wire from ign. coil is not grounded causing no start.( last ign coil shot) good luck.

Apr 05, 2009 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

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