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Oliver138

C-160 Auto Dies When Mowing, Then Won't Start without Jumping Solenoid

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Posted (edited)

Hey everyone,

 

I have been reading many posts on here and they have helped with many issues, but this one has me confused.

 

I have a C-160 Automatic that I got in November for clearing the driveway in the winter and cutting grass now. The other day, after mowing grass for about 10 minutes, the engine died without much warning. When I tried to fire it back up, I got nothing at all (the solenoid would not engage). I ended up pushing it back to the garage, checking all my electrical connections and found nothing. I eventually jumped the solenoid and the tractor started up and I was able to cut the rest of the grass (about 1.5 hours of cutting) and it ran like it always has during this time. I went to cut another area of grass the next day and again, it died after about 10 minutes. I jumped the solenoid and this time it again died about 10 minutes later.

 

I have verified the oil level, changed the spark plug, checked the battery, and checked most of the electrical connections. Does anyone have any thoughts or ideas of what may be causing the engine to die?

 

Thanks,

Kody

Edited by Oliver138
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4 minutes ago, Oliver138 said:

and checked MOST of the electrical connections.

 

Thanks,

Kody

 

 

You definitely headed the right direction with your diagnosis and attempted repairs.

 

You do really need to change that above highlighted word and situation too... ALL.

 

 

I'm going to follow along on this one to see what everybody else says because I'm curious of ideas and how you solve  it.

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Especially check the ammeter connections. Bad wires there will shut it down.

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18 minutes ago, oldredrider said:

Especially check the ammeter connections. Bad wires there will shut it down.

 

:text-yeahthat:

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I will definitely check ALL the electrical connections, but I'll start with the ammeter connections now. I did not look into those connections too much. I assumed bad connections there would not shut it down - I assumed wrong.

 

I am also concerned with a possible faulty low oil pressure switch. I am by-passing all the switches when I jump the solenoid, so the switches were my first concern. The PTO and brake switches seem to be doing their job (and should also not shut down the engine while operating)but I am unaware of any other switches that my ground if tripped. It sounds like the low oil pressure switch may do that. Did the C-160 series Kohler engines have this switch?

 

Thanks for chiming in, guys!

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Single cylinder K series did not have a pressurized oil system, so no low oil pressure switch. There is a low oil switch on the later model single cylinder engines.

You should have  K341S engine, unless it has been replaced. Do a quick search for the C-160 wiring diagram and everything is laid out for you to trace and track down possible problems.

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The low oil level switch was introduced in 1986 for the single cylinder models.

C-160 Automatic built 1974-1977.

 

Garry

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I don't know if this will help but, I had a bad key switch give me a lot of problems already on another model WH.

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@oldredrider, I just confirmed the engine model number. It matches what you provided so it must be the original engine - no low oil pressure switch. 

 

I will pull a wiring diagram and get to work. Is a coil a possible culprit? How can I check that? 

 

Thanks for the welcome guys. This forum is a great help. A real wealth of wheel horse knowledge here.

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Since you said it won't even turn over, it's not the coil. It is in your "start" circuit. Coil isn't directly involved in that. My best guess is wiring to/from the ammeter, or ignition switch. Make sure you have power from the battery to the ignition switch. 

Again, you'll need to check ALL electrical connections.

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Welcome to Redsqure 

I also have a C160 and I like it the most of all my tractors. Here is a diagram I doctored to help me with mine. This is a basic wiring diagram. The colors may be different from yours but it makes it a lot easer to trace a problem. 

 

 

BASIC WIRING B80 - C160.jpg

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@BOB ELLISON, thanks for the wiring diagram. I appreciate that it has been color coded! That will be a huge help and saved me from searching for it.

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1 minute ago, Oliver138 said:

@BOB ELLISON, thanks for the wiring diagram. I appreciate that it has been color coded! That will be a huge help and saved me from searching for it.

This diagram is a huge huge help. I followed it very closely when I wired my b80. When I did my C - 160, I made a few changes and adopted the diagram to the changes. Great thing to hang on your Workshop wall.

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5 hours ago, Oliver138 said:

@BOB ELLISON, thanks for the wiring diagram. I appreciate that it has been color coded! That will be a huge help and saved me from searching for it.

No problem glad I could help you. I actually wired my C160 with these colors and it is so easy to trace a wire by the color.

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Just an update for anyone interested....

 

I went to cut grass on Thursday and Friday and had no issues - the tractor ran as it always has. I did not address the issue before hand, so I am sure the problem will return. Unfortunately, it is nearly impossible to troubleshoot the electrical system until it shuts down on me again. When this happens, I will be able to take a closer look at the circuits. I will post another update when something changes.

 

Thanks

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Posted (edited)

I would still check your ammeter connections. 

Edited by 608KEB
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It's going to quit on you again in the middle of your yard with a storm minutes away. Check your ammeter connections now. Takes 10 minutes.

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