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Craftsman/Kohler Riding Mower Runs & Blows Fuse #4991778
01/26/19 08:03 PM
01/26/19 08:03 PM
Joined: Jan 2004
Posts: 5,997
northern Alabama
benjamming Offline OP
benjamming  Offline OP

Joined: Jan 2004
Posts: 5,997
northern Alabama
2000 Craftsman mower model 917.271131 with a Kohler Command PRO 16.5HP OHV model CV16S-43527 spec #43527 Family YKHXS.4262GB 426cc engine.

Will start right up & runs but then dies <1 minute with a blown 15A fuse. Thoughts on what's going wrong? Schematic is on page 16 of this PDF.

Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4991804
01/26/19 08:24 PM
01/26/19 08:24 PM
Joined: Aug 2003
Posts: 13,836
NE,Ohio
Rand Offline
Rand  Offline

Joined: Aug 2003
Posts: 13,836
NE,Ohio
short somewhere? its 19 years old probably a wire frayed or bad switch?

Is that with the deck running or not.. had a JD with a bad electronic PTO that was melting wiring/fuses.


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4991806
01/26/19 08:26 PM
01/26/19 08:26 PM
Joined: Oct 2017
Posts: 1,065
Georgia
MParr Offline
MParr  Offline

Joined: Oct 2017
Posts: 1,065
Georgia
Just guessing, look for a chafed wire, check for a loose ground wire or bad electrical connection. There is some short somewhere.

Last edited by MParr; 01/26/19 08:27 PM.

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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4991825
01/26/19 08:39 PM
01/26/19 08:39 PM
Joined: Jan 2013
Posts: 2
OH
Woodster Offline
Woodster  Offline

Joined: Jan 2013
Posts: 2
OH
Yessir--as said, run down each wire that you can find. Gotta be a ground out/short somewhere.

Look especially at the items grounded to the chassis, or look at "screw on" type metal bezels connecting ignitiion switch, solenoids, etc--they may be making bad or intermittent grounds blowing the fuse.

Page 32 schematic doesn't look to complicated--trace each wire.

Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4991871
01/26/19 09:35 PM
01/26/19 09:35 PM
Joined: Jan 2004
Posts: 5,997
northern Alabama
benjamming Offline OP
benjamming  Offline OP

Joined: Jan 2004
Posts: 5,997
northern Alabama
That is without the deck running.
I don't know why I said page 16; was thinking page 31 - getting old!
The weird thing is that this issue didn't happen one week and now it is.
I was hoping for a bad solenoid or switch but that doesn't seem to make sense; after all it starts and runs!

Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4992134
01/27/19 07:52 AM
01/27/19 07:52 AM
Joined: Jan 2011
Posts: 3,183
N.Ohio
Lubener Offline
Lubener  Offline

Joined: Jan 2011
Posts: 3,183
N.Ohio
Since it happens after it runs for a short time, I do not suspect a dead short to ground from a chaffed wire which would blow the fuse immediately. Myself, after tracing the circuit, I would be looking at the components in the charging system, especially the regulator.


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4993274
01/28/19 08:18 AM
01/28/19 08:18 AM
Joined: Feb 2013
Posts: 3,624
Central Virginia
Silverado12 Offline
Silverado12  Offline

Joined: Feb 2013
Posts: 3,624
Central Virginia
Try unplugging the kill wire from the coil. There also is a kill switch in the carburetor (anti-backfire switch). I believe, although I'm not a small engine guy, that the engine should run indefinitely with these bypassed. I have seen some engines that are ground to run, though.


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #4995212
01/29/19 11:28 PM
01/29/19 11:28 PM
Joined: Aug 2018
Posts: 127
Texas, United states
Jmoney7269 Offline
Jmoney7269  Offline

Joined: Aug 2018
Posts: 127
Texas, United states
As a small engine mechanic I have seen this several times....
Most of the time it was due to a faulty regulator or a shorted stator under the engine flywheel.
Also as mentioned earlier hold your hand on the carburetor anti backfire solenoid and if it gets hot, replace it..... because it shouldn't. I have seen this several times to be the culprit also


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: Jmoney7269] #4995603
01/30/19 12:12 PM
01/30/19 12:12 PM
Joined: Aug 2003
Posts: 11,676
Buffalo, NY
JTK Online content
JTK  Online Content

Joined: Aug 2003
Posts: 11,676
Buffalo, NY
Originally Posted by Jmoney7269

Also as mentioned earlier hold your hand on the carburetor anti backfire solenoid and if it gets hot, replace it..... because it shouldn't. I have seen this several times to be the culprit also


For sure on this.

I had one that somehow was working, but was shorting to the point that it electrified the whole carburetor and was making the thin wire throttle return spring glow red hot. This was on a cheap Chinese replacement carb on my Craftsman rider 18hp Briggs engine.


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #5004298
02/07/19 07:53 PM
02/07/19 07:53 PM
Joined: Apr 2009
Posts: 129
Florida
gotnogunk Offline
gotnogunk  Offline

Joined: Apr 2009
Posts: 129
Florida
I had the same thing on a craftsman B&S. I just dried it with electric cleaner and used steel wool. I thought it was from when I sprayed it off.


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #5015064
02/18/19 11:41 AM
02/18/19 11:41 AM
Joined: Jan 2004
Posts: 5,997
northern Alabama
benjamming Offline OP
benjamming  Offline OP

Joined: Jan 2004
Posts: 5,997
northern Alabama
Found the original root cause - battery was connected backwards & tried to start not knowing the problem. I guess that would mean it's the regulator???

Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #5019292
02/21/19 05:32 PM
02/21/19 05:32 PM
Joined: Nov 2003
Posts: 3,843
Cape Cod, MA
RF Overlord Offline
RF Overlord  Offline

Joined: Nov 2003
Posts: 3,843
Cape Cod, MA
Originally Posted by benjamming
Found the original root cause - battery was connected backwards
I'm confused...how would the engine even start if the battery was connected backwards?


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Re: Craftsman/Kohler Riding Mower Runs & Blows Fuse [Re: benjamming] #5019303
02/21/19 05:39 PM
02/21/19 05:39 PM
Joined: Jan 2004
Posts: 5,997
northern Alabama
benjamming Offline OP
benjamming  Offline OP

Joined: Jan 2004
Posts: 5,997
northern Alabama
It wouldn't. The issue was found & rectified. Then I came in & tried to start with the above issue.

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