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Toro Timemaster Won't Shut Off

#1

W

WaltSm53

I have an electric start Timemaster, 4 years old. I keep it clean and had it services at the beginning of the mowing year (April).Yesterday after cutting the lawn, I turned the key to off but the mower won't shut down. I unplugged and reconnected the wiring harness from the switch, but same result. I also checked the fuse (looks OK). I have to pull the spark wire off, which is a little shocking. I had my local Toro dealer order a new ignition switch but I'm wondering if there are any other suggestions why the motor won't shut down when the key is turned to off. Thanks.


#2

W

WaltSm53

BTW...Model 2120.


#3

K

ken2

Not shutting of with the key. Is a sign the park brake interlock module is not working. It's the black box behind the seat under the cross brace. Toro did have the test procedure on their website if you look up your model and serial number.


#4

M

MParr

Toro Timemaster Won’t Shut Off (Easy Fix!) | Lawnmowerfixed

What a pain in the jacksie! Most mowers have the opposite problem, I don't know which is worse. Anyway if you want to shut your…
www.lawnmowerfixed.com www.lawnmowerfixed.com


#5

W

WaltSm53

Let me clarify. I have an electric start Toro Timemaster walk behind self propelled mower, 30 inch width, which is 3 years old. The mower won't shut off when I turn the key to off. I replaced the ignition switch but the issue is not fixed. Right now I'm pulling off the ignition switch but I've already torn one spark plug boot. Any suggestions what might cause the mower not to shut off?

Thanks


#6

K

ken2

I would remove the top cover and make sure the kill wire is still connected to the coil.


#7

R

Rivets

First thing I would be testing the key switch, not replacing it. What you are looking for is continuity between the G (ground) terminal and the M (magneto) terminal, with the key in the OFF position. Second thing I would check is continuity between the connector of coil kill and the key switch. If you have no continuity, you have a break somewhere in the wire.


#8

I

insurroundsound

WaltSm53 said:
Let me clarify. I have an electric start Toro Timemaster walk behind self propelled mower, 30 inch width, which is 3 years old. The mower won't shut off when I turn the key to off. I replaced the ignition switch but the issue is not fixed. Right now I'm pulling off the ignition switch but I've already torn one spark plug boot. Any suggestions what might cause the mower not to shut off?

Thanks
Click to expand...
Walt, can you share what your problem was and how you remedied? I'm having the exact issue with my 21200. I troubleshooted the switch using a multimeter and all seems good. Tested armature coil with multimeter, and it seems good, too. No breaks in the white wire running between the switch and coil either. The only thing I suspect is that there's some other point of contact to send to ground?

Anywho, was wondering how you resolved your issue.


#9

S

schneid32

Same problem here. You guys ever figure out what the problem is?


#10

B

bertsmobile1

The kill wire that turns the mower off simply grounds the coil
If it falls off at the coil end then the mower will not turn off
The terminal is hidden on the underside of the coil so is hard to see
They have been known to fall out or break off .


#11

I

insurroundsound

schneid32 said:
Same problem here. You guys ever figure out what the problem is?
Click to expand...
Yea, I figured my issue out. Wasn't my ignition switch, grounding at the armature coil or grounding with the blade drive cable.

Turns out Father Time loosened my starter from the engine. One mounting bolt was sloppy loose; the other was just one mow session away from being lost forever. I tightened both bolts up and the machine now turns off via the ignition switch, as expected. So definitely a grounding issue -- just not where I thought to look. I had never thought to examine the starter area in greater detail, cuz it looked fine (from a distance 😂). But the moment I touched it and shook it, I knew something was up. I guess I'll add on these vibration checks as part of my annual maintenance on the TimeMaster.


#12

S

schneid32

insurroundsound said:
Yea, I figured my issue out. Wasn't my ignition switch, grounding at the armature coil or grounding with the blade drive cable.

Turns out Father Time loosened my starter from the engine. One mounting bolt was sloppy loose; the other was just one mow session away from being lost forever. I tightened both bolts up and the machine now turns off via the ignition switch, as expected. So definitely a grounding issue -- just not where I thought to look. I had never thought to examine the starter area in greater detail, cuz it looked fine (from a distance 😂). But the moment I touched it and shook it, I knew something was up. I guess I'll add on these vibration checks as part of my annual maintenance on the TimeMaster.
Click to expand...
Good tip! The one bolt on the starter was loose so I tightened that up. Seems to be shutting off as expected now.


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