Fixing Electrical Issues - PTO not Engaging

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Electrical Diagnostic Video
In today's video, I'll be walking you through the steps I took to diagnose a White Outdoors Zero Turn, model ZT50 and a Toro Riding Mower.
The ZT50 was an easy fix, it turned out to be a bad Reverse switch on the Left hand side of the mower (which caused the machine to think it was in reverse) thus not allowing the PTO (blades) to be engaged.
Mowers now a days have safety switches, to prevent injury, and this has reverse switches which prevent you from cutting while going backwards.
The Toro on the other hand, wouldn't turn over the engine, but everything worked fine.
After going through all the safety switches and key switch, and testing the starter and the solenoid, I determined (by process of elimination) that the issue was a bad ground wire going to my solenoid!
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Опубликовано:

30 июн 2018

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Комментарии : 103

@wxguy1751 3 года назад

Bravo! Best lesson in electrical diagnostics I've seen. I used to work on many different vintage cars and trucks. Occasionally I would trace the problem and find everything working properly with good external connections but the starter still wouldn't turn. In those cases I found the mechanical part of the solenoid was at fault. In other words I would hear the solenoid click when trying to start the engine but still the starter wouldn't turn. Back in those days I would take the solenoid apart and reverse the copper connector to present a clean new surface across the heavy lugs and place the solenoid back into service for another 20 years or so. Lesson being, just because you hear the click the solenoid may not be making connection in the high amperage circuit.

@chrisssmallengines3456 6 лет назад

Good job ,a lot of people do not want to put in the time or realize how much time it takes to do a proper diagnosis in a electrical problem.

@randykish8242 2 года назад

Bravo youn man! You really helped me solve similar issues on my old Toro. I am confident your videos have helped a lot of people solve these nasty little electrical issues by process of elimination and testing with 12 volts. Well done! You are a natural teacher.

@cguyrr 5 лет назад

This was it! I was pulling my hair out trying to figure out why two different PTO clutches and two switches weren't getting the PTO to engage, turns out the right side reverse safety switch had gone bad. Jumping that switch got my mower deck to engage every time. Thank you so so so much

@EliminatorPerformance 5 лет назад

Anytime, thanks for watching!

@jonlambshead5115 Год назад

Very Well Explained Video. I Once Had To Undo The Whole Wiring To Find a Short Between Two Wires. Kept Blowing The Fuse. Took About an Hour To Undo All The Tape Etc & Find The Problem, Then Fix The Wire And Re-Tape it All Back Together. Plus I Re-Routed The Harness Away From The Steering Parts & Other Stuff That Could Probably Catch The Harness & Damage Wiring. I Hate Wiring Myself.Because U Have To Test For broken Wires, Shorts, & Possibly Corroded Wires, Switches E T C , Can Be A Real Ass Of a Job.. I Bought A Power Probe They Are Excellent Bit Of Gear. U Can Test If The Wire Is A Power Wire, Negative Wire, Send Power Direct To What Ever U Want. I LOVE IT ..

@RidgePowerEquipment 4 года назад

Much Gratitude! (just watching Spartacus again), fought with this for days. Originally I had seized spindles and no PTO, replaced everything and still no PTO. All tests said the PTO should work. Ah the reverse switch, mine is different than yours using a ground system and was bent, thus always grounded so no PTO as the tractor thinks it is in reverse!!

@amirterrell1413 3 года назад

@Jameson Harley Yea, been watching on Flixzone for years myself =)

@32Tudor 2 года назад

Shorter would be better, but I get it, you were addressing all the things to check. Good video.

@Odin31b 4 года назад

So much knowledge! Thanks for posting.

@EliminatorPerformance 4 года назад

Thanks for watching!

@charlesdouglas9685 4 года назад

E Oo@@EliminatorPerformance

@robreimbold3137 Год назад

Very nice job. Thanks for the help

@waynestefinashen239 6 лет назад

Nice step by step diagnosis of electric systems and safety switches.

@rodassaracay1 5 лет назад

Well done my friend. This is a very helfull video

@EliminatorPerformance 5 лет назад

Thanks for watching Jose!

@zoharflax6363 2 года назад

Great help, thanks, subscribed

@introducinga.p.h3049 2 года назад

Very helpful thanks

@zmanvideo1 6 лет назад

excellent diagnosing skills!!!

@rayaratkon1654 2 года назад

I congratulate you on your successful videos! I have a problem with my Ride on mower Toro XLS 420T. the pto is in operation at all times, the pto switch is in the off position and the pto only turns off when I turn off the engine, with the engine and pto running I put the pto switch in the on position the engine turns off by itself, . Do you have any idea what it could be? Any help will be appreciated.

@mikecastilleja7234 Год назад

Great video very informative but on zero turn my zero turn the PTO on it runs for a minute or two sometimes turns off occasionally it won’t even turn on at all, so I’m going to start the diagnostic process. I did notice though I was under my zero turn looking things over while it was running and the PTO engaged but not running there was sparks flying from what I think is a clutch plate (maybe)of some sort is this common if it is, let me know. If not what do you think it is thanks from the state of Washington.

@timhalcomb4041 5 лет назад

Appreciate the information have a blessed day

@EliminatorPerformance 5 лет назад

Thank you for the kind words Tim, and thanks for watching!

@wademarlar5155 3 месяца назад

Please do a video on the white outdoor ZT 54 on how to bypass or jump the safety switches thank you

@Jesusfreak39 4 года назад

i have yth1542xp Husqvarna i replaced pto clutch and switchch still nothing ill by pass seat switch today see if that helps the relay fuse what are they used for. ill also check clutch from battery like u did any advise thanks.... and ps my mower stays running no one on seat

@terrysmith7454 4 года назад

need help i need a battery so i jumped the starter /ground it on a screw , it cranked but when i took the brake off it cuts off/engage the pto it cuts off. any help please .

@edwingonzalez787 4 месяца назад

Thank you 🙏

@Taylorvalarik 5 лет назад

thank you! I have to do this on my mower and this was very helpful.

@EliminatorPerformance 5 лет назад

Thanks for watching!

@Taylorvalarik 5 лет назад

@@EliminatorPerformance one quick question: if I have my key in the on position, but the engine not actually running, if I pull the PTO switch, should I get 12v at the clutch? or does the engine have to be running?

@EliminatorPerformance 5 лет назад

As far as I know, the engine does not have to be running. In the video, you'll see how I do a 12v test on the PTO Clutch, the engine was off, but the key was in the on position. You could test that though by probing the PTO Clutch connector, and with the engine off (key in on position) flip the PTO switch and see if you have 12v at the connector. However, if you have a safety switch issue, it may not be sending 12v to the PTO Clutch.

@Taylorvalarik 5 лет назад

@@EliminatorPerformance if it's not getting 12v like that, at least I'll know that I have a problem upstream somewhere. Thanks so much for your help. All the best to you!

@EliminatorPerformance 5 лет назад

@@Taylorvalarik anytime, good luck!

@KX220R Год назад

Thank you for posting this video. I'm working on an old ZT50 and it's got the exact same problem. Both reverse safety switches have been dangling by the wire harnesses for years. It was the previous owners way of bypassing them. It's been working that way right along but I'm afraid they must have gotten moisture inside and corroded the contacts. One got so hot from the high resistance it melted the plastic safety switch housing. I haven't had a chance to check continuity through the other switch yet but it's so corroded inside that I can't even depress the plunger. I'm considering just running a new wire from the PTO switch to the PTO clutch and eliminate the reverse safety circuit all together. Our newer zero turn mowers never even had that feature. Thanks again for the video because there isn't much info out there and I wasn't sure what the original purpose of the switches actually was. Now I know and I won't feel bad about eliminating all that crusty wire and bad connections.

@zackj6274 Год назад

Hi, any update for your mower? I have the exact same problem right now and trying to find a fix for it. I have a brand new pto clutch and wire, and my reverse safety have been zip tied to the harness since I bought it. Do I just remove the wire that runs to the safety switch/buttons?

@KX220R Год назад

@@zackj6274 Hello, It's been a while since I did the work. If I remember right, I cut the wire that runs through the reverse safety switches a few inches from the PTO switch and spliced in a new wire from the PTO switch directly to the clutch. It's worked perfectly ever since. Getting a new clutch is a good idea. I found out the hard way that adjusting the air gap on a weak clutch may only work for a short time. It was drawing too much current and cooked my brand new switch. Once I had a new clutch and another new PTO switch it's been fine.

@zackj6274 Год назад

@KX220R thanks for the reply, I may try your method. So I ordered a new pto clutch to replace mine after the original had wear in the wire connecting to it leading to it not getting power. After unplugging the reverse safety switches I tried turning the mower on to test the clutch but nothing was getting power. I've been a bit confused with the wiring because the new clutch has a black/red wire while the harness from the mower has a blue (spliced into 2 running to each side for reverse safety switches) and a green wire that splices to a ground on the side of the frame as well as running to the key/ignition. So I think your method might make things much easier

@robertcase1444 2 года назад

Hey, I have to start my mower by jump-starting because the battery is bad. is it possible that a bad battery could cause the PTO not to engage? it has engaged a couple of times right after jumping it but if we drive around some then try again it won't work I would appreciate any advice

@BulldogBreeder 10 месяцев назад

I have a snapper that looks similar & the power to the wheels stopped while I was using it. Mower runs but want drive & controls feel gummy n weird. Any tips????? Helppppp

@Hilltopsounds-ve1mq 10 месяцев назад

Thank you

@triciacarlin5256 2 месяца назад

I believe we have a loose wire in that plug that is on the harness. Can we just fix that plug?

@robertyearian227 3 года назад

I've got to do this exact same thing I hate looking for wires

@joescheller6680 3 года назад

do not understand why a reverse safty switch it would be eliminated right away as i mow backing up in some cases

@drmoskalenko8953 2 года назад

When the mover is on, I am trying to turn PTO Blades on, and it's Clicking but won't work. What does it mean?

@tartartarat8899 4 года назад

at around 12;18 he plugs the wires in to the black do hicky to turn it over. does anyone know how to crimp the wires so the stay in that little black box thing?my wire keeps sliding out.....i'm sure its an easy fix....once you know how...... thanks in advance to whom ever........

@playtimet.v7342 4 года назад

What would cause a mower to stay running while key is in the off position?

@EliminatorPerformance 4 года назад

A bad key switch or a disconnected kill wire at the coil. Someone probably had a bad safety switch, so they just disconnect the coil kill wire and the machine will start and run. I've seen machines sold like that.

@brucekevin8472 3 года назад

Thanks for the video. I'm curious... I was mowing today and the blades slowly disengaged several times. I parked the tractor to do some research. After returning to investigate the fuses, now the mower won't start. It's not even clicking in the solenoid to start. My question is, would a bad PTO switch keep the mower from starting / starter engaging. Sounds dead. ( Not the battery.) I would appreciate you advice.

@EliminatorPerformance 3 года назад

If the mower thinks the pto is engaged, it won't turn over the engine and the solenoid won't click. Same as bad brake switch, mower thinks you don't have the brake applied and won't send 12v to solenoid.

@brucekevin8472 3 года назад

@@EliminatorPerformance WoW!! Thank you so much for your rapid response. That was awesome! Yep.. I see what you mean and how a bad switch could shut the whole mower down. I guess I'll start with the PTO switch replacement. Thanks again for sharing your expertise with us DIY wanna be's. Much appreciated!

@EliminatorPerformance 3 года назад

Also, google Eliminator Performance PRO clutch and watch my videos on how to test them, and also how to adjust them! Good luck!

@longislandbiker7 Год назад

My PTO clutch only engages when my mower is in "reverse safety mode" I've ran every test I'm capable of running on my machine with no luck. I checked and bypassed all safety switches (including the seat switch) with no luck, replaced the pto switch and the ignition switch. I'm at a roadblock with my machine

@AliAhmadi-hq9pj 2 года назад

Thanks

@nasty2ndgenneon 2 года назад

Okay….but when turning the switch on would your pto light go solid and key not turn the mower on? Mine will run when I jump solenoid and after running I can engage my pto and mow

@EliminatorPerformance 2 года назад

You probably have a bad safety switch preventing the mower from starting. If you jump the solenoid you bypass those switches. Usually the seat switch grounds the coil and prevents spark, and the brake switch prevents the engine from turning over (engaging the solenoid).

@pezatsea 5 лет назад

Great videos and thanks for publishing them. I have a problem on my Snapper 150 zero turn that I think may be the PTO clutch. I'm going to test it when I get home, thanks to you other video, but it's a weird one. I'll mow for a few minutes and then the blades disengage and the mower dies. After a few minutes of sitting on it, I can hear an audible click of what I believe is the clutch and I know that I can start her up and mow again for a few more minutes. Needless to say that this pretty frustrating. Hoping to use your videos to fix it. Any ideas? Thanks again.

@EliminatorPerformance 5 лет назад

Intermittent Reverse safety switch. I'd start by testing the switches at the hand levers! Machine could think you're trying to go in reverse and shut it down. But being electrical, it could be anything. You basically have to go over everything 1 by 1.

@pezatsea 5 лет назад

@@EliminatorPerformance Thanks for the response. I don't believe my mower has a reverse safety. There are no stickers or notices on the machine or in the manual itself. Today it would run for 3 minutes and shut off for anywhere between 5 and 10 minutes until I would hear something, I thought it was the PTO, click and then I could start up and go again. Something fishy is going on. The PTO clutch is drawing 3.3 ohms, so enough resistance, but something is happening after mowing for three minutes. Thanks again.

@EliminatorPerformance 5 лет назад

Anytime, wish I could be of more Help! Hard for me to know without seeing it first hand and being able to test.

@pezatsea 5 лет назад

@@EliminatorPerformance For now, it looks like my problem was a bad circuit breaker. That's why I knew my mower would start when I heard a click, it was the breaker overheating. At least it fixed it as of yesterday. Who knows what will happen next.

@davidhartman1284 2 года назад

0o000p00000

@lawnkingslandscaping8328 4 года назад

Could a low battery cause the PTO to not engage.... had to jump my exmark now the blades won't engage

@EliminatorPerformance 4 года назад

No, if it's running it runs off the magneto/battery system anyways so I'm assuming you blew a fuse.

@cblink22 4 года назад

@@EliminatorPerformance could it also be alot of trash up under the big cast iron wheel with all the magnets adheard to it dont know the name of it ?

@robertyearian227 4 года назад

Good job eliminstor but dang tgsts a lot of testing

@EliminatorPerformance 4 года назад

Yessir, got to the root of the issue!

@justinaschinger2779 2 года назад

I have a toro zero turn and I replaced the clutch and now it will engage but it barely engages and it slips Will not engage strong enough to run the deck Im not sure what is wrong

@EliminatorPerformance 2 года назад

Adjust the clutch itself ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-hZNILWqmcEg.html

@edcadieux3689 Год назад

So mine works for 5 minutes then quits. Wait until morning ,it cuts for 5 minutes and then no clutch again. Thought it was the switch.

@mikekochanskifishing5811 3 года назад

Great video. But u gotta split up the 50 things you trouble shoot into different videos.

@dhandlh 2 года назад

What is the deal with the picture about 1 in in size? Can't even follow because I can't see it

@georgestrickland9278 4 года назад

i need that vtwin tecumseh off that white

@dustinswatsons9150 5 лет назад

What could it be on my mower it has the reverse switches to it's a ztl7000 a 42 inch deck and I bypassed both back up sensors however my problem with the blades engaging still persists my blades do not engage the sensors are bypassed where else can I look

@EliminatorPerformance 5 лет назад

I would check the PTO switch

@dustinswatsons9150 5 лет назад

@@EliminatorPerformance it turns out but connectors that connect inside the PTO the negative ground side is melted and burned and apparently by passing those little reverse switches is not a good idea because they have relays that are also needing to be jumped as well at least with my ztl7000 MTD apart I might need a new PTO epic :-(

@dustinswatsons9150 5 лет назад

I would simply apply power to the PTO from the battery directly however I don't know if the PTO relies on 8 or less than 12 volts or 12 volts alone so I guess I got to take it to the damn shop

@EliminatorPerformance 5 лет назад

@@dustinswatsons9150 electrical PTO clutches are powered by 12v Watch this video; ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-lb_deDPQYt0.html

@EliminatorPerformance 5 лет назад

@@dustinswatsons9150 if connectors are melting it's because of amperage. Most likely too much resistance in the circuit. Jumping a safety switch for a test shouldn't cause anything to melt. Watch the video I posted above, and do a resistance test on the PTO clutch itself! Could have been the issue all along!

@LB1280 4 года назад

Has anyone ever run into an issue with the PTO not engaging after it has disengaged approximately 6 times? My cub cadet rzt 50 is doing this. If I go in reverse which disengaged the PTO or I have to manually shut the PTO off via the switch a certain amount of times it will not re-engage. I thought maybe it was the clutch overheating, but I can turn the PTO off after mowing for an hour and it will turn back on. It doesn’t matter the length of time it has been engaged. If I turn it on and off a certain number of times in 20 minutes or 2 hours it will eventually not turn back on again. Any suggestions would be really helpful.

@thomaswilliford9689 2 года назад

I am having same problem. did you find problem?

@thomaswilliford9689 2 года назад

I am having same problem. did you find problem?

@LB1280 2 года назад

@@thomaswilliford9689 It ended up being the PTO clutch. It would overheat and seize. When it cooled off it would work again. Replaced that and it works great now.

@thomaswilliford9689 2 года назад

@@LB1280 thank you . Great info.

@LB1280 2 года назад

@@thomaswilliford9689 Glad this was helpful. Good luck!

@JM-nh8yp 4 года назад

Manual blade engagement is SO MUCH BETTER than an electric clutch. So ridiculous how options are added to make our life easier and they break....making life much harder. Powered sliding van doors are another one. So many are broken, then the door is 5 times harder to open and close.

@willb5240 2 года назад

Seems a little odd that they built a zero turn mower that won't cut in reverse. It automatically disengages the blades if even one of the lap bars is in the reverse position? Isn't that the point of a zero turn mower? Still good info here, it just seems weird that they built it to work that way. It would drive me nuts if the blades stopped every time one tire went backwards.

@EliminatorPerformance 2 года назад

This is an old video but I believe it was because the switch was faulty which is why it wasn't functioning properly. Once that safety was replaced you could zero turn it, which as you said, allows one wheel to go in reverse while the other goes forward.

@zackj6274 Год назад

I have a 2007ish? Cub cadet rzt50 that has these. I believe it's to comply with certain states laws

@carlthornton3076 2 года назад

Very Good!... #79 ✝ {5-11-2022}

@armyvet4081 6 лет назад

Melted pto switch can be a bad pto it self.

@EliminatorPerformance 6 лет назад

Probably got fuel or water into the bottom end, check out this vid and look at the rototiller oil: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-MPwJzimxW4o.html

@armyvet4081 6 лет назад

ty milk.That is the only thing I could think of that would cause that.

@hardmechanic1624 3 года назад

Ice video

@EliminatorPerformance 3 года назад

Thanks for watching!

@richardnotestine7333 3 года назад

Just slow down on the speed of your words eh...Thats a lot to take in...

@mike.w8152 4 года назад

Instead of using jumper wires. Just cut the plug off strip the wire ends. Wire that shit together. Hell just pull out all the wiring and run a toggle switch and push button switch. I hate all the safety shit