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GTX 1054 electric clutch PTO won't engage

3427 Views 15 Replies 3 Participants Last post by  ejl6658
I have a 2011 GTX 1054 and the electric PTO clutch won't engage. I'm fairly certain the electric PTO clutch is ok as I put 12V from the battery to it and heard it actuating. I checked the connector where the E clutch PTO connects and it doesn't seem to be getting power. I checked the PTO switch resistance and that seams ok. Even tried a new PTO switch. Checked the relay and it clicked when 12V is applied. Fuse in back under seat is ok as well (I believe that is for the starter anyways). The odd thing I find is if the PTO switch is engaged and mower off it won't crank. Push PTO switch in and fires right up.

Looking for more things to check and how to check. Key switch? RMC module?

Electrical schematic attached hopefully.

Thanks for any help!

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Guess I couldn't attach a PDF.

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The engine not starting with the PTO engaged is normal. Have you checked your reverse switch which should be in the area of the reverse pedal linkage. If the system thinks the reverse pedal is depressed the pto will not engage. You should have noticed when reversing it shuts down your pto.
Mower won't crank with PTO engaged is normal. Pulling the PTO knob out activates the PTO. Pushing it in deactivates the PTO.

So, when you have the engine running and you pull the PTO knob out (engage), the PTO does not activate?
Side note that I forget to mention. I have not mowed with this tractor for a few years just been using it to tow a trailer. Deck has been off during that time. I'm going to sell which is why I'm trying to get the deck working.

Correct when running and pull PTO nothing happens.

Regarding reverse switch I have not checked it not sure what/how to check.
I forget to mention when I turn the key to the acknowledge reverse position and push the button the red light does not come on. You are acknowledging that you don't want to PTO to turn off when in reverse. Hopefully that last part isn't confusing. Picture attached for reference.

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Side note that I forget to mention. I have not mowed with this tractor for a few years just been using it to tow a trailer. Deck has been off during that time. I'm going to sell which is why I'm trying to get the deck working.

Correct when running and pull PTO nothing happens.

Regarding reverse switch I have not checked it not sure what/how to check.
I forget to mention when I turn the key to the acknowledge reverse position and push the button the red light does not come on. You are acknowledging that you don't want to PTO to turn off when in reverse. Hopefully that last part isn't confusing. Picture attached for reference.
What you stated indicates to me that you have a problem with the reverse switch or the REM module. The reverse switch is a pushbutton switch with two wires going to it and is activated by the reverse pedal linkage and you should read a short between the two wires when the the pushbutton is activated. Because you can can not activate the mow in reverse leads me to believe the REM module is bad but I would check the reverse switch before replacing the REM module.
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When you engage the reverse pedal, the PTO should normally turn off if engaged. If you want the PTO on while in reverse, you have to turn the key to that position, press the button and then engage the PTO.

It does sound like one of the safety switches is not making contact as it should.
Side note that I forget to mention. I have not mowed with this tractor for a few years just been using it to tow a trailer. Deck has been off during that time. I'm going to sell which is why I'm trying to get the deck working.

Correct when running and pull PTO nothing happens.

Regarding reverse switch I have not checked it not sure what/how to check.
I forget to mention when I turn the key to the acknowledge reverse position and push the button the red light does not come on. You are acknowledging that you don't want to PTO to turn off when in reverse. Hopefully that last part isn't confusing. Picture attached for reference.
According to the wiring diagram the reverse switch is normally open (reverse pedal not depressed). That being the case you can just pull the connector off your reverse switch and see if the pto engages. If not I would think that would indicates a problem with the REM module.
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I figured out how to check the reverse switch. I'll check it this weekend. Is there any way to check the RMC module? It looks similar to my Cub Cadet Zero Turn but has a different part number. I might see If I can swap them and see if that fixes it.

Sidebar its been called a REM module here. Per the electrical schematic its called an RMC module, I assume its the same thing?

Attached is a picture of the RMC module per the part number, 925-06102A.

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I figured out how to check the reverse switch. I'll check it this weekend. Is there any way to check the RMC module? It looks similar to my Cub Cadet Zero Turn but has a different part number. I might see If I can swap them and see if that fixes it.

Sidebar its been called a REM module here. Per the electrical schematic its called an RMC module, I assume its the same thing?

Attached is a picture of the RMC module per the part number, 925-06102A.
That would be me that incorrectly called it a REM module. Sorry getting old.
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Ok I think I got somewhere tonight. But I still don't know what's wrong.

Checked the brake switch continuity checked out ok. I unplugged the brake switch and the mower won't crank over.

Learned I was wrong about the reverse button light. Everything works if you put the key in reverse acknowledge position and press the button. The clutch gets power and engages. But it doesn't get power in the normal green key position. I swapped my Cub zero turn RMC module/ignition switch with the GTX. Same scenario. I put the GTX RMC module in the zero turn and it operated correctly.

So I believe the RMC module and ignition switch are good. It's something else.

Where can I look next?
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Ok I think I got somewhere tonight. But I still don't know what's wrong.

Checked the brake switch continuity checked out ok. I unplugged the brake switch and the mower won't crank over.

Learned I was wrong about the reverse button light. Everything works if you put the key in reverse acknowledge position and press the button. The clutch gets power and engages. But it doesn't get power in the normal green key position. I swapped my Cub zero turn RMC module/ignition switch with the GTX. Same scenario. I put the GTX RMC module in the zero turn and it operated correctly.

So I believe the RMC module and ignition switch are good. It's something else.

Where can I look next?
Not starting when disconnecting brake switch is normal, brake needs to be depressed to start. The RMC bypasses your reverse switch. I think you have a bad reverse switch or something jamming it.
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Ok got the switches mixed up in my head. That would make sense why it didn't crank when brake switch is disconnected. Now I need to track down the reverse switch. Any help locating would be helpful.
Ok got the switches mixed up in my head. That would make sense why it didn't crank when brake switch is disconnected. Now I need to track down the reverse switch. Any help locating would be helpful.
The red/blk wire on the RMC goes to the reverse switch. You could try tracing that wire or cut it at the RMC and see if that solves your issue.
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Got it! Yes, it is the reverse switch. It looks bent and was contacting the adjacent surface when not engaged and completing the circuit. It's just a piece of metal that when engaged contacts another linkage bar to complete the circuit. I assumed I was looking for a plunger type switch. Will see if I can adjust it so it's not making contact when not engaged. Thanks for you help.
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Got it! Yes, it is the reverse switch. It looks bent and was contacting the adjacent surface when not engaged and completing the circuit. It's just a piece of metal that when engaged contacts another linkage bar to complete the circuit. I assumed I was looking for a plunger type switch. Will see if I can adjust it so it's not making contact when not engaged. Thanks for you help.
Glad I could help and happy you found the problem.
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