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Gravely ZT HD 60 Clutch 4 wires need help

#1

Flick

Flick

hit a branch while cutting the PTO Clutch stopped working so I took a look and seen two wires free.
I could not find out were they went I looked everywhere. so I was wondering if anyone could help me please.
4 wires two still hooked up and two not.Gravely clutch wire.jpeg

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#2

StarTech

StarTech

They go to the diode. Does not prevent the clutch from engaging. Just keeps from possible staying engaged once you switch it off.

Full diagram here. Zoom in for clearer image and just the image around.
https://www.partshouse.ca/oemparts/a/grv/6053a67287a86609fc8356bb/wiring-diagram-04781600

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#3

A

Auto Doc's

Flick said:
hit a branch while cutting the PTO Clutch stopped working so I took a look and seen two wires free.
I could not find out were they went I looked everywhere. so I was wondering if anyone could help me please.
4 wires two still hooked up and two not.View attachment 71716
Click to expand...
We need your product label information off of the machine. They have serial number differences and harnesses are usually different among them.


#4

StarTech

StarTech

it should be a late model 991084.


#5

A

Auto Doc's

Looks like the connector pins got ripped off of the diode possibly. Maybe the diode got ripped out of the harness.


#6

Flick

Flick

Auto Doc's said:
We need your product label information off of the machine. They have serial number differences and harnesses are usually different among them.
Click to expand...

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#7

StarTech

StarTech

Basically the same circuit except it has more fuses.

Gravely 991166 (025000 - 034999) ZT HD 60 Wiring Schematic


#8

Flick

Flick

StarTech said:
Basically the same circuit except it has more fuses.

Gravely 991166 (025000 - 034999) ZT HD 60 Wiring Schematic
Click to expand...
is there a fuse for the clutch, if so location if possible.
I thank you for all your help. it runs great just blades will not engage.


#9

StarTech

StarTech

Yes according to diagram there is a 10 amp near the PTO relay. Just have to trace the wiring to find it. Sorry I don't have a 991166 here to look at.


#10

Flick

Flick

StarTech said:
Yes according to diagram there is a 10 amp near the PTO relay. Just have to trace the wiring to find it. Sorry I don't have a 991166 here to look at.
Click to expand...
fuse is good, can you tell me what to check next?
I do ty for your help, I would love to get this fixed.


#11

Flick

Flick

StarTech said:
Basically the same circuit except it has more fuses.

Gravely 991166 (025000 - 034999) ZT HD 60 Wiring Schematic
Click to expand...
no power to the clutch. fuse is good could it be a relay?


#12

StarTech

StarTech

That is why you have the wiring schematic so you can trace the circuit.

Yes the relay contacts could burned but you got to test the circuit path to find where the voltage is dropping out. Might even be the fuse holder contacts. Just won't know for sure; unless, you test. It is the same thing I would do here in my shop.


#13

Flick

Flick

StarTech said:
That is why you have the wiring schematic so you can trace the circuit.

Yes the relay contacts could burned but you got to test the circuit path to find where the voltage is dropping out. Might even be the fuse holder contacts. Just won't know for sure; unless, you test. It is the same thing I would do here in my shop.
Click to expand...
ok I found a blown 10amp fuse inside that GEP box getting power to the relay plug now.
still no power to the PTO Clucth. The wire from the relay to PTO clucth tested it for continuity and it was good. so I order a new relay.

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#14

Flick

Flick

StarTech said:
That is why you have the wiring schematic so you can trace the circuit.

Yes the relay contacts could burned but you got to test the circuit path to find where the voltage is dropping out. Might even be the fuse holder contacts. Just won't know for sure; unless, you test. It is the same thing I would do here in my shop.
Click to expand...
TY StarTech I got it going, after I found the fuse inside that GEP I forgot to plug the relay back in. I just taped up the two ends for that PTO diode so they would not ground out and pop the fuse again. I got my grass cut. TY again for all your help.


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