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Thread Tools | Display Modes |
#1
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I've got a 2086 that the PTO clutch will not engage. What I have done so far:
- fuse OK - seat switches (N.O.) test OK - interlock switch OK - ign sw tests OK - PTO clutch test OK for continuity - Bosch relay not energizing--can get it to energize by running jumper from B+ to BROWN wire on relay plug - voltage OK--12.5 VDC not running---14+VDC running - reverse switch OK - no critter chewing on harness - no corrosion on terminals-- - PTO switch OK- even tried another known good switch--no change All help appreciated!!!! ![]() ![]() |
#2
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Sounds like it is time to get the schematic and meter out and do some trouble shooting.
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Richard 1979 IH Cub Cadet 782 w/CH20, dual hydraulics, power steering and Cat 0 three point |
#3
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I can help. (A) I can help you online, or (B) I can send you the Wiring Diagram and you can track it down. What would you like to do...???
BTW, welcome to OCC............. ![]()
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1: |
#4
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I would unplug the PTO. With engine running and safety switches met. Turn on switch and see if your getting voltage to on wire close to the PTO. Whenever it comes to electrical use the divide and conquer method. If no power at PTO, check for incoming and output power from switch and so on and so forth.
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#5
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Thanks, guys!! No voltage to the power lead to the PTO clutch. I "jumped" the brown wire leading into the relay directly to the battery+ and triggered the relay. I get 12 VDC into the PTO switch but nothing out when activated, leading me to believe a ground short or bad safety switch. BUT, checking the safety switches proves they function as they should. Thinking about ghost voltage; have to check that in the AM. the deeper I get with this thing the more frustrated I get!!!
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#6
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Sounds strange. If you’re jumping 12 v positive to brown wire, that goes directly to the pto coil via the “rear pto jumper”. The coil is then grounded. When you jump the pos to it, is it then pulling in or no?
Edit: seems I was looking at the wrong schematic, 2084.
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(2) Original, 100, 102, 124, 73, 800, #1 and #2 cart, brinly plows, disk, IH184, IH244, 1948 F Cub |
#7
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I think it is the relay, BTDT but check your grounds.
Here is the wiring diagram. https://drive.google.com/open?id=1jw...p8Fc2Sc-PwpzH-
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Up to 530 and counting... I give up updating my profile! |
#8
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I know this isn't the right thing to do, but ran out of time chasing the problem. Needed the PTO to run the snowblower on my 3235 so I cut the (blue) wire that grounds the PTO, ran it to a toggle switch I duct taped to the cowl, and then a wire from the toggle to the negative battery terminal. Flip the switch, PTO gets grounded, blower starts blowing.....and I wasn't shoveling!
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#9
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Smart move, necessity is the mudder of invention
![]() Now you can take your time locating the problem/repairing at a non hurried pace. ![]() |
#10
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2072 w/60" Haban 982 with 3 pt and 60" Haban 1811 with ags and 50C 124 w/hydraulic lift 782 w/mounted sprayer 2284 w/54" mowing deck |
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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