Tc33la pto light on won't start

[Scooter1972]

TC33DA pto light on, won't start

New Holland TC33DA, This happened several times this weekend mowing and grading. Pto engages fine, used it a couple hours mowing. after about two hours, tried to start and pto light was on but not engaged so it wouldn't start. Removed connector and it seems fine. Manually pressed switch and light remained on. Let it sit overnight and cranked up the next morning with no light on. Used for a couple hours discing and grading, restarting several times and then it happened again after using in 90 degrees plus for 2 hours.
Is there a chance the pto light also indicates something heat related? We haven't tested anything yet as it always works when we are at the barn but when it dies it's miles away so we just let it sit and come back later. Any ideas where I should start? Can I rule out fuses since it does eventually start? Would a relay get hot and not work but work again when it cools? Thanks in advance

 

[Scooter1972]

Re: TC33DA pto light on, won't start

New Holland TC33DA, This happened several times this weekend mowing and grading. Pto engages fine, used it a couple hours mowing. after about two hours, tried to start and pto light was on but not engaged so it wouldn't start. Removed connector and it seems fine. Manually pressed switch and light remained on. Let it sit overnight and cranked up the next morning with no light on. Used for a couple hours discing and grading, restarting several times and then it happened again after using in 90 degrees plus for 2 hours.
Is there a chance the pto light also indicates something heat related? We haven't tested anything yet as it always works when we are at the barn but when it dies it's miles away so we just let it sit and come back later. Any ideas where I should start? Can I rule out fuses since it does eventually start? Would a relay get hot and not work but work again when it cools? Thanks in advance

I looked through the sticky on this and it seems my problem is not the same as others. most had something pulling wires loose or battery corrosion. I have neither and no others with the problem have mentioned that it starts after sitting for several hours. Anybody? lots of views with no suggestions

 

[TC 30]

Did you resolve this? My TC30 is doing the same thing. I was thinking the problem was with the safety controller. Looking at the schematic it seems all of the safetys go through there.

 

[MiserableOldFart]

Couldn't it just be the switch? On my TC26DA it's just a button that the thing pushes against. If manually holding it down doesn't make the light go off, I might first try a little electronic cleaner spray into the switch as a wing and a prayer shot. If the didn't help it might make sense to test the switch to see if it's making the contact necessary. just a little dirt on a contact can cause lots of intermittent problems.

 

[TC 30]

I put a jumper on the PTO switch to make the light go out, it started right up, figured the PTO switch was it, then a couple of days later, back to the same thing. PTO light comes on when you move the switch to the start position. Read on another blog to check the battery. Had it load tested, and it failed miserably. Replaced the battery and everything started working fine, took the jumper out of the PTO switch and all seemeed to be solved. Now I am back to the same thing. Wont start at all, jumpered the PTO wires again just to try it and it started and ran for a couple of minutes and died. Ive tried tried everything but throwing very expensive parts at it (the safety controler is $400) Very frustrating and I'm seriously considering getting rid of it and cut my losses, been fighting this gripe for over a year on and off.