Recent content by jshep1102

StarTech, I got the service manual for this mower now. Is there way to Direct Message you on this site?

Oh, the sweet taste of success. I figured it out!! I had a bad connection in the plug (circled in red on the pic) at the brake switch that prevented power from being fed to the PTO clutch and the fuel cutoff solenoid (green traces in the pic) when the brake was disengaged. The previous owner...

Good News/Bad News Good news - I found the problem w/ the seat safety switch not getting power. The previous owner was very tricky and spliced green and yellow wires going to the seat switch and buried the splice WAY up the factory loom that protects the wires. After several hours of tracing...

I thought the same thing when I saw the schematic but that yellow 510 is hot in the key ON position. It must provide field excitation to the alternator.

Perfect!!! Thanks so much. It'll take me a little time to decipher this but step one is to figure out why seat switch 510 yellow has no power. It seems it has to be a broken wire somewhere because 509 yellow has power at the seat delay module. Just gotta find the ghost or goblin in this...

OK, I've run out of daylight but we're getting closer (I think). Still weird response, this is what I have: 1. With key in "RUN" position, I have 12+VDC on yellow 509 at seat delay module (expected) 2. With key in "RUN", I do not have any voltage at yellow 510 at the seat switch (unexpected)...

oops, didn't see your post before I ordered the ebay service manual. It is TM2259 and it says it covers s/n 010001- up. It was only $25 (digital copy) so I'm not out much if I ordered the wrong one. Thanks for all your help.

OK, the rain finally stopped and I got to dig a little deeper. I found a picture of a 2x2 pin configuration delay module that showed wire colors and I checked resistance reading that Kenbu posted on my 1x4 pin configuration delay module. They were very similar readings as shown in the...

Correct, switch is open with nobody in the seat. It closes with relatively light pressure on the seat so i'm confident this switch is not the issue. I stopped at 2 local shops today trying to find an electrical schematic to aid in troubleshooting but neither could access it. The closest...

If it is a failed delay module, it has failed in the "energized" condition and is keeping the fuel solenoid and/or magneto stop from killing the engine when the operator leaves the seat for >2sec. It's a rainy day today so I'll have to do some more testing tomorrow afternoon when the rain is...

The screenshots of ways to check the timer module are for a type different than mine. It shows a square 4 pin plug in a 2x2 configuration. Mine is a 1x4 flat configuration. I attached pics of the 2 different styles I've found. I was wishing Kenbu's pic showed wire colors so I could check...

AutoDoc, It has a 4 pin connector for the seat control module like the one shown in the attachment. It that the magic box you were thinking about?

Thanks Star Well, that explains why I couldn't find an ECU anywhere on that tractor. 10 relays in a row above the engine.

Thanks StarTech. I can't tell if this mower is the "R" version of the 997. No labels anywhere show an "R" after the 997. For $15, I'd gladly get the tech manual. Where's the best place to get it?

I saw that thread but it's addressing a problem a little different than the one I'm having. It also has a different style of time delay module. It has 4 pins in a 2x2 configuration. Mine is a 4 pin in a flat configuration. Thanks for the response though.