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Thank you! 0 current on any of the contacts in the wiring harness. At least the back of the circuit board is cleaner now. The service manual I have for the tractor is so undetailed that it's not very useful. I guess my next step is to trace the wiring harness back to the fusebox to see if...

Continuity checking: The setting on my multimeter where it goes "squee" if current goes through. Yeah, it's been 21 years since that "electricity and magnetism" class in college. I have continuity on one of the 3 bulbs in their little turn-out sockets, even after spraying the contacts with...

The circuit board looks a lot cleaner now, but still no lights. Am I just sticking the multimeter into the wiring harness and then grounding the other side onto the tractor body to check for current? Or will my light-up "there is current here" detector work?

The bulb sockets each have two contact points on them, and those are pretty clean. I'll try getting some Deoxit and will use it on the circuit board to see if that clears it up. It's ordered and should arrive next week.

Shouldn't there be something connecting to the back of these light bulbs?

I've left the key turned to the right but not on a few times in cold weather to give the glow plugs time to warm up. I don't know if that's even a thing in this tractor or not, but when I was having trouble starting the tractor, it was one of the suggestions. No lights.

Kubota L3650, early '90s. Problem identified during the engine fix (previous thread here) caused by the oil cap being lost and the engine running without oil. I've had this tractor for about 3.5 years, and the 3 dash warning lights below the gauges have NEVER worked. I didn't even know they...

One rod bearing had chewed itself up. The $35 part has been replaced, oil/filter changed, etc., and the tractor is running now. He did not have to take apart the engine, just move axle/driveshaft/etc. and take off the oil pan to access the crankshaft and rod bottoms. About 10 hours of work by...

My neighbor, who is a retired diesel/heavy engine mechanic (used to work for Cat) and who has his own little stable of heavy equipment (grader, dump truck, forklift, backhoe, and more) came over this evening. 1) The dipstick showed nearly no oil. We put 5 quarts in to get it to a healthy...

It's really too loud to tell where it's coming from. Messick's seems to think I don't have injectors, or that they're named something else. All I can pull by name is an injection pump or components. Am I going to be able to get at this without doing a bunch of disassembly?

The hose is on. I don't think it's ever been on in the 3 years I've owned this tractor. The engine is still really loud and blowing a lot more exhaust than usual. Video here: Unfortunately THIS thread is one of the top search results for some of my search terms. So far leading candidates...

I will have to check those parts out, thank you!

The engine odometer has about 875 hours on it. I bought it used a couple of years ago. The guy I bought it from had changed all the fluids and filters. Prior to my bush hog issues I had zero engine problems/noise so it's odd to suddenly go from zero to loud/problem overnight. I would expect...

Okay. I don't understand the physics of how adding a 12" pipe/hose changes the exhaust noise and power that much vs. just having it vent right there. It may work but I don't understand how. Should be really easy to replace, though!

Does the pipe just hang down and not attach to anything at one end? The diagram has one end going into the engine block and doesn't show where the other end goes.

Oh, okay, and this is the back end attachment.

Thank you, so it looks like there's consensus on it being the hose, but not on if I have a bigger problem. Where does the other end of the hose go to, and what does it connect to?

It's actively blowing exhaust when the engine is running, so if it's a rainwater exhaust, something's malfunctioning. I think the engine is a bit under-powered (not enough back pressure?) but have no way to measure/prove it. Here's a better picture. The muffler blocks it... I may have to take...

I have a Kubota L3650, early '90s. The hole/tube thing in this picture is on the left side of the engine, inboard and mostly below the muffler, and above and rear-wards of the alternator. What is it? Is there supposed to be a hose connecting here, or some kind of cap? Context After finally...