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I have a Scag Turf TigerII with the TigerEye monitoring system. My problem is that the hour meter is illuminated as it should be but when the engine is running it does not log any hours. The engine on my mower is a Kohler ECH 749, 26.5hp, fuel injected. I have checked fuses, all checked out OK. And I have searched the internet for any mention of the problem but came up with no help. So, hopefully someone here on this forum can help.

Thanks in advance for any help you can provide.

Check electrical connections at backside of hour meter.

mechanic mark said:

Check electrical connections at backside of hour meter.

Click to expand...

Thanks for the reply. I will check those connections.

mechanic mark said:

Check electrical connections at backside of hour meter.

Click to expand...

I checked and cleaned the connections and they all looked good. There is a relay in where these connections are, but without actually looking at a wiring diagram, it appears that the relay is associated with the starting system. Is this correct?

Unless you know differently, I would expect the relay could be designed to supply power to the hour meter when the engine is running(or the ignition switch in RUN). You may have a wiring schematic in the owners manual, might find one searching the net, and know for sure. If you want to shotgun, you could just replace the relay and see what happens, or could trace the wires. It would make sense for a relay to get powered by the charging system, and in turn pass power to the timer which would then indicate actual run time. A relay would be a quick and good solution for that situation.
tom

Well, it seems that I have solved the Tigereye hour meter problem, but it was purely by accident. The ignition switch on my mower had become so sloppy where the key is inserted that the key would actually vibrate out of the switch. So I replaced the switch and cut some some grass and when I finished I happened to glance at the hour meter and it appeared to be clocking the hours again. So the next couple of times I mowed, I made a point to write down the time on the hour meter and make a note of the time I started. Each time the hour meter's hours matched to my time. So this was either a helluva coincidence or with the key hole being so sloppy there was circuit not providing voltage to the hour meter. Maybe this will help someone else who may have this problem in the future.