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From what you describe it sounds like a thermal turn signal flasher, a circuit breaker, or, God forbid – a voltage regulator. There is no place in a 12 volt circuit for 30 volts, so I suspect the problem is with your voltage regulator. Apparently your alternator is doing just fine. Carefully inspect your wiring and wiring harnesses for chafing and ground-outs. Someone else may know exactly what the problem is.
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From your description a small light bulb lit up in my head. I saw a device like that on some piece of equipment one time. The glow plugs ran through this device. As the glow plugs drew power the device would heat because of the amperage draw. After it got so hot it would open and stop the glow plugs from heating. I remember thinking that it was a very crude way of timing the heat up of the glow plugs…but what the heck it did work. I have no idea if this is what you have or not.
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Whatever that black box is I havnt figured that out yet. The pos. wire comes directly from the starter, which is a junction directly from the battery. The other side reads to ground and that might be my problem. It goes through the key switch and that is where I stopped my tracing. I will start there tomorrow. The 30 VDC could be a bad regulator and might have melted that run of wire.
Now where to get a new regulator?? Where is it mounted on the tractor?? Just under the hood, just above the fuel tank, is a little black box with a light on it that glows red when the tractor is running. Has 3 wires going to it. Could that be the regulator/rectifier??
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This is Bennie. i have a ts254c and i have no wire going to my glow plugs. previous owner done something and there is no wire. Can you tell me where the wire starts and gets to the glow plugs.
I think it should come from switch to plugs, i do have a glow plug position on key switch.
Any help thanks
Bennie
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