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MR1 Temp & Oil Sender- Dummy Lights only?
- Thread starter shaung
- Start date
Beachbummer
Jetboaters Admiral
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- Location
- Houston TX
- Boat Make
- Yamaha
- Year
- 2008
- Boat Model
- SX
- Boat Length
- 23
the temp thermo switch in particular is used by the computer to cut out the engine to save it from melting away in an overheat. I do not suggest trying to read the sensors directly with your own wiring for fear of what your observation will do to the computer read out, but if you are careful and know your electronics I'm sure you could pull it off. The service manual has some data on what the sensors do at different temperatures.
After an unexpected overheat and my disappointment at the lack of warning for an overheat, I installed some additional temp sensors in the water flow, and I taped with silicone tape a sensor to the oil filter and another to the exhaust manifold. I have had occasion where I can see the temps are higher than expected, due to either weak waterflow when rinsing, or debris stuck in the pump.
The oil pressure switch is just on/off too, not much value to be gained there I don't think.
If you want pressure and temp for oil, you could install an oil filter "header" or "Spacer" where you can add all those sensors yourself.
Something like this will do
After an unexpected overheat and my disappointment at the lack of warning for an overheat, I installed some additional temp sensors in the water flow, and I taped with silicone tape a sensor to the oil filter and another to the exhaust manifold. I have had occasion where I can see the temps are higher than expected, due to either weak waterflow when rinsing, or debris stuck in the pump.
The oil pressure switch is just on/off too, not much value to be gained there I don't think.
If you want pressure and temp for oil, you could install an oil filter "header" or "Spacer" where you can add all those sensors yourself.
Something like this will do
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