Harley Davidson Engine Temperature Sensor

It looks kind of like a spark plug with an oval plastic end.

Harley davidson engine temperature sensor. If there arent any stored codes which happens sometimes with a failing ET sensor you can do a simple test. Flex in VA New Member. The ignition coil has a simple job.

I have a 1983 FXRT Tour Packet pretty much stock. When the ECM senses hot cylinder head temperatures the ECM goes into overheathigh temp mode which is commonly referred to as Parade Mode. The sensor is located on the cylinder head on the left side as I sit on the motorcycle.

It is accessible by removing the horn. To convert the current volt to a much higher voltage to fire the bike. Max and Avg temp measured by thermocouple on exhaust header 6 below exhaust port.

The temp sensor is located at the back of the front cylinder behind the horn. Part H210770 fits the following machines. ET sensor As glider said it is a single sensor located on your front cylinder headthe sensor provides input signals to the ECM as it reacts to the tempeture of the front cylinder head the ECM uses this signals from the sensor to determine if the engine is at operating tempeture or warming up from cold start.

It came equipped with a clock voltmeter engine temp and oil pressure. Engine with Wide Band O2 sensor upgrade 1301 AFR. Simplified the ET sensor tells the ECM what the temp of the front head is.

Unfortunately they tend to go out from time to time. It also had a radio which I had replaced. So far it seems to run fine but it will need a longer run to really test it out.