I had already done the wiring behind the instrument cluster, so today I needed to fit the sensor and do the wiring in the engine bay.   The previous owner of the car liked to use rainwater in the radiator, so at the same time I wanted to replace that with a 30/70 coolant mix.   I also threw in half a bottle of water wetter for good measure.   The water that drained out of the car had a bit of a rusty tinge, but was otherwise ok.   There was also a stocking in the top radiator hose with a small amount of debris.

The sensor is located in the water pump housing.   There is a bolt that is removed and the sensor put in its place.

The gauge seemed to move a bit in the garage, I need to take it for a proper drive to make sure it is working correctly.

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• My temperature gauge was disconnected
• The silver circles around the gauges were peeling off
• There was minimal speedometer illumination, a problem in our world full of speed cameras
• I wanted to move from MPH to KPH
• One of the corners of the housing was broken off due to the screws being tightened too much

Since the instrument cluster was not original (the previous owner told me he had replaced it at some point) and I have no idea of the total mileage of the car, I purchased another instrument cluster from French ebay and removed the KPH from the unit (four screws at the back and remove the buttons at the front to open the unit and a couple more screws to remove the rev counter and speedo).   I also fixed the temperature gauge where the needle had been bent.

The result looks much better, and I can actually see at night!  I haven’t yet tested the temperature gauge since I have not yet installed the sensor on the engine.     I still need to find out why the STOP light only sometimes works.   I’m also not sure if the temperature light works, brake pad light etc.

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