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Courtesy of Sean Steinman and Peter Florance
It's time to play "Name that Sensor"! Thanks to Sean, here's a picture of the various coolant sensor and what their functions are.
| Picture Label | Bosch Sensor Name | Function |
| Temp-Time Switch | Thermal Time Switch | Controls operation of cold start valve during cranking and limits to 8 seconds max to prevent flooding. Mating connector is brown |
| Temp Sensor for ECU | Coolant Temp Sensor | Provides Fuel Injection ECU with coolant temperature information for warm up fuel enrichment. Mating connector is amber or beige (to match sensor color) |
| Water Temp Sensor | Coolant temperature for dash temperature gauge | |
| Bosch Connector | Typical Bosch fuel injection connector. Connector shown is for Thermal Time Switch |
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