You only have one. It should have two wires; a black / light blue and a tan / black. That's the sensor for the Engine Computer. Instead of using a second single-wire sensor like they did previously, the information is transmitted to other computers over the two-wire data buss. The instrument cluster is a computer module that reads that information and gets it that way instead of using its own coolant temperature sensor.
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Sunday, July 3rd, 2011 AT 8:43 AM