GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Question....GS300 Coolant Temp sensor for gauge cluster

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Old 12-21-10, 02:02 PM
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AMSMIKE
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Default Question....GS300 Coolant Temp sensor for gauge cluster

After talking to Sewell and my local dealership. I figured out the part number (83420-30020) for the coolant temp sensor/sending unit that sends its signal to the gauge cluster.

Now my question is.....what does the plug look like? (i no longer have my stock engine/harness so i cant look at it).

Does anyone have a picture of the plug that goes into the sensor/sending unit?

I will upload some pictures of the sensor/sending unit that i am talking about shortly.

Last edited by AMSMIKE; 12-21-10 at 02:11 PM.
Old 12-21-10, 02:03 PM
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saved for pictures
Old 12-21-10, 02:25 PM
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it looks like this
Old 12-21-10, 02:30 PM
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^^^^^that is for the fan switch i thought. not for the gauge cluster.
Old 12-21-10, 03:25 PM
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sorry thought it was the same ones
Old 12-22-10, 03:17 PM
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all figured out. went to lexus and used their service manuals.
Old 12-15-13, 03:17 PM
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If you are looking for the sensor that the gauge takes its readings from, it is called the "sender gauge" or the "coolant sender gauge". It has just 1 pin on the connector plug. Not 2 pins on the plug like the typical coolant temperature sensor. You can type "gs300 coolant sender gauge" on ebay and they are around 13$ each.
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