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LS3 -Coolant Temp Sensor heads in 4thgen Camaro

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Old Dec 1, 2012 | 08:51 AM
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Default LS3 -Coolant Temp Sensor heads in 4thgen Camaro

What sensor do I need to operate my guages and fans?
I am really close to having the car done and this is one of the last things to do!
I appreciate any help, I got the M12x1.50 and it was a 2 wire, the other parts store had the 3 wire sensor but it was way to large.
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Old Dec 1, 2012 | 09:53 AM
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I used the stock sending unit for the year of the car.
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Old Dec 2, 2012 | 01:44 AM
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The 98 f body used a 3 wire sender. It had seperate senders built in for the gauge and ecu.
Later models used a 2 wire sender for the ecu. And the gauge was run from the ecu rather than directly from the sender. Fans operate off the ecu sensing temp.
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Old Dec 7, 2012 | 05:43 AM
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Are you sure the 3 wire was the correct one? My 3 wire went right into my ls3 heads.
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