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Need help with temp sensor

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Old Jan 3, 2012 | 10:44 PM
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Default Need help with temp sensor

Im trying to figure out where the grey wire from my temp sensor goes on my PCM. Originally I was not going to use it but decided to because I want to run my cooling fans off my PCM.

I know my Yellow wire goes to # 74 on the Blue PCM connector, but I can find the pin location for the grey.

Would this be it? "52 GRY 23 Generator Field Duty Cycle Signal"

My engine is an LQ4 6.0L from a 2002,2500 HD truck with Blue/Red PCM
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Old Jan 3, 2012 | 10:50 PM
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Look for the Temp Sensor Ground..I dont have a truck PCM Diagram infront of me otherwise I would tell you.

Look at PCM Blue 80..see what that is.
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Old Jan 3, 2012 | 11:22 PM
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I still can't find it. I used this pinout for my setup.

http://lt1swap.com/99-02_vortec_pcm.htm
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Old Jan 4, 2012 | 01:01 AM
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follow the schematic for an 00-02 5.3 or 6.0
https://ls1tech.com/forums/conversio...-diagrams.html
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