Temp sensor shorted or high-pressure switch (A/C). Might re-post this on diesel discussion for the location of said sensor.

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Gone to the dark side

- Jeff

I just bought a new set of aux. cooling fans for my 96. Same problem with constant run cooked the orig fans. My AC control unit is also NG, when I unplugged the AC control, the fan problem stopped. Now I need a new AC control panel.

thanks babymog i went out and moved the temp sensor wires and the fans stop running so it was a short in the wire thanks again