Coolant fans not working

1999 OLDSMOBILE INTRIGUE
134,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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STEVESTARNES1
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Coolant fans do not come on, not even by unplugging coolant temperature sensor. I replaced coolant temperature sensor, tested three fan relays, both max fuses, both fan motors, they are all working. checked as many wires and connectors as I could. what could I have missed?
Apr 14, 2019 at 6:54 PM
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SCGRANTURISMO
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Hello again,

The only other component in the cooling fans circuit is going to be the Power-train Control Module (PCM). You can check the two wires and the PCM connector for any corrosion or unwanted resistance, but other than that I would have to say, by process of elimination, the PCM is bad. Let us know what you are able to find out, please.

Thanks,
Alex
2CarPros
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Apr 14, 2019 at 9:12 PM
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STEVESTARNES1
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The information you provided was exactly what I needed to find the problem. Thanks! You are in my favorites list!
Apr 16, 2019 at 5:50 AM
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SCGRANTURISMO
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Hello again,

I'm happy you got it fixed, that's awesome. What was the problem, though?

Thanks,
Alex
2CarPros
Apr 16, 2019 at 6:09 AM