Fan not working

1994 SATURN SC2
120,000 MILES • 4 CYL • AUTOMATIC
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MELODI VANBRUNT
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  • 7 POSTS
I have replaced coolant sensor and relay, fan still did not come on.So I used a wire to jump the sensor plug wire so the fan would come on when I turn the ignition key on then off when I turn the ignition key off.The fan would work then.
Nov 21, 2019 at 9:16 AM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Hi,

If the fan will run, it's good. Also, since the relay was already replaced with the same results, that isn't the issue. I can tell you that if the relay is is getting power, then I expect the problem is between the ECM and the relay. The ECM is what signals the fan on.

Let me know.

Joe
Nov 21, 2019 at 5:25 PM