power to fan

How can I check if one of my radiator fans is defective or is the connection defective?
How can I (not shop) check?

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unplug the fan and 12V it to the battery.

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Turn on the air conditioner. If the fan does not come on - replace it.

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connection
The first thing I would do is state what kind of car this is?
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Sorry. 1997 Dodge Intrepid 3.3

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