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air flow goes fro the front of the car, back.
Stock fan will pull air through the radiator, adding a fan on the front should Push Air through the radiator. When outside temps get colder, the A/C will not run as it shouldn't be needed. I am guessing you used the wires that go to the stock fan on the new fan in front. Mine worked for the few years I had the car and sold it.
 

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There is a temp sensor in the car as well that checks the ambient temp for the AC too. If the motor temp gets above 215 ish, the fan kicks in too.
The fan blades are designed to work in either direction if it is a pusher/puller fan. Butt splices will work, but in an outdoor environment they should be sealed to keep the moisture out. Liquid electrical tape does a good job, or at least shrink tubing.
 
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