Electric Fan Set up

I’ve had my 89 XJ for 4 years, and to make the long story short, it never had an electric fan. I’m sure the previous owner probably took it out at some point, but I see no left over wiring or anything. I know I can just wire one to a switch but does anyone know where I should look in case there is anything left from the stock fan I could use. I have a couple electric fans from the junk yard one being a stock 90 Cherokee fan. I know ultimately I should just upgrade, but I’ve only had a few instances where jeeps gotten hot (rush hour in the summer time).
Thanks!
1989 Cherokee Laredo
4.0 i6

After watching this my question is
Where would any leftover stock harness be for the cooling fan

https://youtu.be/kW0i6jqljeg

It’s just one plug with 2 wires.


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I know. But to a relay or what?

It goes back to a relay in the PDC under the hood, but I’m sure it goes in to the harness somewhere near the air box.


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There should be a two prong plug next to the airbox.