Hi,
Does either of them work? If you turn the A/C on, does one come on? Let me know.
Also, I attached the wiring schematic below for the radiator fan circuit. There is a fuse that will need to be checked as well as a fan relay. I highlighted both in the pic. I also highlighted the ground because it is a common ground for both fans. Make sure it is in good condition and not corroded or damaged.
When you check the fuse, it's important to not only confirm the fuse is good, but also you need to make sure there is power to and from it.
Here is a link that explains how it's done:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Also, the relay is located on the frame rail on the driver's side. It will be at the end of the frame.
Here is a link that explains how to test one:
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
Let me know what you find. Also, let me know if you tried running power directly to the fan motors to see if they are good.
Take care,
Joe
See pic below.
Image (Click to make bigger)
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Thursday, September 15th, 2022 AT 8:02 PM