Notplayn Posted July 14, 2022 Report Share Posted July 14, 2022 Cooling fans were not coming on at all. Checked voltage to assembly, OK. Replaced fans and now they both run all the time as long as the AC is on. If I turn the AC off the fans turn off. Any idea what I should check? Is it possible the ac high pressure switch is bad causing both fans to run? Thanks! Quote Link to comment Share on other sites More sharing options...
1004ron Posted July 14, 2022 Report Share Posted July 14, 2022 (edited) What brand cooling fans? Try a forum search for which brands work, and which don't - non-OEM don't. They should run when the AC is on. Edited July 14, 2022 by 1004ron Quote Link to comment Share on other sites More sharing options...
Notplayn Posted July 14, 2022 Author Report Share Posted July 14, 2022 Thanks for the response. I ordered Dorman with the upgraded controller from Advance Auto Quote Link to comment Share on other sites More sharing options...
1004ron Posted July 15, 2022 Report Share Posted July 15, 2022 2 hours ago, Notplayn said: Thanks for the response. I ordered Dorman with the upgraded controller from Advance Auto Do a forum search - there's a few reports on here about the Dorman not working as it should - Motocraft is the only one that does. Quote Link to comment Share on other sites More sharing options...
kruzr1 Posted July 15, 2022 Report Share Posted July 15, 2022 I believe both fans are supposed to turn on when the AC is on. Not sure why both turn off when you turn the AC off unless the engine has reached a low enough temperature. Quote Link to comment Share on other sites More sharing options...
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