A/C Fan Control.
08-30-2015, 12:44 PM
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Join Date: Jun 2015
Location: Grand Junction, Colorado
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A/C Fan Control. Did a bit of digging on the main forum but now my brain hurts.
I'm running a PSI harness for an 04 6.0. They have the wire for the a/c request going to pin 18. From what i have read for the ecm to kick a fan on with a/c that wire should go to pin 17 and pin 55 needs to be grounded?
From what i have read as well pin 18 is there to just raise the idle when the a/c is on which does not happen. I plan to quiz PSI via email but i'd sure like to cure this today if at all possible as it is the last lil hickup to having everything done and running smoothly. Still have to road test it on the highway but in town the cruise works so i just need to make sure the TCC works as well.
Thanx in advance.
DW
I'm running a PSI harness for an 04 6.0. They have the wire for the a/c request going to pin 18. From what i have read for the ecm to kick a fan on with a/c that wire should go to pin 17 and pin 55 needs to be grounded?
From what i have read as well pin 18 is there to just raise the idle when the a/c is on which does not happen. I plan to quiz PSI via email but i'd sure like to cure this today if at all possible as it is the last lil hickup to having everything done and running smoothly. Still have to road test it on the highway but in town the cruise works so i just need to make sure the TCC works as well.
Thanx in advance.
DW
