fans

[tilley]

whats up yall i have a 2003 yukon denali that i am working on it has the 6.0 and is awd i have recently installed electric fans is there any way i could use this to activate the fan pins in the pcm

[WASyL]

Fan relay control (low speed) is on pin 42 C2 (Blue connector), it controls ground. Rest is wiring like ordinary relay. Then just adjust low fan speed temp skrzyni n and your good to go.