Fans only work when the AC is on.

[Booster-Shot]

Hey well long story short I got my radiator cap stuck in one of my cooling fans. So instead of the motor burning out my relay got fried, so I replaced that, but now my fans wont turn on by themselves. But they still work when I turn on the AC. Does anyone know what could be the cause of this??? Thanks a lot-

 

[Gary 420A RS]

do you have stock fans or aftermarket?

you have to sourses for the fans one on each side driverside for A/C and the passenger for the heat.

 

[Booster-Shot]

I have stock fans, I just replaced my radiator and Im pretty sure I connected it all back together.

 

[Dream On]

There's a fan sensor on the bottom of the radiator. My fans did this once and my car was overheating. I just replaced the thermostat and the fan sensor and everything works now.

 

[Booster-Shot]

Alright thanks a lot, my thermostat has been leaking a lot and Ive been meaning to replace it. If that doesnt work Ill try the sensor.