A/C condenser fan
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CF Junior Member
Joined: Apr 2020
Posts: 85
Likes: 1
A/C condenser fan
2000 K3500 LS
How does the A/C condenser fan work????
The one on this truck only seems to spin very slow.
I have tested the fan, and it works fine.
On other trucks, the fan would come on whenever the A/C was on.
Seem like that is the way it's suppose to work.
But I've read that, on some models, it only comes on then the high side pressure is to high.
Funny thing on this truck, the fan was not plugged in from the factory.
Still had the black tape around it and the wiring.
Anyone have a wire diagram????
How does the A/C condenser fan work????
The one on this truck only seems to spin very slow.
I have tested the fan, and it works fine.
On other trucks, the fan would come on whenever the A/C was on.
Seem like that is the way it's suppose to work.
But I've read that, on some models, it only comes on then the high side pressure is to high.
Funny thing on this truck, the fan was not plugged in from the factory.
Still had the black tape around it and the wiring.
Anyone have a wire diagram????
CF Senior Member
Joined: May 2010
Posts: 587
Likes: 124
From: Maryland
It sounds like you have a standard fan clutch that is not electronically controlled. It is controlled by the temperature around it. When the temperature goes up, the clutch engages the fan. Looking at rockauto.com, I do not see any electronically controlled clutches for your truck.
The wire you mention that is taped up might be for an ambient air temperature sensor.
The wire you mention that is taped up might be for an ambient air temperature sensor.
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