It depends on if you want the fan s to kick on with motor temp or water temp.
Electric fan temperature sensor location.
Add an electric cooling fan and there s another port needed for the switch to turn on the relays.
The second cooling fan control switch mounts just above the lower radiator hose 8 inches from the bottom of the radiator.
On most american v8s this is at or near the thermostat housing.
When monitoring your cooling system take the temperature reading at the point where the coolant is hottest.
Remove either cooling fan control switch from your cadillac by first disconnecting the battery s negative cable.
One advantage to the efi conversion kits is that there is a dedicated output to use for electric fan relays and the efi controller can be used to switch the fans on at a set temperature and off again when the temperature drops below a certain point.
The big block in our.
The first switch mounts 3 inches from the top of the radiator.
Bmw 2006 330i e90 temperature and fan switch and coolants location.
If you want to keep the motor temp down hook it in the block are the intake.
I like the side mount on the drivers side of motor.