Hi, the radiator fan is running until the battery drains. Is this due to a temperature sensor and if so which one?
Oct 20, 2023 at 3:03 PM
the radiator fan is running until the battery drains, temperature sensor?
2014 BUICK ENCORE
SUZIB1889
- MEMBER
- 1 POST
- FOLLOW
Advertisement
Hi,
When the ignition key is turned off, the power is cut from the sensor, so at this point, I don't feel that is the cause.
On the other hand, the fan relays have power at all times (at least two of them). If a relay has failed and is in the closed position, power will constantly run to the fan motor.
I attached the wiring schematic below so that you would have a reference. Here is what I need you to do. First, there are three fuses in the under-hood fuse box that I need you to remove one at a time to see which one turns off the fan. (see attached pic).
Do this and let me know which one does it so I know which relay to check.
Take care,
Joe
See pics below. Note: There could be a constant ground being provided to the relay as well. We need to check one thing at a time.
When the ignition key is turned off, the power is cut from the sensor, so at this point, I don't feel that is the cause.
On the other hand, the fan relays have power at all times (at least two of them). If a relay has failed and is in the closed position, power will constantly run to the fan motor.
I attached the wiring schematic below so that you would have a reference. Here is what I need you to do. First, there are three fuses in the under-hood fuse box that I need you to remove one at a time to see which one turns off the fan. (see attached pic).
Do this and let me know which one does it so I know which relay to check.
Take care,
Joe
See pics below. Note: There could be a constant ground being provided to the relay as well. We need to check one thing at a time.
Images (Click to enlarge)
Oct 20, 2023 at 10:18 PM