2004 Chevrolet Impala - No fan action, yet if you turn on control hear A/C compressor run

Asked by Aug 20, 2015 at 12:47 AM about the 2004 Chevrolet Impala FWD

Question type: Maintenance & Repair

I have replaced the blower motor resistor, the blower motor, and now the actual switch.  
Was working the other night but after major rain storm came through and replacing the
switch - nothing!  Tried to replace blower motor while outside of the housing (connected
power connector and the fan didn't even spin. Started the car, could hear A/C compressor
running but again no cool air or hot air.  HELP, this car is drowning me in repairs.

2 Answers

12,870

If you applied power directly to the motor and it didn't spin then the motors shot ,,, some motors have multiple leads so be sure your on the right lead. Put an Ohmmeter on the motor you should see< 5 ohms

1 people found this helpful.
80,395

Have you checked the fuses and the relay? I believe that your blower motor has a 2 way connector. One is power and one is ground. In order for the motor to spin, especially outside of the vehicle, both must be connected to the battery for testing. Since it stopped working after the storm my first suspect is the fuse. Sounds like something got wet, created a short, and popped the fuse. HTH. -Jim

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