2003 Buick Rendezvous Blower Motor Not Working. Without this part you will not be able to change the speed of the airflow from the blower motor. Blower Motor Speed Controller if the whole motor was bad it would not run at all. Ok check and make sure in the under hood fuse box the fuse IGN 3 40 amp fuse is goodif it is then it is either the blower motor or the blower resistor both under passenger side of dash bottom of the heater box if that fuse is good turn the key on and set blower motor to high speed see if you have 12 volts at the RED wire going into the blower motor and a good ground at the BLACK wire at the. The AC light used to come on.
For electrical parts I only trust the dealership for the latest revised components. It is also possible that the heater motor blower may not work at all. There is a Blower Motor Control Processor on top of the HVAC m. The 2003 Buick Rendezvous has 3 problems reported for blower motor broke. The fan now works in all five speeds. Blower motor not working all fuses good2003 buick.
I bought the resistor at the GM dealership for 48 AC Delco.
I just replaced the blower motor resistor on my 2003 Rendezvous. Without this part you will not be able to change the speed of the airflow from the blower motor. Ive checked the fuses and the blower motor. Blower motor not working all fuses good2003 buick. The heater blower motor resistor is located underneath the dashboard in the heaterAC compartment. 2006 rendezvous blower motor started making a loud noise 2 Answers.