MKIII How To Replace Final Stage Resistor

The Final Stage Resistor (FSR) Package is located in the Right Hand footwell of the Vehicle. The FSR is a series of current limiting resistors for the HEVAC blower motors. The FSR package is a epoxy sealed electronic package with a integrated heat sink. The entire package is atached to the HEVAC blower motor assembly in the RH footwell next to the transmission tunnel and front towards the firewall. To gain access, the RH footwell panel must be dropped and the RH center console facia must be removed.

 

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When the FSR fails, two symptoms can be observed. First the most obvious symptom is that the blower motors do not respond to the manual HEVAC fan controls. The blower motors can either operate to quickly or not operate at all. Secondly, when the FSR fails, the blower motors have the potential to activate even when the key is in the Off position. When this occurs, no one may be in the car at the time. A long term symptom of this, is that the main vehicle battery may drain very over 3-6 days of sitting in a garage.

 

The FSR is very easy to replace. The part is approximately 65 USD and avaliable online under the part numers;

Land Rover     JGO 000021

BMW                 64 11 6 923 204

The official Land Rover repair procedure call for the job to be billed at 3 hours. You can do the math on this one and quickly see that the job is worth 30 minutes of your time. Really, this will not take more than 30 minutes. To perform this job, you need a Torx driver, size 20 and a phillips screw driver.

 

Start by removing the screws on the RH footwell panel;

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Remove the Center Console Side Facia;

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Remove the Footwell Vent; This step is a bit out of the safety zone. This step requires a bit of careful use of force. The footwell vent is not designed to come out this direction. It can be done with a minimal ammount of force and no damage will result. When pulling it out, make sure and remove the floor mat for that extra needed cm. When pulling, keep the footwell vent in contact with the footwell floor and slowly pull the vent towards the seat, following the floor contour. Removing the footwell vent saves about 1.5 hours of labor. Otherwise you must remove the glove box and the fuse box.

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 You can now see the location of the Final Stage Resistor Assembly;

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Remove the Power Plug Clip and Then remove the FSR assembly by gently releasing the retaining clip;

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Reassemble the vehicle in reverse.


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