Red light on in a Stype 2005 jaquar - Jaguar Cars & Trucks

SOURCE: 2001 jaquar stype blower motor only works on hi

Hi

All cars are designed with a blower fan motor that pushes air through the ventilation system. This air is processed by a series of vents to direct the air to various positions. Example: heater, air conditioner and defrost modes. Most blower motors are power by a basic electrical circuit that utilizes a multi resistor or a solid-state resistor to control different fan speed modes (low, medium low, medium and high). If the resistor malfunctions it may lose one or more of the lower fan speed settings.Turn the key to the "on" position (do not start the engine). Inspect system fuse and replace if needed. Some cars utilize separate circuit fuses in the fuse box, be sure to inspect all fuses and replace as needed. Remove the fan speed resistor component.This resistor is almost always located in the heater plenum so it can be cooled by the air circulating through the vents. After the resistor is removed inspect the resistor for obvious burn marks at any point. If any area shows signs of extreme heat it needs to be replaced. Also inspect the resistor connector for heat damage. Reinstall with new and recheck system.

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