1999-2004 Discovery II HVAC Blower Motor Resistor JNH100000 Rear

HVAC Blower Motor Resistor – Rear Auxiliary HVAC | Land Rover Discovery II (1999–2004) | Part # JNH100000

Keep your Land Rover Discovery II’s rear climate system running smoothly with this HVAC blower motor resistor designed specifically for the auxiliary (rear) HVAC system. This critical component controls the speed of the rear blower motor, allowing rear-seat passengers to experience adjustable airflow for improved comfort in all driving conditions.

Manufactured to meet or exceed OEM specifications, this resistor ensures compatibility and reliable performance on 1999–2004 Discovery II models equipped with rear auxiliary air conditioning and heating. It replaces Land Rover part number JNH100000 and is installed in the rear HVAC blower unit, typically located behind the rear paneling.

Whether you’re replacing a failed resistor that caused the rear blower to stop functioning or you're performing a full HVAC system refresh, this direct-fit replacement part is engineered for long-lasting durability and seamless integration with factory systems.

Vehicle Fitment: Compatible with all Land Rover Discovery II models equipped with auxiliary rear HVAC, including:

• 2004 Discovery HSE, S, SE – 4.6L V8 Gas
• 2003 Discovery HSE, S, SE – 4.6L V8 Gas
• 2002 Discovery Series II SD, SE – 4.0L V8 Gas
• 2001 Discovery Series II LE, SD, SE – 4.0L V8 Gas
• 2000 Discovery Series II – 4.0L V8 Gas
• 1999 Discovery SD, Series II – 4.0L V8 Gas

Important VIN Note:

• 1999 Discovery I VINs begin with SALJY
• 1999 Discovery II VINs begin with SALTY

Product Details:

• Part Number: JNH100000
• Type: HVAC Blower Motor Resistor
• Function: Controls blower fan speed for the rear (auxiliary) HVAC system
• Location: Rear interior HVAC blower motor unit
• Condition: Brand-new, high-quality replacement part
• Compatible HVAC System: Factory-installed rear (auxiliary) heating and cooling system

Why Replace the Rear HVAC Resistor? A faulty resistor can lead to limited or no airflow from the rear vents, fan speeds stuck on one setting, or complete rear fan failure. Replacing the resistor is a cost-effective repair that restores proper fan control, ensuring comfort for all passengers.

Restore rear climate control and ensure your Land Rover Discovery II stays comfortable for every passenger with this OEM-spec HVAC blower motor resistor for the auxiliary HVAC system.