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How to Replace the Cabin Heater Resistor

Model: (Various brands) Various
Part: Heater core

Video tutorial

The first step is to locate the resistor, which is positioned behind the glove compartment in front of the front passenger seat. In some cases, it may be located outside the cabin, specifically under the bonnet.

You will need to access the ducts connected to the fan that pushes air into the cabin to disconnect the connectors from the resistor for removal. If necessary, unscrew the screws securing it. Then, proceed with replacing the part and retrace the steps described for reassembly.


Updated on 27 February 2026 by ScegliAuto


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