Description
Controller for seat heating for Peugeot 307 and 607.
Product Overview
This seat heater controller is designed for Peugeot 307 and Peugeot 607 models and restores reliable control of the seat heating function. It is a direct-fit electrical control used to regulate seat temperature settings and the heating element activation. Ideal for workshops and DIY mechanics who search by part number (9629649177, 8904TW) to find the correct replacement part quickly.
Technical information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Peugeot 307, Peugeot 607
- Product Codes: 9629649177, 8904TW
- Additional Numbers: NFP
Installation Recommendations
Before starting work, always disconnect the vehicle battery to avoid short circuits and protect vehicle electronics. Typical replacement steps:
- Remove the relevant trim panel (center console or seat side trim depending on model) to access the heater controller or switch module.
- Unscrew fasteners and carefully release retaining clips to avoid breaking plastic parts.
- Unplug the electrical connector and remove the old controller.
- Install the new controller, reconnect the connector and reassemble trim panels. Reconnect the battery and verify proper operation of all seat heating settings.
Check associated fuses and wiring if the new controller does not restore function. If uncertain about airbag or seat-belt pretensioner connectors near the seat, follow manufacturer guidance or consult a professional technician.
Why This Part Most Often Fails
- Contact Wear: Frequent use causes wear on the internal potentiometer or switch contacts, leading to intermittent or lost settings.
- Liquid Spills: Fluid ingress from drinks or cleaning can corrode contacts and damage internal circuitry.
- Connector Corrosion: Moisture and road salts can corrode pins in the connector, disrupting the electrical connection.
- Thermal Stress: Repeated heating cycles can weaken solder joints or internal components over time.
- Mechanical Damage: Knobs or switch assemblies can crack or fail from impact or improper removal.
Maintenance Tips
Protect the switch area from liquids and clean surrounding trims gently. If the heater function becomes intermittent, inspect connectors and fuses first—these are common, easy-to-check causes. Replace the controller if diagnostic checks point to internal switch failure.
Compatibility and Search Tips
Customers and workshops often locate this part using the product codes 9629649177 and 8904TW. Visually compare connector shape, mounting points and part numbers on the old unit to ensure correct fitment. This helps speed up ordering and reduces installation time.
