Description
Airbag And Seat Heating Harness For Passenger Seat For Peugeot 308 T7
Description
This used wiring harness connects the passenger seat airbag and seat heating elements on Peugeot 308 (T7) vehicles. It routes power and signal lines between the seat modules and the vehicle wiring loom, providing safe electrical connection for the airbag inflator circuit and the seat heating pads. Ideal for mechanics and experienced DIY technicians who need a direct-fit replacement part identified by OE codes.
Benefits And Application
- Direct replacement for faulty or damaged passenger seat airbag/heater harnesses on Peugeot 308 (T7).
- Keeps Airbag And Seat Heater Systems Functioning Properly — restores circuit continuity and reliable connector contact.
- Often searched by OE codes: 4424698AF, 442469AB, 6509W2 — include these numbers when searching or ordering to improve fitment accuracy.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 308 (T7) — Passenger Seat
- Product Codes: 4424698AF, 442469AB, 6509W2
- Other Numbers: NFP
Replacement Procedure (Overview)
Replacement should be carried out by a competent technician or an experienced DIYer with basic diagnostic tools. Typical steps:
- Follow manufacturer safety procedures: disconnect the battery and follow the manufacturer-recommended wait time before touching airbag circuits.
- Remove trim panels and, if required, unbolt and move the passenger seat to gain access to the harness routing beneath and behind the seat.
- Carefully disconnect all seat connectors (airbag, seat heater, sensors). Label connectors if needed to ensure correct reassembly.
- Remove the old harness, noting the cable routing and clip locations. Replace any broken clips or retainers.
- Install the new harness in the same routing, secure all clips, and reconnect all connectors until they click into place.
- Reinstall seat and trim, reconnect the battery, and perform a diagnostic scan to confirm no airbag or heater faults remain. Clear stored fault codes according to service procedures.
Installation Recommendations
- Always disconnect the battery before starting work on airbag circuits and follow the vehicle manufacturer’s procedure to avoid accidental deployment.
- Handle airbag connectors and pyrotechnic wiring with extreme care — do not pull on wires, only on connector housings.
- Replace any damaged clips, grommets or insulation to prevent chafing against seat rails and metal edges.
- After fitting, use a compatible diagnostic tool to check airbag and seat-heater circuits and to clear or confirm fault codes.
- Ensure correct routing and secure fastening to avoid future wear from seat movement.
Most Common Failure Causes
- Mechanical Damage — wires pinched or cut by seat rails and moving parts.
- Connector Corrosion — moisture ingress leading to poor contacts, intermittent circuits or open circuits.
- Wear And Fatigue — repeated seat movement causing insulation abrasion or broken conductors.
- Poor Previous Repairs — incorrect splices or unsecured wiring that later fail under movement.
- Heater Element Failure — internal short or open in the seat heating pads, detectable as increased resistance or fault codes.
Notes For Buyers
Searches using OE numbers (4424698AF, 442469AB, 6509W2) increase the chance of finding the correct unit quickly. This harness is intended for Peugeot 308 (T7) passenger seats; verify fitment by comparing product codes and connector shapes. Suitable for professional workshops and experienced DIY installers familiar with airbag system precautions.








