Description
Complete BEHR digital air conditioning harness for Peugeot 307 up to 2004.
This BEHR digital air conditioning wiring harness is a direct-fit electrical loom designed for the climate control system used in Peugeot 307 models up to 2004. Ideal for professional workshops and DIY mechanics, the harness ensures reliable communication between the HVAC control unit, actuators, blower motor, sensors and compressor clutch. Replacing a worn or damaged wiring harness restores proper control of temperature, flap motors and blower speeds, reducing intermittent faults and restoring full HVAC functionality.
Function And Benefits
The harness transmits power and digital signals to the climate control components: blower motor, mode/recirculation/temperature actuators, cabin temperature sensors and the compressor clutch circuit. A correct harness prevents electrical faults such as short circuits, intermittent actuator operation or loss of certain HVAC functions. Using a correctly configured BEHR harness improves diagnostic clarity and reduces time spent tracing wiring faults.
Technical Information
- Manufacturer: BEHR
- Model: Peugeot 307 (up to 2004)
- Product Codes: D5384, 6445ZV
- Other Numbers: Stellantis / CITROEN / PEUGEOT identifiers; NFP (as marked)
Suitable Models
Designed For Peugeot 307 models produced up to 2004. Compatible With Specific Stellantis/Citroën/Peugeot HVAC Configurations That Use The Same Digital Climate Control Connector Layout.
Installation Recommendations
- Disconnect The Vehicle Battery Before Starting Work To Avoid Short Circuits And Unwanted Airbag Or ECU Signals.
- Access The Harness By Removing The Glovebox Or Lower Dashboard Panels As Required For Your Vehicle Variant.
- Unplug Connectors By Releasing Their Retaining Clips—Do Not Pull On Wires. Inspect Connector Pins For Corrosion Or Damage.
- Route The New Harness Along Original Fixing Points. Secure With Clips Or Cable Ties To Prevent Chafing On Metal Edges Or Moving Parts.
- Before Final Reassembly, Reconnect The Battery And Perform A Full HVAC Function Test: Blower Levels, Mode Flaps, Recirculation, Temperature Control And Compressor Engagement.
- If The Job Involves Refrigerant Lines Or Compressor Replacement, Have Refrigerant Work Performed By A Qualified Technician With Proper Certification.
Typical Failure Modes And Why The Part Fails
- Connector Corrosion From Moisture Ingress Leading To Poor Contacts And Intermittent Signals.
- Mechanical Damage And Chafing Where The Harness Rubs Against Bodywork Or Sharp Edges.
- Heat Degradation Near Engine Bay Penetrations Or Close To Heated Components, Causing Insulation Breakdown.
- Rodent Damage Or External Cuts To The Wiring Loom.
- Fatigue At Flex Points Causing Broken Wires Or Frayed Conductors, Especially Around Moving Actuators.
There Is No Fixed Service Interval For The Harness; Failures Are Usually Caused By External Damage Or Environmental Factors. Inspect Wiring During Any HVAC Or Electrical Fault Diagnosis To Catch Early Signs Of Wear.
Keywords: Peugeot 307 air conditioning harness, BEHR A/C wiring loom, AC wiring harness Peugeot 307, D5384, 6445ZV.
