Description
Supply cable to the Start-Stop capacitor for e-HDi engines.
This high-quality supply cable is designed for the Start-Stop capacitor used on e-HDi micro-hybrid powertrains. It provides a reliable electrical connection between the capacitor and the vehicle electrical system, ensuring correct energy buffering for frequent engine stop-and-start events. Ideal for professional garages and experienced DIY mechanics, this part helps restore proper Start-Stop function on compatible Citroën and Peugeot models. The product is commonly searched for by its part number 9673518380.
Key Benefits
Durable Construction: Designed to withstand engine-bay temperatures and vibration. Reliable Electrical Contact: Proper connector and insulation reduce voltage loss during Start-Stop cycles. Direct Fit: Manufactured to match OE routing and connector types on specified Citroën/Peugeot applications, simplifying replacement.
Applications And Compatibility
Fits vehicles equipped with e-HDi engines and Start-Stop systems. Typical compatible models include:
- Citroën C4
- Citroën C4 II
- Citroën C4 Picasso
- Citroën C4 Picasso II
- Peugeot 3008 I
- Peugeot 308
- Peugeot 308 T9
- Peugeot 5008 I
Technical Information
Manufacturer: Stellantis (Citroën / Peugeot)
Model: Citroën C4; Citroën C4 II; Citroën C4 Picasso; Citroën C4 Picasso II; Peugeot 3008 I; Peugeot 308; Peugeot 308 T9; Peugeot 5008 I
Product Codes: 9673518380
Other Numbers: Not Available
Installation Recommendations
Follow these steps to replace the cable safely and correctly:
- Disconnect The Battery: Always isolate the negative battery terminal before starting work to avoid short circuits.
- Locate The Start-Stop Capacitor And Routing: The capacitor and its wiring are typically found in the engine bay near the battery or the Start-Stop module—trace the existing harness to identify mounting points.
- Inspect Connectors And Mounts: Check connector pins and mounting clips for corrosion or damage; replace any compromised clips to ensure secure routing.
- Remove Old Cable: Unplug connector(s) and release any retained clips or ties. Avoid excessive pulling on adjacent wiring.
- Fit New Cable: Route The New Cable Following The Original Path, Secure With Clips/Ties, And Connect Firmly. Ensure Correct Engagement Of Locking Tabs.
- Final Checks: Reconnect The Battery, Clear Any Fault Codes If Present, And Perform A Start-Stop System Check During An Idle/Drive Cycle To Confirm Operation.
Why This Part Most Often Fails
Cable failures are usually caused by environmental and mechanical stresses rather than a scheduled wear interval. Common causes include:
- Corrosion At Connectors: Moisture ingress and salt exposure cause poor contact and increased resistance.
- Heat And Vibration: Repeated thermal cycling and engine vibration can degrade insulation or break conductor strands.
- Mechanical Damage: Incorrect routing, pinching during previous repairs, or rodent damage can sever or abrade the cable.
- Poor Crimping Or Connector Wear: Loose or oxidized terminals reduce conductivity and can lead to intermittent Start-Stop faults.
For reliable repairs, replace damaged cables with the correct OE-referenced part number (9673518380) and inspect associated connectors and mounting points while the vehicle is accessible. Buying the right replacement cable reduces diagnostic time and restores proper Start-Stop performance.
Order this Start-Stop capacitor supply cable now to ensure dependable Start-Stop system operation on compatible Citroën and Peugeot e-HDi vehicles.







