Description
Glow Plug Relay Cartier Citroën Peugeot. Supplied With A Piece Of Wiring To Each Pin.
This glow plug relay is a direct-fit style unit designed for many Citroën and Peugeot diesel engines. Supplied with a short wiring harness to reach each pin, it replaces the relay responsible for switching high current to the glow plugs during cold starts. Ideal for professional garages and DIY mechanics, the part is frequently searched by its product numbers and fitment references 9640469680 and 598140.
Key Benefits
- Direct replacement for original-style relay assemblies used on selected Citroën and Peugeot models.
- Comes With Wiring To Each Pin For Easier Installation And Reliable Contact.
- Robust Design To Handle Repeated Cold Starts And High Inrush Currents To Glow Plugs.
Compatibility
Commonly fitted To The Following Models: Citroën C2, Citroën C3, Citroën C3 II, Citroën C3 Pluriel, Citroën C5, Citroën C5 X7, DS3. The relay is used on various Stellantis diesel platforms where the listed part numbers apply.
How Replacement Is Usually Performed
Replacing the glow plug relay is a straightforward job for a workshop or competent DIYer with basic electrical skills:
- Disconnect The Negative Battery Terminal To Prevent Short Circuits.
- Locate The Relay In The Engine Bay Relay/Fuse Box Or A Dedicated Mounting Near The Battery Or ECU (Refer To Vehicle Repair Manual For Exact Location).
- Remove Any Covering Panels, Unplug The Electrical Connectors And Unfasten The Relay Mounting Screws Or Clips.
- Fit The New Relay With Its Supplied Wiring Harness, Ensuring Each Pin Is Properly Seated And Secured.
- Reconnect The Battery And Perform A Cold-Start Check To Confirm Proper Operation (Glow-Plug Indicator Behavior, Cranking Time And Idle Stability).
Technical Information
- Manufacturer: Cartier (for Citroën/Peugeot – Stellantis)
- Model: Fits Various Citroën And Peugeot Diesel Models (See Compatibility Section)
- Product Codes: 9640469680, 598140
- Other Numbers: 598140 | 9640469680
Installation Recommendations
- Ensure Battery Is Isolated Before Work To Avoid Short Circuits.
- Clean Connector Contacts And Check Wiring For Heat Damage Or Corrosion Before Installing The New Relay.
- Use Correct Torque For Mounting Fasteners And Route The Supplied Wiring Harness Clear Of Hot Or Moving Parts.
- After Installation, Verify Glow-Plug Circuit Function By Observing The Dashboard Indicator And By Measuring Voltage At The Glow-Plug Terminals If Necessary.
Most Common Failure Causes
- High Current Loads And Repeated Heating/Cooling Cycles Causing Contact Pitting Or Welding Inside The Relay.
- Corrosion Or Water Ingress At Connectors Leading To Intermittent Operation.
- Damaged Or Overheated Wiring From Poor Connections Or Past Overcurrent Events.
- Frequent Cold Starts And Short Trips Increasing Duty Cycle Of The Glow-Plug System, Accelerating Wear.
Typical Symptoms Of A Faulty Relay Include Long Cranking Times On Cold Starts, Glow-Plug Warning Light Remaining Active Or Illumination Patterns Indicating A Fault, And Reduced Cold-Start Performance. Because this relay handles high current, replacing it with a correct, well-seated unit and ensuring good connector condition is essential for reliable diesel cold starts.
Part Numbers Are Common Search Terms: 9640469680, 598140.
