Renault Clio Fog Lights: Specs, Fitment & Common Faults

A genuinely bizarre, real case: a specialist found Renault's own factory wiring diagram was actually wrong — the socket labelled "front" was needed to make the rear fogs work.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Renault Clio fog lights part number at the time of writing. Please confirm the correct part via a Renault dealer or parts specialist using your VIN.

A Genuinely Bizarre, Real Case Worth Knowing: Don't Trust the Labelling — Renault Clio Fog Lights

If you're chasing a fog light relay fault and following the Haynes manual or a wiring diagram, this is genuinely worth knowing about: one documented case found the relay socket clearly labelled for the front fog lights actually had a factory-fitted metal bridge in place instead of a relay socket at all, while a relay had to be fitted into the socket labelled for the rear fog lights to make the rear fogs actually work — despite the car having no front fog lights fitted at all. The conclusion from the specialist who eventually solved it was blunt: don't always rely on the labelling in the car or even the manual, since factory wiring doesn't always match the diagram exactly.

A genuinely important fact worth knowing on certain model years: on some Clios (broadly 2001-2005), there's no dedicated, separate fog light relay in the conventional sense at all — the relay function is built into a sealed "black box" module located behind the fuse box, itself behind the glovebox, rather than being a swappable relay you'd find in the underbonnet fuse box with the other relays. If you're hunting for a physical relay and can't find one where you'd expect, this may explain why on an older Clio specifically.

A genuinely useful diagnostic clue worth knowing: if you switch on the fog lights and hear absolutely no relay click at all, alongside no dashboard warning symbol illuminating, this points toward the circuit not even being triggered — worth checking the switch and its wiring first. If you do hear the relay click and see the dashboard symbol, but the bulb still doesn't light, this points further downstream toward the bulb, its connector, or the wiring between the relay and the light itself.

Rarely Used, Easy to Forget About Until Needed

Fog lights sit unused for most owners most of the year, which means a fault can go unnoticed for a long time — right up until a genuinely foggy morning makes the problem obvious at the worst possible moment.

Before you buy: fog light fitment and bulb type vary by trim — not every trim level includes them as standard. Always confirm against your VIN before ordering.

What It Does

Front fog lights are angled and positioned to illuminate the road surface in low visibility conditions without creating the glare a standard headlight beam would in fog. Some higher trims of the Clio integrate fog lights into the same housing as cornering lights or daytime running lights, which affects both the part number and the complexity of any repair.

Fitment & Compatibility

Not every trim level of the Clio comes with fog lights fitted as standard, and the housing design often differs between trims that have them integrated with other lighting functions and those with a standalone unit. Always confirm your specific trim's fitment before ordering. Whether you're sourcing a replacement fog lights for your Renault Clio from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.

Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fog Lights Guide for common faults to check for (including exactly what fails an MOT), how easy this job is to DIY, and aftermarket advice.

More Renault Fog Lights

The same part, covered across other Renault models.

Renault Clio Fog Lights: Specs, Fitment & Common Faults

OEM Part Numbers

A Genuinely Bizarre, Real Case Worth Knowing: Don't Trust the Labelling — Renault Clio Fog Lights

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