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Daihatsu Charade Daytime Running Light Relays

Daihatsu Charade Daytime running light relays

Starting at low prices, AutoBuffy stocks multiple daytime running light relays from top OE-quality brands for your Daihatsu Charade. The DRL relay is an electromechanical switch that controls power to your daytime running lights, keeping them on whenever the engine runs. When it fails, your DRLs go dark, which can trigger warning lights and reduce your visibility to other drivers.

Signs your Daihatsu Charade needs a new daytime running light relay

  • Daytime running lights are completely off while the engine is running and headlights are not manually switched on
  • DRL warning light or CHECK DRL message illuminates on the instrument cluster
  • DRLs flicker or cut out intermittently at idle or while driving
  • Only one side's DRL works while the other stays dark, even after bulb replacement
  • DRLs stay on continuously even after the engine is shut off and the key is removed
  • Fuse for the DRL circuit blows repeatedly, pointing to a shorted or stuck relay coil

Which daytime running light relay should you buy for your Daihatsu Charade?

The main decision is whether to match the OE relay exactly or upgrade to a heavy-duty unit. Pay close attention to the relay's pin count, coil voltage rating, and amperage rating — an incorrect spec can cause premature failure or damage the DRL module. Always cross-reference the part number printed on your old relay before ordering.

OE-Equivalent Relay
Best for
Owners who want a direct, no-hassle swap
What you get
Matches original pin layout, coil resistance, and switching amperage; plug-and-play installation with no wiring changes
Heavy-Duty Relay
Best for
High-mileage vehicles or those in extreme heat or cold climates
What you get
Upgraded contact material and sealed housing resist corrosion and heat cycling better than standard relays
OEM Dealer Relay
Best for
Owners whose vehicle is under warranty or who require exact manufacturer specs
What you get
Guaranteed fitment and finish; typically the most expensive option with full OEM traceability
Multi-Pack / Value Relay
Best for
Fleet operators or DIYers who want a spare on hand
What you get
Lower per-unit cost; quality varies by brand, so stick to reputable names from top OE-quality brands

Replacing the daytime running light relay on a Daihatsu Charade

Easy⏱ 15–30 minutesRelay puller or needle-nose pliersMultimeterFlashlight or work lightOwner's manual or fuse box diagram

Locate the DRL relay using the fuse box diagram, then pull the old relay straight out with a relay puller or needle-nose pliers — no tools are needed to unplug it. Press the new relay firmly into the same socket until it seats fully, then start the engine to confirm the DRLs illuminate. The entire job typically takes under half an hour and requires no disassembly beyond opening the fuse box cover.

Frequently asked questions

How much does it cost to replace daytime running light relays on a Daihatsu Charade?
The relay itself starts at low prices at AutoBuffy. Total cost depends on whether you replace it yourself or use a shop. DIY replacement is straightforward and keeps costs near the part price. A shop may charge one to two additional labor hours on top of the part, depending on relay location and access.
Can I drive my Daihatsu Charade with a failed daytime running light relay?
Yes, a failed DRL relay does not disable your headlights or taillights, so the car remains operational. However, DRLs improve your visibility to oncoming traffic in daylight. In some regions, non-functional DRLs on vehicles equipped from the factory can result in a failed safety inspection or a fix-it ticket.
Where is the daytime running light relay located on a Daihatsu Charade?
On most vehicles the DRL relay sits inside the underhood fuse and relay box, though some models place a secondary relay block under the dashboard or near the firewall. Check your owner's manual fuse diagram or the label printed on the underside of the fuse box cover to find the exact relay position for your Daihatsu Charade.
Will a bad DRL relay cause my Daihatsu Charade to fail an inspection?
It depends on your state or province. Many jurisdictions inspect lighting systems, and non-functioning factory-installed DRLs can result in a failed inspection or a required repair notice. Replacing the relay is a low-cost fix that keeps your Daihatsu Charade compliant and avoids having to return for a re-inspection.
How do I test a daytime running light relay before replacing it on my Daihatsu Charade?
Remove the relay and use a multimeter or a simple 12V test circuit to check coil continuity across the control terminals and contact switching across the load terminals. A relay with an open coil or stuck contacts should be replaced. Swapping it temporarily with an identical relay from another circuit in the fuse box is a quick in-field test.
How long does a daytime running light relay last on a Daihatsu Charade?
DRL relays are rated for tens of thousands of switching cycles, so they typically last many years under normal use. Premature failure is usually caused by voltage spikes, moisture intrusion into the fuse box, or a high-resistance short in the DRL circuit that overloads the relay contacts. Inspecting the fuse box for corrosion when replacing the relay extends its service life.

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