Couplemate Express Trailer Parts

LED Number Plate Light

SKU: LIGHT-LED-LICENSE Category: Brand:

Price

$12.50 Inc.GST

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LED Number Plate Light – Multi-Voltage 10v – 30v

This LED number plate light features four bright LEDs to adequately illuminate your rear caravan or trailer number plate, even underwater.

In 2025, number plate lights serve critical legal, safety, and aesthetic functions. Modern LED versions offer significant advantages over traditional halogen bulbs.

  • LED Technology: Modern units use high-intensity SMD LEDs (typically 3 to 6 per unit), providing crisp, uniform 6000K “Cool White” light.
  • Environmental Protection: High-quality lights are rated IP67 or IP68, making them fully dustproof and waterproof (in some cases, even submersible).
  • Voltage Versatility: Most modern aftermarket lights feature “multi-volt” capability (10–30V), allowing them to work on anything from motorcycles and cars to heavy trucks and trailers.
  • Compact, Durable Housing: Made from heavy-duty polycarbonate or ABS, they are designed to resist impacts and vibration for off-road or industrial use.
  • Advanced Electronics: High-end 2025 models include CAN bus error-free technology and anti-flicker resistors to prevent dashboard error codes in modern computer-controlled vehicles.

Specifications

  • 10v – 30v.
  • 4 Bright LEDs.
  • 75mm hole centres.
  • Waterproof to 1 meter. Suitable for boat trailers.
  • Dimensions 86mm x 20mm.

This type of LED Number plate light is more reliable than bulb lights. LEDs are wired in parallel. If one LED fails, the remaining LEDs stay lit.


Associated 12V Electrical Equipment

Quite often, installing new lights causes the tow vehicle to flicker.

Flickering is a serious issue, as the onboard computer will report it to your dashboard.

The onboard computer measures the angle, wattage, and voltage drop of the newly installed lamps. It is quite likely the new LEDs fall outside the computer specifications.

The best remedy, used by many tow bar installers, is to install a new ECU (electronic control unit) to control the LED light kit.

In 100% of cases, installing the ECU fixes problems with the vehiclevehicle’sring lights.

Couplemate Trailer Parts sells only the highest-quality LED Number Plate Lights and caravan spare parts throughout Australia.

Customers can either pre-schedule or take advantage of our low freight rates. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart.

We also ship products to New Zealand via Australia Post Air Express.

  • Can this light be used on both 12V and 24V vehicle systems?
  • Yes. The built-in multi-voltage circuitry automatically handles input voltages ranging from 10V up to 30V DC, making it perfectly suitable for standard cars, 4x4s, heavy trucks, caravans, and commercial trailers.
  • Is this LED number plate light fully ADR compliant?
  • Yes, this product is fully compliant with Australian Design Rules (ADR 48/00 regulations) for license plate illumination, ensuring it meets all strict road safety laws when mounted properly.
  • Will this cause a ‘Bulb Out’ error on my vehicle’s dashboard?
  • Because LEDs draw significantly less power than traditional halogen bulbs, some modern vehicles equipped with sensitive CANBUS systems may trigger a warning light. If this occurs, installing a simple plug-and-play load resistor or disabling PWM via OBD coding will quickly resolve it.
  • What are the legal wiring and mounting rules for number plate lights?
  • To comply with transport regulations, the light must safely illuminate the rear registration plate so it is clearly readable from 20 metres at night. The mounting plane should run parallel to the plate surface, and the light emitted must remain pure white.

Additional information

Weight 0.25 kg
Dimensions 10 × 10 × 10 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

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