Oxford Ceramic Resistors - 18 Watt/10ohm

The Oxford 18 Watt/10ohm Ceramic Resistors is an indicator flash rate stabiliser. It stabilises LE...

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Product Information

Full details

This guide is for motorcycle riders experiencing fast or erratic LED indicator flash rates after converting their existing bulb indicators. The Oxford 18 Watt/10ohm Ceramic Resistors provide a simple and effective solution to stabilize LED indicator flash rates, ensuring consistent signaling. A minor caveat is that this model is specifically designed for 18W applications and may not be suitable for lower wattage systems.

All features

Model Part NumberEL320
BrandOxford

Extended Product Information

FAQs

Do I need one resistor per indicator or per bike?

You need one resistor for each individual indicator bulb that is flashing too fast. So, if you have front and rear indicators on both sides, you may need up to four resistors in total.

Can I use this resistor with standard incandescent bulbs?

These resistors are specifically designed to stabilize LED indicator flash rates. While they might work with very low-wattage incandescent bulbs, their primary purpose is for LED conversions.

What happens if I use a different wattage resistor?

Using a resistor with a wattage rating significantly higher than required might not correct the flash rate, while a rating too low could cause the resistor to overheat and fail.

How do I know if my bike needs these resistors?

If you have converted your motorcycle's indicator bulbs to LEDs and they now flash much faster than they did with the original bulbs, you likely need resistors or a compatible flasher relay.

Are these resistors waterproof?

The ceramic body offers some protection, but the bullet connectors should be protected from direct exposure to water and moisture to prevent corrosion.

What is the 10ohm value on this resistor?

The 10ohm refers to the electrical resistance value. Combined with the 18 Watt rating, it determines how much current the resistor will safely handle and dissipate as heat, helping to balance the indicator circuit.

Troubleshooting

Indicators still flash too fast after installation.

Verify the resistor is connected in parallel with the LED indicator. Ensure the correct wattage (18W) resistor is used for your application. Check all connections are secure and making good contact. If the bike has multiple indicator circuits, ensure a resistor is fitted to each.

Indicators do not light up or are very dim.

The resistor may be incorrectly wired in series, or the polarity of the LED indicator may be reversed. Double-check wiring and ensure the resistor is in parallel and the LED is correctly oriented.

Resistor becomes excessively hot.

This could indicate an incorrect wattage resistor is being used for the application, or a short circuit in the indicator wiring. Ensure the 18 Watt/10ohm model is appropriate for your setup. Inspect wiring for damage.

Pros and Cons

Pros

  • Ensures consistent and legal indicator flash rates.
  • Easy and quick to install with no specialized tools required.
  • Reliable performance with LED and low-power bulb indicators.
  • Durable construction for long-term use.

Cons

  • Specific 18-watt rating means it's not a universal fit for all wattage requirements.
  • Requires basic electrical understanding for proper connection.
  • Sold individually; two may be needed per indicator set (front/rear).

Setup, Compatibility & Care

Setup:

  1. Identify Wiring: Locate the indicator wiring harness for each indicator you are converting. Typically, this involves a positive and negative wire.
  2. Disconnect Battery: For safety, always disconnect the motorcycle's battery before performing any electrical work.
  3. Connect Resistor: Connect one Oxford Ceramic Resistor in *parallel* with each LED indicator. This means connecting one end of the resistor to the positive wire of the indicator and the other end to the negative wire. Ensure secure connections, ideally using the provided bullet connectors or soldering for a permanent solution.
  4. Secure Placement: Mount the resistor securely away from moving parts and hot engine components. It will generate some heat during operation.
  5. Reconnect Battery: Reconnect the battery and test the indicators.

Compatibility:

  • Wattage: This is the 18 Watt model. Ensure your application requires approximately 18 watts of resistance to prevent over-loading or under-loading the circuit.
  • Indicator Type: Primarily designed for LED indicators but compatible with other low-power bulb indicators.
  • Vehicle Type: Suitable for most 12V motorcycles, scooters, and ATVs.

Care:

  • These resistors are maintenance-free. Ensure they remain securely connected and free from physical damage.
  • Periodically check connections for corrosion, especially in wet conditions.

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