Description
RLFK200 Spot Light Harness
The RLFK200 spot light harness delivers a complete 12V wiring solution for spot light and front fog light installation across a wide range of vehicles. Supplied as a full set with relay, switch, pipe, fuse, and holder included, the genuine Ring RLFK200 eliminates the need to source individual wiring components separately. At £21.49, this universal harness provides a safe, correctly rated 30-amp relay circuit that protects the vehicle’s standard electrical system from the high current demands of spot light operation.
What Is the RLFK200 Spot Light Harness?
How a Dedicated Spot Light Wiring Harness Works
A spot light harness isolates the high-current spot light circuit from the vehicle’s standard wiring loom, routing power directly from the battery through a relay to the spot light units. The relay handles the full 30-amp switching load whilst the vehicle’s existing high beam or front fog light circuit carries only the low-current trigger signal. Consequently, the spot lights activate in sync with the selected vehicle circuit — high beam or front fog light — without overloading any part of the original vehicle wiring.
Why a Dedicated Harness Is Essential for Spot Light Installation
Connecting spot lights directly to the vehicle’s standard lighting circuit without a relay harness routes the full spot light current through switches, connectors, and loom sections not rated for that load. Specifically, spot lights draw significantly more current than standard lighting circuits — sustained overcurrent causes switch contact burning, connector melting, blown fuses, and potential loom damage. Furthermore, the RLFK200 eliminates all of these risks by providing a purpose-built 30-amp relay circuit as a complete ready-to-fit set.
RLFK200 Spot Light Harness — Full Specifications
| Specification | Detail |
|---|---|
| Part Number | RLFK200 |
| Manufacturer | Ring |
| Voltage | 12V |
| Universal Fit | Yes |
| Quantity Unit | Set |
| Relay Function | High Beam, Front Fog Light |
| Relay Current Rating | 30A |
| Includes | Switch, pipe, fuse, holder |
| Condition | New |
| Price | £21.49 |
| EAN | 5011274320003 |
| Trade Number | RING RLFK200 |
RLFK200 Spot Light Harness — Compatibility
Universal Fitment — Broad Vehicle Coverage
The RLFK200 carries a universal fitment designation, covering a wide range of 12V vehicles including cars, vans, 4x4s, and light commercial vehicles where spot lights or front fog lights require a dedicated wiring circuit. Because the harness triggers from either the high beam or front fog light circuit, confirm which trigger function matches your specific installation requirement before beginning fitment.
RLFK200 Cross-Reference
| Reference Type | Number |
|---|---|
| Ring Part Number | RLFK200 |
| Ring Trade Number | RING RLFK200 |
| Voltage | 12V |
| Relay Rating | 30A |
| Trigger Function | High Beam / Front Fog Light |
RLFK200 Spot Light Harness — When and Why to Fit
Signs You Need a Dedicated Spot Light Wiring Harness
Watch for these indicators during spot light installation or fault diagnosis:
Blown fuses on spot light circuit — repeated fuse failure after connecting spot lights confirms the standard circuit is overloaded. Because the vehicle’s lighting circuit is not rated for sustained spot light current, a dedicated 30-amp relay harness is the correct solution — not a higher-rated fuse.
Spot lights not activating — new spot lights that fail to illuminate despite correct bulb and connection confirm an incomplete wiring circuit. The RLFK200 spot light harness provides all required connections in a single pre-wired set, eliminating wiring errors during installation.
Switch or connector overheating — warmth or discolouration at the spot light switch or loom connector confirms spot light current is flowing through components not rated for the load. The RLFK200’s 30-amp relay removes this current from the trigger circuit entirely, resolving the overheating fault at source.
Fix Spot Light Wiring Faults — Fit a Relay Harness First
Before tracing individual wiring faults, replacing switches, or upgrading fuse ratings in response to spot light electrical problems, always fit a dedicated relay harness as the first step. According to Ring Automotive product guidance, a relay-based spot light harness eliminates the root cause of the majority of spot light wiring faults by isolating high-current spot light load from the vehicle’s standard trigger circuit entirely.
Why Choose the RLFK200 Spot Light Harness?
Complete Set — Switch, Pipe, Fuse and Holder Included
The RLFK200 supplies everything required for a complete spot light wiring installation in a single set — relay, switch, pipe, fuse, and holder are all included. As a result, there is no need to source additional components before beginning installation, and the complete kit ensures all components are correctly matched to the 30-amp relay specification from the outset.
Dual Trigger Function — High Beam and Front Fog Light
Furthermore, the RLFK200 supports both high beam and front fog light trigger functions, giving the installer a choice of activation source depending on the spot light application and the vehicle’s existing lighting configuration. This dual function makes the RLFK200 suitable for a wider range of spot light installations than single-trigger harnesses — covering both driving light and fog light duty cycle requirements.
New Genuine Component — Ready to Fit Immediately
Additionally, the RLFK200 is a brand-new genuine Ring unit supplied in new condition. Consequently, all relay contacts, switch components, fuse holder, and wiring deliver full electrical performance from first fitment without concern about degraded contacts or cracked insulation from a previous service life.
Buy RLFK200 Spot Light Harness Online
Add to basket for same-day dispatch on orders placed before our daily cut-off. Fast UK and EU delivery available at checkout. Contact our parts team for bulk orders or compatibility queries before purchasing.
FAQs —
Does the RLFK200 include all components needed for installation? Yes — the RLFK200 is supplied as a complete set including relay, switch, pipe, fuse, and holder. No additional wiring components are required for a standard spot light installation.
What is the 30-amp relay rating for? The 30-amp relay handles the full switching current for the spot light circuit, protecting the vehicle’s standard high beam or fog light trigger wiring from spot light current load. Always confirm your spot light units draw within the 30-amp relay rating before installation.
Can I trigger the RLFK200 from both high beam and fog light on the same installation? The RLFK200 supports high beam and front fog light trigger functions. Confirm your preferred trigger source before installation and connect accordingly — the harness covers both options but typically connects to one trigger circuit per installation.
Complete the Spot Light Installation
- Spot Light Units — confirm bulb type and current draw fall within the 30-amp relay rating before connecting
- Spot Light Bulbs — fit new bulbs rated for the spot light housing specification at the time of installation
Price: £21.49 | Genuine Ring | 12V | 30A Relay | Universal | Complete Set | New | In Stock | Ships Today spotlight for trucks
