The complete BASE Rack lighting solution rather than a single light. It pairs the 36" Slimline light bar with three compact auxiliary lights, wired on two independent circuits with two looms and two switches so the driving bar and the auxiliary lights are controlled separately. That separation is the point: you can run area lighting around camp or a worksite without the main bar on, and vice versa.
The auxiliary lights measure 2.8" x 2.21", which is small enough to tuck along the edge of the rack where they are unlikely to be caught on tight tracks or in close parking. Each produces 20 watts spread over a wider area than a typical auxiliary light, making them a true area light rather than a focused beam. ARB notes the reduction in hot spots gives clearer images through a reverse camera at night. Each aux light comes with a bracket that mounts to any part of the BASE Rack dovetail system.
What's Included:
- ARB Slimline roof rack LED light bar, 36"
- Three BASE Rack auxiliary lights, 20 W each
- Two wiring looms and a wiring loom extension
- Two switches
- Mounting brackets and hardware
- ARB fitting instructions
Features
Two Independent Circuits
Two looms and two switches, so the light bar and the three auxiliary lights are controlled separately. Camp lighting without the main beam, or the reverse.
Bar Plus Three Auxiliary Lights
A complete lighting setup in one part number rather than a single light and a list of things still to buy.
20 W True Area Lights
Each auxiliary light puts 20 W over a wider spread than a standard auxiliary light, which makes it an area light rather than a focused beam.
Fewer Hot Spots, Better Reverse Camera
ARB points out that the reduced hot spots give clearer reverse camera images at night, and cleaner non glaring light around a camp or worksite.
Compact Aux Lights At 2.8" x 2.21"
Small enough to mount along the rack edge without being caught on tight tracks or in close parking, and stealthy when switched off.
Aux Brackets Mount Anywhere
Each auxiliary light includes a bracket that fits any part of the BASE Rack dovetail system, so lighting can be aimed where the work is.
Fitment & Compatibility
| Application |
Fit |
| ARB BASE Rack platform |
✓ Fits, using the rack mounting system and dovetail |
| ARB trade and touring racks |
● Light bar mounts fit; aux light brackets are BASE Rack dovetail specific |
| ARB BASE Rack with a front section guard rail |
● Light bar requires the 1780515 bracket pair |
| Vehicle with no ARB rack fitted |
● Cannot be installed |
| Factory crossbars |
✗ Does not fit |
Fit guidance: The auxiliary light brackets mount to the BASE Rack dovetail system specifically. The light bar mounts suit the BASE Rack as well as ARB trade and touring racks.
Specifications
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Model: ARB BASE Rack Lighting Kit
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Part Number: 1780500K2
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Kit Contents: 1x Slimline roof rack light bar (1780500), 3x BASE Rack auxiliary light, 2x wiring loom, 1x wiring loom extension, 1x additional wiring loom, 2x switch
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Circuits: Two independent
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Light Bar Width: 36"
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Auxiliary Light Output: 20 W each
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Auxiliary Light Size: 2.8" x 2.21"
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Body: Extruded aluminum with black powder coat
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Lens: Polycarbonate
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Mounting: ARB BASE Rack dovetail system, multi-position
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Shipping Weight: 16 lb
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Warranty: 3 years
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UPC: 9332018095640
Installation
Type: Mounts to an ARB BASE Rack; two wiring circuits supplied · Time: 3-4 hours including both circuits · Tools: Hex keys, metric sockets, crimper, basic 12 V wiring competence · Difficulty: Moderate
Plan the two circuits before you start: the bar on one, the three auxiliary lights on the other. Route cable through the removable BASE Rack corner caps so both looms run inside the beams. Mount and aim the aux lights before final cable tying.
Warranty, Shipping & Returns
Warranty. ARB covers this product with a 3-year, unlimited mileage warranty through ARB North America (Air Locker Inc., Auburn, WA). ARB's own schedule puts wear items such as bushes, bearings, shackles, pins and U-bolts on a shorter 1-year term. We describe ARB's warranty exactly as ARB publishes it rather than restating or extending it, and it is honored through any ARB-authorized dealer in the US.
Free shipping. This item ships free to the lower 48 states and typically arrives in 3 to 7 business days.
Inspect on delivery. Please inspect your order on arrival. If anything is damaged or missing, contact us right away and we will make it right.
About ARB
ARB started in 1975 when Tony Brown came home from a Cape York trip convinced that the four wheel drives crossing Australia deserved better equipment than anything then on sale. He began hand building roof racks and bull bars in his Melbourne driveway, and the initials of Anthony Ronald Brown ended up on what is now the largest 4x4 accessory manufacturer and distributor in the southern hemisphere. The engineering campus at Kilsyth in Victoria still designs and tests the load carrying, air and recovery equipment the brand is known for, and ARB now runs offices in the USA, Europe and the Middle East with an export network reaching more than 100 countries.
In North America ARB trades as Air Locker Inc. from Auburn, Washington, and backs its products with a published US and Canada warranty program. Prestige Truck is an authorized ARB dealer. Every rack, rail and bracket we ship is genuine US market stock covered by ARB North America's warranty and supported by ARB's own fitting instructions.
