Back-Up Light Kit
Why a Trailer Back-Up Light Kit Matters
Backing a trailer — whether it's a boat trailer down a dark ramp, a camper into a tight campsite, or a utility trailer through a crowded yard — is one of the most challenging aspects of trailering. The rearmost point of your load is often the hardest to see, especially after sunset or in poorly lit areas. A dedicated trailer back-up light kit solves this problem by projecting bright white light behind and below the rear of your trailer the moment you shift into reverse, illuminating exactly where you need it most.
Unlike the tow vehicle's own reverse lights — which aim rearward from the hitch vehicle and rarely reach the far end of a long trailer — a back-up light mounted directly on the trailer shines from the trailer itself. This gives the driver a clear, close-range view of obstacles, the edge of a boat ramp, dock pilings, or campsite curbs that would otherwise be hidden in shadow.
What's Included in a Back-Up Light Kit
A complete back-up light kit typically includes everything needed for a clean, code-compliant installation. A quality sealed back-up light meets DOT requirements in either horizontal or vertical mounting position, features a polycarbonate lens that is sonic-welded to the housing to form a single unit, and comes with the mounting grommet and plug needed to complete the installation. Many kits integrate directly into the trailer's existing wiring via the standard 7-pin or 5-pin connector, so the lights are triggered automatically by the backup circuit on the tow truck.
Key Features to Look For
- Waterproof/Submersible Rating: Boat trailers regularly go underwater during launching and retrieval, so a sonically sealed or epoxy-potted housing is essential.
- LED vs. Incandescent: LED back-up lights offer significantly longer service life, lower current draw, and faster response times compared to incandescent bulbs — important for protecting your tow vehicle's wiring.
- DOT Compliance: If back-up lights are added to a trailer, they must be DOT approved and in working order — especially in states with trailer inspections.
- Mounting Style: Kits are available in surface-mount, recessed/grommet-mount, and integrated tail-light configurations to suit different trailer styles.
- Lumen Output: The back-up function should provide enough lumens to accurately back, dock, or garage a trailer, while also serving as a visual warning to others that the trailer is moving in reverse.
Anderson Manufacturing Trailer Back-Up Light Kits
When it comes to trailer lighting for the RV and marine market, Anderson Manufacturing — operating through its Anderson Marine Division in partnership with Peterson Manufacturing — is a deeply established name. The Anderson Marine Division officially opened its doors in 1945 as a small company specializing in manufacturing safety lighting for the automotive aftermarket, and over the decades Peterson has become an industry leader, introducing innovations such as stainless steel housings, the Vibar® socket, and Piranha® LEDs. Anderson Marine Division was also one of the first 40 manufacturers in the entire United States to obtain ISO 9001/QS-9000 registration — a testament to their commitment to quality processes. Their back-up light kits are designed to fit standard trailer cutouts and include all hardware needed for a straightforward installation.