ALKO ATC (Automatic Trailer Control) indicator lights with this genuine AL‑KO ATC LED Indicator Light (P/N 1239109).

Replace worn or damaged ATC (Automatic Trailer Control) indicator lights with this genuine AL‑KO ATC LED Indicator Light (P/N 1239109). Designed specifically for AL‑KO ATC systems, it provides clear visual feedback on system status—flashing red during self-test, solid green when active—ensuring safe and compliant operation. Key Features OEM replacement part for AL‑KO ATC systems—compatible with models from Bailey, Lunar, Coachman, and Elddis. Equipped with a female push connector—common failure point addressed with this direct-fit replacement. Overall length: 47.5 cm, matching the original equipment for seamless fitment. Provides clear LED feedback: green when system is stable, red during test or fault—crucial for towing safety.