Black wire connects directly to ground on the outboard. Emergency kill switch with lanyard for all outboard motors. Designed for safety, this device helps stop the engine if the operator falls overboard. The lanyard attaches to your wrist or clothing and automatically cuts the engine when pulled. Features an open circuit that closes when activated by pulling the lanyard or pressing the red button. Ideal for older outboard models that lack built-in emergency shut-off protection. If there is no spark in the ignition system, the existing kill switch may be faulty or stuck in the off position and require replacement. Constructed from durable ABS material. Color: Black and red. Package includes: 1 x Emergency Kill Switch, 1 x Kill Switch Safety Tether. Other items not included. Note: Lighting and display settings may cause slight color variations. Measurement tolerance: +/- 1-3 cm.