Protects light-duty OEM wiring and switches (horn button) from damage when adding accessories that draw high amounts of current. Strongly recommended for use with all dual electrical horn systems. Also works well with driving lights; waterproof and vibration-proof.

• Protects light-duty OEM wiring and switches (horn button) from damage when adding accessories that draw high amounts of current
• Strongly recommended for use with all dual electrical horn systems
• Also works well with driving lights; waterproof and vibration-proof