SPORT-PARTS INC. Diode Wiring Harness Upgrade your electrical reliability with the SPORT-PARTS INC. Diode Wiring Harness , engineered for clean installs and dependable circuit protection. Designed to prevent backfeed and voltage spikes, this harness safeguards sensitive components while ensuring stable power flow in powersports, automotive, and custom wiring applications. Key Features Built-in diode protection to block reverse current and eliminate feedback loops. Plug-and-play design for fast, hassle-free installation with common connectors. Automotive-grade materials for durability in vibration, moisture, and temperature extremes. Clean signal isolation for LEDs, indicators, relays, and accessory circuits. Compact footprint for tight spaces and tidy wire management. Benefits Protects ECUs, switches, and lighting from damaging backfeed. Reduces diagnostic headaches and electrical noise. Improves reliability of dual-battery, trailer, or accessory add-ons. Ideal Uses LED turn signals, brake lights, and indicator circuits Relay trigger isolation and power distribution ATV/UTV, snowmobile, motorcycle, marine, and off-road builds Why SPORT-PARTS INC.? With a reputation for precision and performance, SPORT-PARTS INC. delivers wiring solutions trusted by enthusiasts and professionals. Expect quality, compatibility, and long-term peace of mind. Note: Verify voltage and polarity before installation. Professional installation recommended for complex systems.