3 Piece 12V Fuse Relay Harness Set With Built In 30A Blade Fuse, 4 Pin SPST Automotive Relays, Heavy Duty 14 AWG Wiring Kit For Trucks Boats Vans Motorcycles Cars And Other No Fuss DIY Auto Projects
✔️ Integrated 30A fuse, 14 AWG wiring, 4-pin SPST relays kit
This 3-piece 12V fuse relay harness set combines built-in 30A blade fuses with rugged 14 AWG wiring for quick, tidy installations. Ideal for trucks, boats, vans, motorcycles, cars and other DIY auto projects.
✅ Built-in 30A blade fuse and heavy-duty 14 AWG wiring for main contact
✅ 12V DC operation (up to 14V) and 30A current rating for reliable switching
✅ 4-pin SPST design with interlocking male/female slots for neat multi-relay layouts
✅ Color-coded wires: red (+), black (ground), white (control), blue (output NO)
✅ Rugged housing with mounting bracket for automotive and marine use
✅ Wide automotive applications: power control, overload protection, door locks, lights, fans, starter, security systems
💡 What is a fuse relay harness used for in automotive electrical projects?
A handy kit to safely power and protect accessories in vehicles.
- Powers lights, fans, or starters with built-in protection
- Simplifies wiring with color-coded leads and a 4-pin SPST relay
- Interlocking edge design helps keep multiple relays organized
- Suitable for 12V systems up to 30A in cars, trucks, boats
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