2 Pack 48V 40A Car Relay Harness With 4 Pin SPST, 12AWG Harness Sockets, Automotive Switches And Starters, For Cars, Trucks, Vans, Motorcycles And Boats, Heavy Duty Electrical Relay Harness

Two-Pack 48VDC 40A Relay Harness with 4-Pin SPST Socket
✔️ 48VDC rated, 40A max, SPST, 4 pins, 12 AWG harness, 18 AWG coil

This 2-pack relay harness is a heavy-duty electrical kit designed for automotive and marine use, offering reliable 48VDC switching for taillights, fans, headlights, and other high-current circuits in cars, trucks, vans, motorcycles, and boats.

✅ 48VDC rated, 40A max current
✅ SPST, 4-pin configuration for simple on/off control
✅ Ag alloy contacts with copper coil for reliable switching
✅ 12 AWG high-current harness wire, 18 AWG coil leads for safety
✅ Insulation resistance ≤ 100 MΩ; flame-retardant housing for durability

💡 What is a reliable 48V DC relay harness used for in automotive electrical systems?

This handy device helps you safely switch high-current loads in vehicles, boats, and other mobile equipment.

• Power taillights, cooling fans, headlights, and other high-current circuits
• Keep wiring tidy with interlocking socket base and neat installation
• Designed for 48VDC operation and up to 40A continuous current
• Includes 12 AWG harness and 18 AWG coil leads for safe connections