JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

The JD1912 Car Relay Harness is a reliable 12V 40A 4-pin SPST relay solution designed for a wide range of automotive applications, including trucks, vans, motorcycles, and boats. Rated at 40 amps, it delivers stable and consistent power for demanding electrical systems. The built-in diode provides essential protection against voltage spikes, helping to extend the relay's lifespan and safeguard connected components. Heavy-duty 12AWG wiring ensures dependable power delivery even under high-current loads. The pre-wired harness with socket simplifies installation, reducing the chance of wiring errors and saving valuable time. The universal 4-pin SPST design makes it compatible with most standard automotive setups. Measuring 1.3 inches wide and 2.1 inches tall with 7.47-inch wire leads, this compact relay fits easily into tight spaces. Whether you're upgrading your vehicle's electrical system or replacing a faulty relay, this harness socket offers a straightforward, plug-and-play solution built to handle the rigors of everyday automotive use.

• BUILT-IN DIODE PROTECTION: The integrated diode safeguards against voltage spikes, helping to extend the relay's operational lifespan in demanding automotive environments.
• HEAVY-DUTY 12AWG WIRING: Thick 12AWG wires ensure reliable, high-current power delivery, making this harness suitable for a wide range of vehicle electrical applications.
• UNIVERSAL 4-PIN SPST DESIGN: The standard 4-pin single-pole single-throw configuration is compatible with most automotive, truck, van, motorcycle, and boat electrical systems.
• PRE-WIRED HARNESS WITH SOCKET: The ready-to-use harness and socket assembly simplifies installation, minimizing wiring errors and saving time during setup.
• SPECIFICATIONS: Rated at 12V and 40A for stable performance; relay body measures 1.06 in. wide x 1.02 in. tall, with 7.47 in. wire leads and an overall width of 1.3 in.