Wells 1R3399 Multi-Purpose Automotive Relay

The Wells 1R3399 is a multi-purpose automotive relay designed to control electrical circuits for high-amperage components in vehicles. This relay serves as a critical switching component in automotive electrical systems, providing reliable operation for essential vehicle functions.

Key Applications:

• Headlight circuits
• Fuel pump control
• Cooling fan systems
• High-load electrical accessories
• Engine control modules

Features and Benefits:

• Manufactured to meet or exceed OEM specifications for performance and durability
• Direct replacement for worn or malfunctioning relays
• Designed for precise and reliable operation of vehicle electrical systems
• Quality construction ensures long-lasting functionality
• Engineered to handle high amperage loads safely

Wells Vehicle Electronics has over 120 years of experience manufacturing automotive electrical components for OEMs, repair professionals, and DIY enthusiasts. A malfunctioning relay can cause components to fail or operate intermittently, potentially leading to no-start conditions or impaired vehicle operation. The Wells 1R3399 provides dependable replacement quality to restore proper electrical system function.