Standard Ignition SS-591 Diesel Glow Plug Relay

Reliable Diesel Glow Plug Relay for GM Vehicles

The Standard Ignition SS-591 Diesel Glow Plug Relay is engineered to meet the specific needs of diesel-powered Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed for 12-volt systems, this relay ensures proper operation of the glow plugs, essential for cold starts and efficient engine performance.

• Amperage rating of 100 amps for robust electrical handling
• Includes mounting bracket for secure installation
• Two male round connectors for reliable electrical connections
• Four terminals (stud and blade type) with male gender for versatile wiring
• Compatible with multiple GM diesel models including C10, K20, Caprice, and more

Technical Details and Compatibility

The SS-591 relay operates at 12 volts and is designed specifically for diesel glow plug systems that require precise current control. It features two male round connectors and four male terminals combining stud and blade types, allowing for flexible and secure wiring configurations. The included mounting bracket simplifies installation and ensures the relay remains firmly in place under vehicle vibrations. This relay is not rated for continuous duty, aligning with typical glow plug relay operation cycles.

Compatible GM Diesel Models

This diesel glow plug relay is compatible with a wide range of General Motors diesel vehicles, including Buick models like the Century and LeSabre, Cadillac DeVille and Fleetwood, Chevrolet C10, C20, and C1500 series, GMC K10 and K20 Suburban, Oldsmobile Cutlass and Delta 88, and Pontiac Bonneville and Grand Prix. The SS-591 part number is a direct replacement for glow plug relay applications in these vehicles, ensuring proper fit and function.

Common Applications and Problem Resolution

• Ensures reliable glow plug activation for cold engine starts
• Prevents glow plug relay failure that can cause hard starting or no start conditions
• Resolves intermittent glow plug operation due to faulty relay contacts
• Eliminates electrical issues caused by worn or damaged relay terminals
• Maintains proper amperage flow to glow plugs for optimal engine performance

Installation Notes and Tips

Before installation, verify vehicle compatibility with the SS-591 part number. Disconnect the battery to prevent electrical shorts. Use the included mounting bracket to secure the relay in the factory location or a suitable mounting point. Ensure all male connectors and terminals are clean and free of corrosion for optimal electrical contact. Follow vehicle-specific wiring diagrams to connect the stud and blade terminals correctly. After installation, test glow plug operation to confirm proper relay function.

Quality Assurance and Warranty

Standard Ignition manufactures the SS-591 relay to meet OEM specifications for durability and performance. Each unit undergoes quality control testing to ensure reliable operation in demanding automotive environments. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.