Dorman 904-194 Diesel Glow Plug Relay

Reliable Diesel Glow Plug Relay for Ford Trucks

The Dorman 904-194 Diesel Glow Plug Relay is designed to provide consistent performance for diesel engines in select Ford models. Engineered with durable plastic housing and blade terminals, this relay ensures reliable operation in demanding conditions.

Key Features of the Dorman 904-194 Glow Plug Relay

• Compact dimensions: 2.8 inches length and width, 2.4 inches height
• Blade terminal type with 4 terminals (male and female)
• Amperage rating of 100 amps for robust electrical handling
• Bolt mounting type for secure installation
• Plastic cover material for protection against environmental factors
• Includes one glow plug relay unit

Detailed Description and Specifications

The Dorman 904-194 glow plug relay is specifically designed for diesel-powered Ford vehicles including the E-350 Club Wagon, Excursion, F-250, F-250 HD, F-250 Super Duty, F-350, and F-350 Super Duty models. Its compact size (2.8" x 2.8" x 2.4") allows for easy integration into the engine compartment. The relay features four blade terminals with both male and female connectors, facilitating straightforward wiring connections. Rated at 100 amps, it supports the high current demands of diesel glow plugs during cold starts. The relay mounts securely using bolts, though a mounting bracket is not included. The plastic cover protects internal components from dust and moisture, though it does not include heatsink protection.

Common Applications and Issues Addressed

• Ensures proper operation of diesel glow plugs during engine start-up
• Prevents glow plug relay failure that can cause hard starting or no start conditions
• Replaces faulty or worn-out relays in Ford diesel trucks
• Helps maintain consistent engine temperature for efficient combustion
• Addresses electrical relay issues that may lead to glow plug circuit malfunctions

Installation Notes and Tips

• Verify compatibility with your Ford model before installation
• Disconnect the battery before replacing the relay to avoid electrical shorts
• Use appropriate tools to remove and install the bolt-mounted relay securely
• Check terminal connections for corrosion or damage and clean if necessary
• Ensure proper orientation of male and female blade terminals during installation

Quality Assurance and Warranty Information

Dorman manufactures the 904-194 glow plug relay to meet or exceed OEM specifications for durability and performance. While specific warranty details may vary, Dorman products typically come with a limited warranty covering defects in materials and workmanship. This relay is engineered to provide reliable service life in demanding diesel engine environments.