Details

• Brand:

  

  

• SKU:

  F81Z-6G015-AA

• Description:

  This genuine Ford part F81Z-6G015-AA is the glow plug relay, also functioning as the intake air heater relay, used on 1999 through 2003 Ford trucks powered by the 7.3L Power Stroke turbo-diesel V8, including F-250 and F-350 Super Duty pickups, E-Series vans, and the Excursion. The relay is a high-current solenoid switch that, on command from the powertrain control module, sends battery voltage to the glow plugs to preheat the combustion chambers for cold starting and to warm intake air. When the relay fails, the glow plugs never energize or stay energized too long, producing symptoms such as hard cold starting, extended cranking, rough running and heavy white smoke on start-up in cold weather, or a repeatedly blown fuse. Because the relay carries very high current, its internal contacts can burn, stick, or corrode over time. Installing this genuine Ford relay restores correct glow plug operation and reliable cold starting. During service, confirm the wait-to-start lamp cycles correctly, inspect the glow plug harness and the valve-cover connectors that are a common trouble spot on this engine, and verify battery condition, since weak batteries strain the relay. Mount the relay securely and torque the electrical terminals to Ford specification to prevent resistance and heat buildup. This genuine Ford glow plug relay is built to the original equipment current rating and terminal configuration for correct fit and function on the 7.3L Power Stroke.

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