A very common problem on the 7.3L Powerstroke is that the main connector at the valve cover can melt or become damaged. This connector handles the current for both the glow plugs and injectors (both of which are under the valve covers.)

When replacing the external connectors, it is also advisable to inspect the terminals in the 7.3 valve cover gaskets themselves. If there is any sign of damage, it is advisable to replace the gasket, and potentially the internal harnesses to prevent a repeat failure. This is good cheap insurance for your Ford Powerstroke. You might even think of replacing the glow plugs while you have the valve covers removed (on rare occasions we have seen a shorted glow plug precipitate the failure.)

Watch us install a valve cover gasket & internal wiring harness on a Ford Powerstroke 7.3L.

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Chapters
0:00 Valve Cover Gasket & Internal Wiring Harness
1:00 Features
1:59 Gasket Removal
6:40 Valve Cover Problem Diagnosis
8:40 Wiring Harness Assembly
10:43 Gasket Install

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