Michigan Motorsports Glow Plug & Injector Harness | Fits 1997-2003 Ford 7.3L Powerstroke Engines | Direct-Fit Under-Valve-Cover (UVCH) Replacement Wiring Harness for Injectors & Glow Plugs

The Michigan Motorsports Glow Plug & Injector Harness is a direct-fit replacement for the 1997–2003 Ford 7.3L Powerstroke under-valve-cover wiring assembly. Designed to restore proper electrical continuity to the injectors and glow plugs, this harness replaces worn factory connectors that commonly lead to misfires, rough running, long crank times, or intermittent electrical faults. Manufactured using heat-resistant wiring, OE-style connectors, and durable insulation, it maintains stable electrical contact under the harsh temperature and vibration conditions found beneath the valve cover. Ideal for preventative maintenance or Powerstroke repair, this harness installs easily with factory-style fitment for long-term reliability.

• Direct-Fit UVCH Replacement: Designed specifically for 1997–2003 7.3L Powerstroke engines, providing proper connector geometry and OE-style fitment for the under-valve-cover injector and glow plug wiring harness.
• Restores Injector & Glow Plug Operation: Ensures stable electrical contact to all injectors and glow plugs, correcting common issues such as misfires, no-starts, long crank times, and intermittent power loss caused by worn OE harnesses.
• Heat-Resistant Construction: Built with high-temperature wiring, durable insulation, and secure connectors engineered to withstand valve cover heat, oil exposure, and engine vibration for long-term reliability.
• Plug-and-Play Installation: No splicing required—installs directly in place of the original harness, providing a clean, factory-style solution for servicing or rebuilding 7.3L Powerstroke engines.
• Michigan Motorsports Quality: Manufactured to OE-level specifications with reliable electrical performance trusted by technicians servicing 7.3L Powerstroke platforms.