GlowShift High Pressure Oil Pressure HPOP Gauge Wiring Pigtail Harness for 1994-2003 7.3L & 2003-2007 6.0L Ford Powerstroke Engines Connects to Injector Control Pressure Sensor Eliminating the need to Splice to Factory Wiring for a Clean Installation Features a Length of 6" with 9" Sensor & Ground Wires Compatible with 1992-1997 & 1999-2002 7.3L Power Stroke Diesel Engines Compatible with 2003-2007 6.0L Power Stroke Diesel Engines Includes Installation Instructions, One Year Limited Warranty & Free Lifetime Technical Support