Dieselsite Air Intake Heater Plug - 99.5-03 7.3L

This plug replaces the air intake heater for less restriction in your intake.   The '99.5 and up 7.3L Powerstrokes and the 2001-2005 6.6L Duramax engines are equipped with a Air Intake(Grid) Heater as well as a glowplug circuit.  The Air Intake heater is not needed in most cases and was designed for extended idleing.  This Air Intake heater blocks approximately 20% of the airflow through the intake manifold.  By replacing the Air Intakeheater with this plug, you increase airflow -- allowing better combustion.  This WILL NOT affect cold starts. This fix does NOT cut off heat to the cab.  7.3L AIR INTAKE HEATER SHOWN BELOW 6.6L Intake Heater vs Delete Plug Shown     Follow the simple instructions below to install the 7.3L Air Intake Heater Plug. As shown in the picture below, the intake heater is located on the left hand side of the intake manifold. It has two wires attached to it. Remove the black wire (ground). You can leave this hanging in the valley as it is only a ground wire or y