The Auxiliary Idle Control Module, also called Auxiliary Powertrain Control Module (APCM), is for use in Light Trucks equipped with 7.3L DIT Diesel engines. Each kit includes an Auxiliary Idle Control module, wiring harness, mounting bracket and hardware, operator's card, and this instruction booklet.

Install the lower intake, fuel injectors, and fuel rail on the engine if it is not already installed. Remove the upper intake if it is installed; install stock fuel pressure regulator and plumb fuel lines with appropriately rated line. Use caution when working on fuel system, 40-100PSI can be held within system. To release fuel pressure, remove fuse or relay to fuel pumps, then start engine and allow it to stall. Crank starter for several seconds to insure all pressure has been released.