This kit consists of two items from SureFire. The first is the QuickDraw Lite Motor Stop Adapter 208-05-3362Y1, which contains the relays required to start and/or stop the pump. This adapts the QuickDraw Lite connection to attach to the pump stop harness contained in 208-05-2414Y1. 208-05-2414Y1 actually consists of two harnesses (208-05-2802Y1 and 208-05-2633Y1). Depending on what type of pump engine electrical system you have, you will choose one.