Auxiliary relay with HID headlamps. On vehicles (2008-2009) equipped with HID headlamps, an auxiliary relay box is located under the hood on the right-hand side front of the engine compartment. This auxiliary relay box contains the left front and right front HID headlamp relays. №. Description. Related searches for 2000 mustang v6 fuse diagram 2000 ford mustang fuse box2001 mustang fuse chart04 mustang fuse box diagram2000 ford mustang fuse panel2000 mustang fuse box2004 mustang fuse diagram2001 mustang cobra fuse diagram99 mustang fuse box diagram