Boss Audio MGV550B User Manual - Page 5

• The MGV550B should be wired directly to a vehicles battery • When wiring directly to the vehicles battery, be sure to disconnect the batteries negative terminal wire before starting any wiring procedures, if extending the main power primary wire, it is suggested that an optional fuse and fuse holder (not included) with minimum rating of 15 Amperes be in-line with the positive battery terminal • The ground cable length should be as short as possible, if extending from you battery, be sure to use a proper gauge rating for the length of the run, use only high quality copper primary type wire • The MGV550B has a IPX6 weather resistant design, it should not be submerged in or under water under any circumstances • Do not use abrasive cleaning materials on the lens or bezel • Use only the installation parts provided with the MGV550B To avoid potential shorts in the electrical system, be sure to disconnect the (-) battery cable before installation. Use this unit with a 12-Volt battery and negative grounding only. Failure to do so may result When replacing the fuse, be sure to only use a avoid short-circuiting, cover any disconnected leads with insulating tape. It is specially impor tant to insulate any unused wires, which if left uncovered may cause a short circuit. When connecting other devices to this product, refer to the manual for the product to be connected. The black cable is ground, Ensure that the ground cable is properly connected to metal parts of the vehicles body frame or direct to the battery if your vehicle does not have a grounded chassis frame. The ground cable of this units power amp and a second powered system must be connected to the frame separately with different screws. If the screw for the ground wire