1996 Mazda B4000 Pickup | Stereo Wiring Diagram 1996 Mazda B4000 Pickup Speaker Sizes. Audio Front Speakers Size: 5″ x 7″ Speakers Audio Rear Speakers Size: 5″ x 7″ Speakers. The following information is currently not available: Stereo Dimmer Wire Stereo Antenna Trigger Wire *If you know any of the above or any other missing information please use the comment box below to notify us. 1996 Mazda B4000 Car Radio Wiring Diagram - ModifiedLife Whether your an expert Mazda B4000 mobile electronics installer, Mazda B4000 fanatic, or a novice Mazda B4000 enthusiast with a 1996 Mazda B4000, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 1996 Mazda B4000 vehicles are becoming increasing more difficult to identify due to the installation of Read More Read More Mazda B series Free Workshop and Repair Manuals Mazda B series The Mazda B-Series is a pickup truck, first manufactured in 1961 by Mazda Motor Corporation. Since the launch of the B-Series, Mazda has used the engine displacement to determine each model's name; the B1500 had a 1.5 L engine and the B2600 had a 2.6 L engine. 1996 Mazda B2300, B3000, B4000 Vehicle Wiring Chart and ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter.