Manufactured specifically for 1957 models. Designed with the foresight, engineering, and flexibility to bring your... see moreManufactured specifically for 1957 models. Designed with the foresight, engineering, and flexibility to bring your electrical system up to date. Choose the routing of the wiring to fit your needs and accommodate all of the most popular custom/aftermarket and reproduction/original accessories available!!!! Includes many of the vehicle's basic electrical devices and detailed instructions!!!!
with push button radio that has external power supply (wire from power pack to speaker)... see morewith push button radio that has external power supply (wire from power pack to speaker) Use when installing original, replacement, or aftermarket speaker. Made with correct connector for hook-up to current GM replacement speaker and correct connector for connection to original radio or rear speaker fader switch wiring. You can cut off connector for hook-up to current GM replacement speaker and solder wires directly to original speaker (as was done originally) or aftermarket speaker