Automotive Manual PDF

A Radios Integration Into A Vehicle
When the auto makers original factory radio is removed, a dash wire harness will unplug from the rear of the radio. For most vehicles all necessary wires to complete the installation of a new replacement radio will be connected to this in dash wire harness.

Getting Power: Modern digital car stereos have come along way since the days of manual tuning analog radios. One such advancement is use of digital electronics which gives us clocks, digital displays, and stations presets that memorize our favorite stations. But to do this, unlike those old manual tuning radios, modern car stereos must have a constant voltage source which allows the modern digital radio to keep track of time and station presets while the car is off. Because of this, modern digital radios have one additional power wire compared to earlier manual tuning analog radios.

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