How to Read a Car Stereo Wiring Diagram With Amp

Installing a car stereo system is one of the most popular DIY tasks out there. Most people will be able to get their new car stereo system up and running with just a few simple tools and the included installation instructions. However, for more complicated setups, it’s important to understand the bigger picture before starting. One of the most critical pieces of any car stereo system is the wiring diagram – and when you’re working with an amplifier and subwoofers, a wiring diagram with an amp becomes especially important. Let’s take a look at how to read a wiring diagram with an amp and get your stereo setup up to speed.

Understanding Your Car’s Wiring Diagram With Acronyms and Symbols

The first step to decoding a wiring diagram with an amplifier is to understand the symbols and acronyms used on the diagram. Most diagrams will include this information in an accompanying legend, but having a quick reference guide is essential for being sure you’re connecting the right wires to the right places. The most commonly used wiring diagram acronyms are:

AMP: Amplifier.

RCA: Right and Left channel audio.

GRN/BLK: Green and Black ground wires.

BU/WT: Blue and White remote input and turn on wires.

RED: Constant power.

YEL/BLK: Yellow and Black power antenna wire.

The most commonly used symbols are:

Symbol	Meaning
==>	Connect two points.
>=>	Output to load.
<==	Input from source.

These acronyms and symbols should give you all the information you need to start deciphering a wiring diagram with an amplifier in the circuit.

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