A wiring schematic is helpful if you have one. Otherwise, with the radio sitting upright, the wire on the bottom terminal is typically the input, the middle terminal is the output, and the top one is the ground terminal.
You can unsolder the input wire from the pot at this point. Most head units will have a light blue input wire. This wire will be connected to the Aux-in jack and a new lead wire will be run to the pot. Using the multimeter or a manufacturer schematic, identify the function of the pins on the Aux-in port. Identify where you want to install the jack. Typically, near the radio is preferred, but I like to put mine in the glovebox or in an ashtray.
Solder a jumper wire from the input on the pot to the terminal that gets power when a 3. Solder a jumper wire from the ground terminal on the pot to the ground terminal on the Aux-in port. You do not need to remove the existing ground wire. Now, all that is left is to reassemble your radio, route the wires safely, install the jack, and reconnect the battery.
With the car on, plugging a 3. If the head unit plays music in mono, you will need to plug a mono-to-stereo adapter in to get good quality playback. The process may sound intimidating, but the results are very rewarding.
If you take your time and follow the steps correctly, installing an Aux-in port in your car is a straight-forward project you can complete yourself. Hi Derek…. Thank You! Username or Email Address.
Remember Me. How To's. Derek Fleming , June 6, Options Abound First things first, identify the options you will have for your particular stereo. Supplies: Get the best quality repair manual for your car that you can find. Electrical tape for securing wires Wire, feet A method of mounting the jack, like drilling a hole somewhere inconspicuous. Disassemble Your Dash You will need to remove the stereo from the car and open the case, exposing the innards of the head unit.
Prepare the Head Unit for Modern Convenience You can unsolder the input wire from the pot at this point. Make Good Connections Now, it is just a matter of hooking the wires up correctly. Before putting the head unit back and reinstalling the dash, you should test the aux input. Otherwise, troubleshoot the problem, and get a car audio expert on board.
If you have any queries, shoot them away in our comment section. Hey there mobile audio lovers! My name is Vincent Talbot, founder and chief editor at 99carstereo.
Ask any mobile audio fanatic, installer, or company rep what makes a good car speaker, sub or amp, or, better yet, why he or she prefers a certain brand over another, and be prepared to endure a litany of opinions, viewpoints, and passion-fueled perspectives.
Welcome aboard! Mobile audio is my passion, so before I put anything in front of you I exhaustively research a broad range of products, review all the available information on them and ultimately make a curated list of recommendations.
My goal is to recommend products that will serve you well so that when I extend this site to include more products, you will come back. How do I put an AUX input in my car? Why you should trust me? But good news — you can usually add an AUX port to your vehicle to enable streaming music directly from your phone to the car! An auxiliary port AUX is an additional audio input method used in cars, radios, and even as the headphone jack in most cellphones these days.
You may also know an aux port as an auxiliary jack or auxiliary input. An AUX cord receives peripheral sound sources via the electrical circuit created between the aux cord which provides the electricity and the aux port which plugs into the phone, mp3 player, or music device.
The main benefit of adding an AUX port to any vehicle is the ability to bring your favorite music with you anywhere without toting around dozens of CDs or mixtapes. The AUX port is beneficial for older cars that still use outdated music methods like a CD slot because it allows you to use an iPod or smartphone to stream any music, podcast, or e-book you want while driving. Like any technology, there are some disadvantages to using an AUX port for audio in the car.
When you port your smartphone or MP3 into an AUX to transmit music, understand that your music device must do all of the processing and production of the music for you. Thus, AUX cords and their port put a strain on the music device. Additionally, AUX cords break down with constant use. They can also produce static or background noise while music is transmitting, which is more prevalent with worn-down cords that are loose in the port.
The feedback and transmission nature of the AUX cord and port system is part of why AUX systems can never produce as good of sound as a Bluetooth or built-in CD system of the car. Fun fact: the car radio did not exist until when Harman Becker introduced the tune-worthy invention. As technology advanced, the cassette tape joined the FM radio before becoming an antique with the dawning of the CD era.
In general, it was not until that the AUX port became a standard in cars. This rule is not hard and fast though, if a car has had the dashboard rebuilt or a new radio installed, it may now have an AUX port.
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