How to install a car stereo

Do you love to blast your tunes while you’re driving back and forth from work or when you’re simply riding for fun at the weekends but your stereo is broken?  Do you want to impress your friends with your blasting and perfectly pulsing hits ? Has your factory stereo lost its glossy sheen ? Or, are you simply looking for a change with more features ? Well, if you answered positively to either of these questions,or have your own reasons,it’s probably time to look for an aftermarket stereo that meets your needs and fits your car.If you’ve made the decision to upgrade your car stereo , you’re going to need to know how to install one. Now,DIY Installation process isn’t rocket surgery.

This is a complete guide on how to install a car stereo yourself.We walk you through all the steps for properly installing your brand new stereo.Read over these instruction before you begin the installation process in order to give yourself an overview of what to expect.

First Things First:  : How to Remove a Car Stereo

This is only a general guideline to get you started.Each vehicle is different,however the process is going to be almost exactly the same with minor changes.

UntitledThe very first thing that you should do when planning on installing any electrical components is to remove the negative cable on your battery to prevent electrical chocks and to protect the electrical components.

Factory stereos are usually mounted in one of two ways :

  • Fixed in a metal mounting sleeve using spring clips.
  • Bolted to your car’s dashboard with brackets.

Spring clip mounting

1If your factory receiver is mounted using spring clips,get a pair of DIN tools (usually U-shaped) to slip on the right and left sides of the stereo to easily unlock the unit.The DIN tools release the clips and serve as handles so that you can pull out the old receiver (You’ll hear a click when it’s disconnected). Now as the clips are released,spread the tools apart a bit so the stereo can slide out of the dash.

Bolted in place

2Things can be a bit complicated with your receiver being bolted in place.You’ll need to remove a few other pieces before you gain access to the stereo itself,locate and remove bolts.Stereos mounted this way are usually secured by a few screws.Use a screw driver to unscrew them and easily pull the stereo from the dash and pay attention to the wiring connections on the back.Make sure to label or remember where each cable connects for future reference. It might even be a good idea to draw a simple self-explanatory diagram,noting the colors of all those wires.


 

 

 

 

 


 Unplugging the factory stereo

If your vehicle is equipped with a factory stereo,or if it was wired before with a “stereo prep” package,you’ll notice that there’s a wiring harness inside the opening.This wiring harness feeds your stereo with power and drives audio signals to your speakers.Unplug it to complete your stereo removal process.

Wiring

Fortunately, the majority of car stereos come with a wiring harness.So, simply plug in the wiring harness from your car to the new stereo and everything will work seamlessly,just like the factory stereo did no muss no fuss,.However,in case no harness is supplied,or if the factory stereo plug was  previously cut off,you’ll need to a make hardwired harness by matching and connecting the wires from your car’s harness to their corresponding wires of the new receiver.

harness

how to wire a car stereo

For reliable joints and instead of just twisting the wires together,you’d better use a solder or a crimped connector.

Crimping and Soldering – Which one is better ?

Crimping or soldering your wires boils down to a personal choice.Crimping is easy as a pie and it can be done in a flash.Use the correct size crimp connector — for car stereos we usually use 18-gauge.Crimp connectors come in various types including crimp caps,butt connectors, or bullet connectors.

Soldering your wires on the other hand leaves you with a professional connection that will last longer and ensures maximum signal transfer.It’s highly recommended that you use heat-shrink tubings to cover the joint after it is made.Taping wires is an other short-term solution to be avoided — the tape dries out fast starts to fall off especially in hot climate conditions.

 

 

 

 

 

 

 

 


Power

Combining all stereo’s wiring connection in a wiring harness is usually the best approach.But if you have your own reasons and want to make a direct power connection instead,then you should know what’s the difference between switched and constant power.

  • Switch mode power (AKA +12 Volt Ignition Wire) : This simply means that your stereo will turn off when you turn off the engine – to avoid draining your car’s battery.It’s usually the case when a switched power source is what’s used to feed your stereo with power.
  • Constant mode power (AKA +12 Volt Battery Wire) : This mode allows the stereo to have a constant source of power,so that it remembers all your settings and station presets.If a car stereo is constant powered , that means it’s attached to the main source of power.

In rare cases,a few high-powered aftermarket stereos require a direct connection at the positive terminal of your car’s battery.For this you’ll need a strong gauge power wire, an in-line fuse which is usually included,as well as a ring terminal climp to attach the power wire to the battery.Things can get a bit dirty as you’ll have to run the power wire through your vehicle’s firewall into the engine and from there to your battery.

In-dash video wiring

If you’ve purchased a double din headunit or a car stereo with a large touchscreen,chances are high your stereo has video functionality.To be able to play videos on your stereo,you’ll need to connect a wire to your parking brake wire.Manufacturers integrated this feature as a safety procedure,so you don’t get distracted by videos while you’re driving(there is a workaround on how to bypass this safety procedure).The wire attached to the parking brake serves as a switch and turns on the video feature when the parking brake is fully engaged.

How To Install a Car Stereo (Single & Double DIN)

Many factory stereos are mounted using some kind of brackets.Remove these brackets and attach them to your new stereo.It’s very likely you’ll need a mounting kit (mounting kits usually consist of a dash insert , brackets or backstraps, mounting sleeve, trim ring  …etc) to install your new stereo.

If your new stereo includes a mounting kit,install it first, then slide the metal mounting sleeve into the kit.Use a flat blade screwdriver to secure the sleeve’s metal tabs inside the enclosure.

Now,as everything is ready,hold your new stereo close to the opening and plug in the stereo wires adapter to your vehicle’s harness. Slide the receiver into its opening,and test it first before fastening it down.Once you’re sure everything works as desired,re-install the unmounted pieces and you’re good to go.

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