New Website Feature – the Car Fitting Kits Online Tool
Find out instantly the different parts which are required to fit your car stereo with our innovative online tool: https://www.caraudiocentre.co.uk/accessories.htm
Need help with any Car Stereo Installation?
Here at CarAudioCentre we offer a professional and reputable fitting service in all our stores. For all fitting enquiries and bookings please visit or call one of our nationwide stores. Our fitters can install your new car stereo, DAB radio, audio visual, speakers, subwoofers or amplifier. We can also help to connect your iPod or MP3 player to you existing audio unit and can offer the best advice on the right in-car entertainment for your vehicle, to further this more we also offer a total 100% custom installation service for demo and show vehicles. So if you have an idea come on in and run it past us, the possibilities are endless and we are never too busy for an enthusiastic chat about our favourite subject.
Please note: Our two year warranty on products is only applicable to purchases made directly from us and that have been fitted in one of our stores.
Car Audio Centre UK Stores:
Tel: 0115 9624 986
Tel: 0208 599 2368
Tel: 0116 283 1358
Tel: 0208 971 9181
Tel: 0121 459 3131
Car stereo wiring harnesses
Each vehicle has a different wiring story. Sometimes you have a choice of harnesses that will work in your car. Other times, you might need more than one harness to complete the installation.
The basic wiring harness
These represent the most common type of wiring harnesses. They offer connections for the power and speaker wires. They can also include connections for the new stereo’s ground and illumination wires. These harnesses enable you to match up the wires for each connection to the new stereo’s wiring harness. Once that’s done, you plug the other end of the harness into your car’s wiring connector (the one that was plugged into the factory radio). Using your car’s factory stereo plug wiring connector is the key to installing a new stereo without damaging your vehicle’s electronics.
Hook up your new radio by bypassing the factory amp
A vehicle’s stereo system sometimes has a separate amplifier, and when installing a new receiver, you generally need to connect the new stereo’s speaker wires to the factory amp’s output section. These amp bypass harnesses allow you to use the power from the new car stereo to drive your speakers and not rely on factory power.
These harnesses tend to be more affordable than amplifier integration adapters, but can involve more work if the amplifier is in a remote location, like under a seat or in the boot of your car.
Keep the factory amp in play
Many wiring harnesses can let you keep your vehicle’s factory amplifier when replacing the stock radio. They include connections that directly tie the outputs of your new car stereo into the factory amplifier’s inputs. So, you’ll be using the factory power for your speakers, instead of the power from your new radio.
These harnesses can sometimes shorten the installation time, since wires often do not have to be run to the factory amplifier location, but they tend to be more expensive than the bypass harnesses above. You may also see a module connected in these harnesses — they include adjustments that enable you to properly integrate your stereo’s speaker outputs and the factory amp’s inputs to keep your music clear.
Retain those important audible safety alerts
In many vehicles, the audible safety alerts are integrated into the factory radio. When you replace that radio, these warning sounds are lost, and that’s dangerous. Thus, these vehicles require a special harness to keep these audible tones working when you install a new stereo. Fortunately, these harnesses also take care of all of the basic stereo connections.
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Additional adapters for car stereo installations
Sometimes, a wiring harness won’t take care of everything and you need additional adapters to install a new stereo. They can help with a specific connection or allow you to keep a factory feature.
Many factory AM/FM antenna connectors simply plug into the antenna port on the rear of a new receiver. However, some vehicles have an antenna connector with a different shape or are part of an amplified antenna system. In these cases, an antenna adapter becomes necessary for your radio installation so you can keep your AM/FM stations playing.
Steering wheel audio control adapters
Modern vehicles often include steering wheel controls to let you safely operate your factory audio system without taking your hands off the wheel. These functions include volume controls, track forward/back, and hands-free calling controls. In most cases, those controls won’t work after replacing the factory radio. Thankfully, steering wheel control adapters help integrate these controls with many new stereos, so you can keep using these handy controls with your new stereo.
Speaker wiring harnesses
While they don’t directly help with car stereo installations, the speaker wiring harnesses we offer let you use the factory speaker wires for your new speakers, just like car stereo harnesses. Their plugs match the factory speaker wiring plugs in the vehicle, and the other ends slide over the new speakers’ terminals. That way, you don’t have to run new wire from the radio to all the speaker locations in your vehicle or cut factory wires. These adapters are also free with a car speaker purchase from Crutchfield.
How do I know what I need?
We’ll show you! Online you can check here at the Car Accessories page or you can pop in to any of our stores for on the spot free help and advice.