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Car Stereo Installation & Accessories for your 1990 Skylark

Installing an aftermarket head unit involves more than just choosing a screen; it's about building a bridge between new technology and your vehicle's factory architecture. Without the right installation accessories, a high-end receiver can't provide the seamless look or the integrated functionality your car was designed with. From dash kits that match your interior texture to complex digital interfaces that talk to your vehicle's computer, these components are what make a professional-grade installation possible.

Whether you're looking to retain your steering wheel controls, adapt a proprietary antenna plug, or ensure your new Double-DIN screen sits flush in the dash, we carry a comprehensive selection of gear from industry leaders like Metra, Scosche, PAC, and iDatalink.

Use our FitFinder to find the exact parts required for your specific year, make, and model. It's the most reliable way to ensure your DIY project results in a factory-finished look.

It's a no-brainer. Get your installation gear here.

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Metra 44-EC240 Antenna Extension

240" Universal Antenna Extension Cable

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240" Universal Antenna Extension Cable

• Universal Antenna Extender • Extends Antenna 240" (20 ft.)

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List price $28.99
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• Universal Antenna Extender • Extends Antenna 240" (20 ft.)

Rockford Fosgate PMX-ANT Antenna

AM/FM/WB Amplified 12V Antenna

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AM/FM/WB Amplified 12V Antenna

• PMX-ANT AM/FM/WB Amplified 12V Antenna
• Universal AM/FM/WB Antenna
• Omnidirectional
• Quick Power Connect for Easy Installation

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• PMX-ANT AM/FM/WB Amplified 12V Antenna
• Universal AM/FM/WB Antenna
• Omnidirectional
• Quick Power Connect for Easy Installation

PAC SWI-CP2 ControlPRO 2

(Replaces the SWI-RC) Universal Steering Wheel Control Interface, Works with Nearly All Popular Aftermarket Receivers

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(Replaces the SWI-RC) Universal Steering Wheel Control Interface, Works with Nearly All Popular Aftermarket Receivers

• Universal Steering Wheel Control Interface
• Plug and Play installation
• Provides Conguration Information for Dip Switch or Direct Flash from PC APP

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• Universal Steering Wheel Control Interface
• Plug and Play installation
• Provides Conguration Information for Dip Switch or Direct Flash from PC APP

Metra 44-UT10 Antenna

Universal Top Mount Replacement Antenna for AM/FM Bands

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Universal Top Mount Replacement Antenna for AM/FM Bands

• Replacement Antenna for AM/FM Bands
• Top Mount Design Made For 1" Hole

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• Replacement Antenna for AM/FM Bands
• Top Mount Design Made For 1" Hole

Metra 40-SIRXM Antenna Adapter

Connect your factory SiriusXM antenna to a new aftermarket radio

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Connect your factory SiriusXM antenna to a new aftermarket radio

• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 3 feet
• Universal application

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• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 3 feet
• Universal application

Stinger SE-HFDK

Custom Installation Screen Bucket for Stinger HEIGH10 (UN1810)

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Custom Installation Screen Bucket for Stinger HEIGH10 (UN1810)

• Custom Installation Screen Bucket
• Designed for the installation of Stinger UN1810 into the dash or trim panel
• Made from ABS plastic material

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List price $39.00
$37.99

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• Custom Installation Screen Bucket
• Designed for the installation of Stinger UN1810 into the dash or trim panel
• Made from ABS plastic material

PAC HDMI-USB-CBL

3 ft HDMI and USB Extension Cable with Dash Mount Brackets

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3 ft HDMI and USB Extension Cable with Dash Mount Brackets

• HDMI and USB extension cable
• Mounts an HDMI and USB port for your aftermarket stereo
• Splash-resistant cover

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• HDMI and USB extension cable
• Mounts an HDMI and USB port for your aftermarket stereo
• Splash-resistant cover

PAC USBAUX3

3 ft USB and 3.5mm Auxiliary Cable with Mountable Waterproof Port Cap

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3 ft USB and 3.5mm Auxiliary Cable with Mountable Waterproof Port Cap

• 3 ft waterproof USB and 3.5mm auxiliary cable
• Replaces your 12-volt style cigarette plug
• Circular lock ring and dust cap enclosure
• Flush-mountable design

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• 3 ft waterproof USB and 3.5mm auxiliary cable
• Replaces your 12-volt style cigarette plug
• Circular lock ring and dust cap enclosure
• Flush-mountable design

iDataLink Maestro ACC-RR-WPB Enclosure

Weatherproof Enclosure for Maestro RR Module

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Weatherproof Enclosure for Maestro RR Module

• Weatherproof enclosure perfectly fits Maestro RR module
• Includes interlocking lids, silicone seals, and gasket
• Keeps module safe and dry

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• Weatherproof enclosure perfectly fits Maestro RR module
• Includes interlocking lids, silicone seals, and gasket
• Keeps module safe and dry

Axxess AXUSB-HK3

USB, HDMI and Auxiliary Replacement Panel for 2011-2020 Vehicles from Hyundai, Kia

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USB, HDMI and Auxiliary Replacement Panel for 2011-2020 Vehicles from Hyundai, Kia

• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2011-2020 Hyundai, Kia

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• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2011-2020 Hyundai, Kia

SSV Works 180-MRB3-175

1.75" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

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1.75" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

• 1.75" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

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• 1.75" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

SSV Works 180-MRB3-185

1.85" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

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1.85" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

• 1.85" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

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• 1.85" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

SSV Works 180-MRB3-200

2" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

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2" Roll Cage Mounting Clamps for MRB3 Bluetooth Media Controller

• 2" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

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$49.99

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• 2" Roll Cage Mounting Clamps for SSV Works MRB3
• Easy installation iwith ring clamps and billet mount plate
SSV Works MRB3 sold separately

Install Bay IBR73

HDMI/USB Pass Through Extension Panel

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HDMI/USB Pass Through Extension Panel

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

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• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

Metra 86-5612

Factory Radio Rear Support Removal Bracket for Ford Vehicles

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Factory Radio Rear Support Removal Bracket for Ford Vehicles

• Ford Rear Support Bracket
• Compatible with Select Ford Vehicles
• Allows easy removal of factory stereo without damaging or scratching unit
• Ensures everlasting service life

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• Ford Rear Support Bracket
• Compatible with Select Ford Vehicles
• Allows easy removal of factory stereo without damaging or scratching unit
• Ensures everlasting service life

iDataLink Maestro ACC-HU-JEN1 Wiring Harness

Connect Select Jensen Stereos to iDataLink Maestro Compatible T-Harnesses

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Connect Select Jensen Stereos to iDataLink Maestro Compatible T-Harnesses

• Connects to select Jensen stereos to Maestro "stereo ready" T-harness
• Plug n play, no cutting required
• Requires iDataLink interface module to work

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• Connects to select Jensen stereos to Maestro "stereo ready" T-harness
• Plug n play, no cutting required
• Requires iDataLink interface module to work

JL Audio XMD-USB2X-PNL

Dual USB Port Connector for Panel-Mounting

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Dual USB Port Connector for Panel-Mounting

• Dual USB Port for Panel-Mounting
• Installs permanent port for USB digital devices
• Designed to be mounted to any flat surface
• Labelled rubber cover with tight-fitting seal for protection
• Overall Cable Length: 6 feet / 1.83 meter

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• Dual USB Port for Panel-Mounting
• Installs permanent port for USB digital devices
• Designed to be mounted to any flat surface
• Labelled rubber cover with tight-fitting seal for protection
• Overall Cable Length: 6 feet / 1.83 meter

Crux WVI-H

Wi-Fi Connectivity Integration and Audio/Video Interface for

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Wi-Fi Connectivity Integration and Audio/Video Interface for

• Enables wireless audio/video mirroring
• Accepts dual band (5GHz and 2.4GHz) Wi-Fi capability
• Uses your smartphone virtual remote control via Wi-Fi
• Provides an AV input which can also be used to add a camera

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• Enables wireless audio/video mirroring
• Accepts dual band (5GHz and 2.4GHz) Wi-Fi capability
• Uses your smartphone virtual remote control via Wi-Fi
• Provides an AV input which can also be used to add a camera

Crux ACP-WLX

Wireless CarPlay and Android Auto Dongle for Select OEM and Aftermarket Stereos with CarPlay or Android Auto

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Wireless CarPlay and Android Auto Dongle for Select OEM and Aftermarket Stereos with CarPlay or Android Auto

• Wireless CarPlay and Android Auto dongle
• Converts wired CarPlay and Android Auto to wireless
• Works on select OEM and aftermarket stereos with CarPlay or Android Auto
• Easy and hassle-free plug and play installation

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• Wireless CarPlay and Android Auto dongle
• Converts wired CarPlay and Android Auto to wireless
• Works on select OEM and aftermarket stereos with CarPlay or Android Auto
• Easy and hassle-free plug and play installation

Axxess AXRSCH-BOS

Status Control Stereo Replacement Wiring Harness for Select Boss Stereos

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Status Control Stereo Replacement Wiring Harness for Select Boss Stereos

• Direct connection to the factory harness
• Designed for select Boss stereos
• Color coded wires for easy installation
• No cutting, splicing, and hardwiring required

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• Direct connection to the factory harness
• Designed for select Boss stereos
• Color coded wires for easy installation
• No cutting, splicing, and hardwiring required

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    FAQ Frequently asked questions in Car Stereo Installation & Accessories


    In most modern vehicles, the factory radio is part of a larger, integrated dash panel rather than a standardized rectangular box. A vehicle-specific dash kit provides the necessary brackets and trim pieces to adapt the universal ISO-mount of an aftermarket stereo to the unique shape and mounting points of your dashboard.

    Choosing the right Car Stereo Installation & Accessories begins with understanding your vehicle's make, model, and year. This information helps you select compatible wiring harnesses and mounting kits. Next, consider your audio preferences. If you're looking to upgrade your car's sound system significantly, opt for an amplifier installation kit that matches your amplifier's power requirements.Additionally, check the head unit's compatibility with your smartphone and other devices.

    Features like Bluetooth connectivity, Apple CarPlay, or Android Auto can greatly enhance your driving experience. Ensure that the accessories you choose align with your car audio goals, whether it's improved sound quality, convenience, or connectivity.

    Not if you use a Steering Wheel Control (SWC) interface. These modules translate the signals from your factory buttons into a language your new stereo understands. Many modern integration harnesses, like the iDatalink Maestro, include this functionality along with the ability to display engine data and tire pressure on your new screen.
    We strongly recommend using a wiring harness. Cutting factory wires is permanent, increases the risk of short circuits, and can void your vehicle's electrical warranty. A harness allows you to do all your soldering or crimping on the bench, then simply plug the new assembly into the factory connector without damaging the car's original wiring.

    Safety is paramount during Car Stereo Installation & Accessories installation. Start by disconnecting the car's battery to avoid electrical accidents. When handling wiring and electrical connections, follow proper insulation techniques to prevent short circuits or fires. Secure all cables and wires away from moving parts like steering columns and pedals.

    During the installation of amplifiers and subwoofers, ensure that they are securely mounted to prevent movement while driving. Avoid drilling into gas tanks, brake lines, or other sensitive areas when installing components. It's also a good practice to have a fire extinguisher and a first aid kit on hand in case of emergencies.

    All About

    Car Stereo Installation & Accessories

    Navigating the hardware required for a radio swap can be confusing. To get the job done right the first time, it's helpful to understand the specific role each accessory plays in the signal chain and the physical assembly.

    Dash Kits: The Cosmetic Foundation

    The dash kit is what ensures your new stereo doesn't look like an afterthought. These kits are engineered to match the exact color, texture, and contour of your factory dash.

    • Single-DIN Kits: Feature a 2-inch tall opening, often including a storage pocket to fill the extra space.
    • Double-DIN Kits: Feature a 4-inch tall opening designed for large touchscreens and multimedia receivers.
    • Multi-Kits: Versatile designs that can be configured for either size depending on your hardware choice.

    Wiring Harnesses and Data Interfaces

    The wiring harness is the electrical nervous system of your install.

    • Standard Harnesses: Provide basic power, ground, and speaker connections for older vehicles.
    • Data Interfaces: Required for modern vehicles with CAN-bus systems. These modules "talk" to the car’s computer to provide a 12V switched power source (which many new cars lack at the radio) and retain safety features like door chimes, OnStar, or factory amplifiers.

    Steering Wheel and Camera Retention

    Convenience and safety shouldn't be sacrificed for better sound. Dedicated interfaces allow you to keep your hands on the wheel and your eyes on the screen when reversing. If your vehicle has a factory backup camera, a camera retention adapter allows you to feed that video signal directly into your new touchscreen's RCA input.

    Professional Installation Tools

    Using the wrong tools can lead to cracked plastic or scratched leather. A set of nylon trim removal tools is essential for prying off dash panels without leaving permanent pry marks. Additionally, we recommend high-quality crimp connectors or heat-shrink tubing to ensure your electrical connections remain stable through years of vehicle vibration.

    The Sonic Electronix Advantage

    We take the guesswork out of the DIY process. When you use our vehicle selector, we don't just show you parts that "might" work; we curate a list of accessories verified to fit your specific cabin. As an Authorized Online Retailer for reputable brands, every interface and kit we sell is backed by full technical support to help you through the trickiest parts of your installation.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.