Metra 99-3309B Dash and Wiring Kit

Install and connect a new car stereo in select 2013-up Chevrolet Spark models — retains Bluetooth®, OnStar®, and warning chimes (Flat Black)

Item #: 120993309B

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The console design in the Chevy Spark makes it difficult to upgrade the factory radio, but Metra has the solution. Their 99-3309B package includes the dash kit pieces, wiring harnesses, and brackets you'll need to install a new car stereo. The included dash kit replaces the factory radio dash console in your Spark, enabling you to install an aftermarket single-DIN (2" tall) or double-DIN (4" tall) radio using the supplied brackets.

Keep the good stuff

In addition to the power, ground, and speaker connections, this Metra harness lets you keep the factory OnStar, Bluetooth, safety warning chimes, and the Retained Accessory Power (RAP) feature, which keeps the music going until your door is opened. Attach the color-coded wires on the Metra harness to the wires from your new stereo, and then you'll be able to plug right into your car's factory radio connector. If you're installing a navigation receiver, the 99-3309B adapter also offers the parking brake, reverse, mute, and Vehicle Speed Sensor (V.S.S.) outputs that you'll need. Warranty: 1 year.

Note: Most vehicles will require additional installation parts — please identify your vehicle if you haven’t done so. You can also call an Advisor for more information.

Metra 99-3309B Dash and Wiring Kit Reviews

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Requires Modification for Pioneer Avic 6000NEX

Written By Garey, Texas on Wednesday, July 29, 2015

Crutchfield Customer Review (What's this?)

The wiring kit was excellent. I was not real pleased with the fit of the Metra Dash Panel and a Pioneer Avic 6000NEX. I have had to take a Dremel to the Metra Panel to make the Pioneer fit in the hole better. If you do not make cuts, there are significant gaps between the Dash Panel and the Pioneer. Supplied plastic mounts for the Pioneer are way too thick for the Dash Panel hole making it necessary to modify the existing Chevrolet mounts in order to install the Pioneer into the Dash Panel of a 2014 Chevrolet Spark.

Pros: Wiring harness is very good and the directions are clear.

Cons: Mounts way too thick for use with Pioneer and 2014 Chevrolet Spark. Metra Dash Panel needs modification for fit. Did not need single DIN plastic spacer compartment.

Great adapter for Chevy Spark

Written By Rick, TN on Saturday, April 26, 2014

Crutchfield Customer Review (What's this?)

Great fit for my Chevy Spark. Looks like it came with the car.

Pros: Great fit and look.

Cons: Not available in any color but black.

Hands-on research

What's in the box?

Download owner's manual

  • Interface module
  • 22-Pin to 44-Pin harness
  • 16-Pin harness
  • 4-Pin-to 4-Pin harness
  • 3.5mm to 2-Wire harness
  • Resistor
  • Trim-panel
  • 2 Brackets
  • Pocket
  • 4 Screws
  • 10 Clips
  • Installation Instructions

Product Research


Vehicle Compatibility: The Metra OEM Integration Kit (99-3309B) is designed specifically for the 2013-up Chevy Spark (with amplified and non-amplified factory audio systems). The 99-3309B allows you to replace your GM factory stereo with an aftermarket stereo and retain important factory functions, which otherwise would be lost. Please consult Crutchfield's Vehicle Selector to see if your vehicle is compatible and if additional accessories will be needed.

Automotive Install Kit: The installation kit will fit most single-DIN or Double-DIN aftermarket head units (a pocket is included for Single-DIN installations. The kit features high-grade ABS plastic and is contoured to match your vehicle's factory dashboard color and texture.

Radio Replacement Module: The included radio replacement interface module allows the replacement of the factory radio in your 2013-up Chevy Spark with an aftermarket head unit. This interface module allows you to retain your vehicle's factory OnStar, Bluetooth, and warning chimes. The interface module also provides navigation outputs (vehicle speed sensor/reverse trigger/parking brake), factory amp-turn on, and accessory power (12V/3A) for your new aftermarket car stereo. In addition, the 99-3309B lets you retain your factory steering wheel controls using the Axxess steering wheel control interface (sold separately).

  • OnStar Compatible: The Metra OEM Integration Kit (99-3309B) is designed to retain the factory OnStar emergency services system that would normally be lost when your factory radio is replaced by an aftermarket head unit.
  • Warning Chimes: The 99-3309B OEM integration kit retains your vehicle's factory warning chimes.
  • 12V/10A Accessory Output:  In these vehicles, there is no 12-volt accessory wire in the factory harness, which requires the installer to run an accessory wire to the fuse box or underneath the steering column when installing an aftermarket radio. The 99-3309B is designed to provide a 12-volt/10-amp switched accessory output (red wire) for your new aftermarket head unit.
  • Amp Turn-On Lead: The 99-3309B provides an amp turn-on lead (Blue/white) to turn on any factory amps. Both balance & fade control are retained.
  • Aux Input: To retain the vehicle's factory Aux input, your aftermarket head unit must have a rear-panel Aux input (male mini to female stereo RCA adapter may be required, sold separately).
  • Bluetooth: The Metra OEM Integration Kit (99-3309B) retains your factory Bluetooth functionality.
  • Navigation Outputs: The 99-3309B provides a VSS (vehicle speed sense), Parking Brake, Mute, and a Reverse Gear output to make installing an aftermarket Navigation radio simpler and less time consuming.
  • OEM Steering Wheel Control Compatible (optional): The 99-3309B features a right-angle 3.5mm connector that lets you keep your vehicle's OEM steering wheel controls via the optional Axxess Steering Wheel Control Interface (120ASWC1, sold separately).

Optional Vehicle Customization LCD: The Metra OEM Integration Kit (99-3309b) allows you to change certain factory vehicle customization items using the Axxess XIA-LCD  (120XIALCD, separately).

Aftermarket Radio Connection: The Metra OEM Integration Kit (99-3309B) features the following hardwire connections to your aftermarket head unit and factory system.

Wire Color Function
Yellow +12 Volt Constant
Black Ground
Red +12 Volt Accessory
Blue/white Amp Turn-On
Orange/white Illumination Output (+)
White Left Front Speaker +
White/black Left Front Speaker -
Gray Right Front Speaker +
Gray/black Right Front Speaker -
Green Left Rear Speaker +
Green/black Left Rear Speaker -
Purple Right Rear Speaker +
Purple/black Right Rear Speaker -
Light Green Parking Brake
Green/purple Reverse Output (+)
Blue/pink VSS (vehicle speed sense)
Pink not used (tape off)
Yellow/black OnStar Volume
Brown Mute

Our Product Research Team

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