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Scosche DCGM14B / DCGM14

2001-up GM Class II "Dock N Lock" Radio Replacement Interface (AKA: GM14B)


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This item has been discontinued

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Scosche DCGM14B / DCGM14

2001-up GM Class II "Dock N Lock" Radio Replacement Interface (AKA: GM14B)


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General Features:
  • Dock-N-Lock Radio Replacement Interface
  • Enables the installation of an aftermarket radio without retaining the factory radio
  • Replicates the factory warning chime
  • For 2001-up select GM Class II equipped vehicles
  • Generates 12V accessory power output and retains R.A.P (Retain Accessory Power) system
  • Issues data commands that maintain a "healthy" system status
Compatibility List:
  • Oldsmobile:
    • 2001-2003 Aurora
  • Pontiac:
    • 2000-2005 Bonneville
Note: This interface does not retain OnStar.

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Premium Sound
Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
The various features that the wiring harness provides to your car stereo and/or audio system.
Chime Retention
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.

Premium Harness Features

Factory System Amplification
This refers to the factory sound system and whether the item is compatible with amplified or non-amplified systems.
On-Star Compatible
This means that the harness is compatible with vehicles that have On-Star built-in.
CAN-BUS Compatible
CANBUS Ballasts ensure compatibility with ALL vehicle makes and models without the need for additional accessories. In addition, they have built-in Anti-Flickering Capacitors to help prevent lighting issues caused by voltage spikes and drops by stabilizing the power.
GM-LAN Compatible
This means that the item is compatible with GM-LAN systems.
Chime Retention
This means that the harness is able to retain the vehicles chimes.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
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1 Star

Average Attribution Rating


Roy, UT

Necessary Evil

May 27, 2009

Gone are the days when a dash install was simple. Now you have to get one of these little buggers if you want to retain your chime warnings and such. Install of this unit is a royal PITA in a 00+ Pontiac Bonneville. This is not the product's fault however. It is the fault of GM (as usual). My best tip for install is to wire tie everything into nice tight bundles and drape everything down into the left side of the install cubby. If you have read reviews that some of these units have buzzers in them instead of chimes pick this one. This chime is a bit more shrill than the stock chime, but it sounds rather similar. Good luck!

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Scosche DCGM14B / DCGM14