GMC A2DIY-GM1 Quick Start Manual Download Page 2

Introduction: 

(newest version) 

Many GM owners looking to add Bluetooth without changing the original radio will 
be pleased to find the A2DIY-GM1. This new release features 

Bluetooth Hands-

Free and music streaming from

 any smartphone or Tablet with A2DP and 

Hands-Free profile. In addition to Bluetooth, a 3.5mm input jack is included to 
connect and play portable audio devices (e.g., Mp3 Players, satellite radio kit, 
iPods etc.) and 

optional USB fast charging port

  which automatically 

determines the amount of current required to charge device while on the road 
and new media button (replaces wireless remote) from which users may change 
tracks, volume, switch between sources, end phone calls and more while keeping 
eyes on the road. 

Keep the radio and car you love

 while enjoying Bluetooth features only 

available on newer cars.  

For more details, see Frequently Asked question 

at 

the end of this guide. 

Installation:

 

1.

 

Remove factory radio from dash (Vehicle specific radio removal 
procedure is not part of this guide but available upon request) 

2.

 

If vehicle is equipped with a CD changer, slave unit or Bose system; 
disconnect 9-pin plug from radio (See. 

Fig. 1

). 

This port will be empty if 

vehicle does not have any of the aforementioned factory options 

--- 

skip to step 2. 

 

Fig. 1 

Radio 9-pin port 

3.

 

Connect installation harness 9-pin plug (black) (See 

Fig. 2

) to radio 9-

pin port (See 

Fig. 1

 

Fig. 2

  

installation harness 

4.

 

If vehicle has Bose system, connect factory 9-pin plug (removed from 
radio in step 2) to installation harness matting 9-in connector (white) 

Vehicles with slave CD or Tape player (in lower dash); remain 
disconnected and 9-pin connector (white) on installation harness 
remains empty. 

5.

 

Connect installation harness 22-pin Molex plug (See 

Fig. 2

) to module 

22-pin connector (See 

Fig. 3

 

Fig. 3  

Module 

Summary of Contents for A2DIY-GM1

Page 1: ...Courtesy of DiscountCarStereo com Serving the internet community since 1995 A2DIY GM1 QUICKSTARTBLUETOOTHINSTALLATIONGUIDEFORSELECT 1995 05GM Created March1 2017 Revised January 26 2021...

Page 2: ...s only available on newer cars For more details see Frequently Asked question at the end of this guide Installation 1 Remove factory radio from dash Vehicle specific radio removal procedure is not par...

Page 3: ...ge Kit not for thumb drives etc This fast charge USB kit can be added to any vehicle It supports BC1 2 QC2 0 QC3 0 PE1 1 PE2 0 FCP SFCP fast charge protocols Apple Samsung Huawei etc Note iPhone Fast...

Page 4: ...ion See Enabling the AUX section below B USB with Bracket Mount No drilling 1 Locate flat surface at location of choice within 3 2 ft of radio and mount USB support bracket See Fig 13 to surface using...

Page 5: ...vice or simply turn OFF Bluetooth on first device Warning Voice recognition VR applications e g Siri Google Play etc must be enabled on device as you would in portable mode Bluetooth Media button Pair...

Page 6: ...edia button pause play f correct operation is confirmed go ahead and reinstall radio Bluetooth Kit comparison chart Feature BLU GM1 A2D GM1 A2DIY GM1 Slave unit required retained x x 3 5mm AUX input x...

Page 7: ...ossible at a time To pair a second device you must disconnect unpair first device 5 Aux playback is interrupted when pressing phone buttons is this normal YES playback is briefly paused when phone but...

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