GMC GM3X-HF Quick Start Installation Manual Download Page 6

Optional 3.5MM JACK + USB Charing Cable 
 

 

 

This option works best for charging and aux input options and can be mounted to 
vehicle using included bracket or by drilling hole.  
To install simply connect USB and 3.5mm to module USB and AUX input, route 
and install terminal to dashboard (drilling required) or bracket (no drilling). 

 

Secure module and proceed to section next section. 

 

 

 

 

 

 

 

Bluetooth pairing and connection 

 
This process is to be performed upon initial install at which the GM3x-HF will 
automatically reconnect with paired device upon entering vehicle. 
 

1.

 

Turn vehicle ignition to “ON”. 

2.

 

Red LED inside module should flash (otherwise check ground and 
accessory wires) 

3.

 

Access smartphone Bluetooth menu settings, and search (scan) for 
devices. 

4.

 

Select BlitzBlueG2 and click “Connect”  
 

 

 

Note: Supports multiple phones but connects to only one phone at a time. 
 

 

Warning:

 Caller ID or text display from music apps is 

not possible

Operating Bluetooth device by pressing the control button or Voice 
recognition application. Use factory radio volume button to control 
playback level

 

 
 
 

 

 

 

Summary of Contents for GM3X-HF

Page 1: ...ng the internet community since 1995 Driving without distraction is a necessity for a safer driving experience GM3X HF QUICKSTARTINSTALLATIONGUIDEFORGMCLASSIIWITHXMTUNERMODULEORREMOTECDCHANGER Created...

Page 2: ...he GM3 HF works in 2003 12 GM Class II vehicles equipped with an XM tuner module remote CD changer or RSE See Fig 18 If vehicle only has XM and subscription has expired an AUX input jack is provided f...

Page 3: ...ttery Tip Accessory ACC is available on ignition harness under steering column Remove steering column cover and tap into orange or brown wire Accessory power may also be available from fuse panel Acce...

Page 4: ...mic It is best to mount button facing driver USB charging port install options Should you decide to use charging port we suggest one of 3 connecting options A Flush to dash panel requires drilling a...

Page 5: ...o mount USB support bracket See Fig 14 using adhesive backing or screws Fig 14 USB mounting bracket 2 Insert USB male terminal through bracket See Fig 15 and connect to module USB port See Fig 11 Fig...

Page 6: ...formed upon initial install at which the GM3x HF will automatically reconnect with paired device upon entering vehicle 1 Turn vehicle ignition to ON 2 Red LED inside module should flash otherwise chec...

Page 7: ...ess button twice call goes to VM Cancel outgoing call Press button twice Activate Voice Control Press hold button for 2 seconds Notes 1 If playback is distorted adjust volume on Bluetooth device 2 To...

Page 8: ...structions also apply to enable Aux playback option instead of XM CD changer 7 Where is the best place to install control button mic We found that having the control button mic mounted higher on the d...

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