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Courtesy of: DiscountCarStereo.com 

Serving the internet community since 1995 

 

 

 
 

 

Driving without distraction is a necessity for a safer driving experience 

GM3X-HF

 

QUICK START INSTALLATION GUIDE FOR GM CLASS II WITH XM TUNER MODULE OR REMOTE CD CHANGER

 

Created: November 19, 2016 

Revised: April 13, 2022

 

 

 

 

 

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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