background image

Test Operation: 

1.

 

Turn ignition and r

adio “ON”

 

2.

 

Press “

BAND

” 

button until XM1 or XM2 is displayed

 

3.

 

Connect audio device to 3.5mm jack using included 3 ft. audio cable or 
similar (See 

Fig. 6

)  

4.

 

Put audio device in play mode and ensure volume is at 80% or higher  

 

Fig. 6  

3.5mm Male audio cable 

5.

 

Use radio volume control button to set playback level. If distortion is 
heard lower volume on audio device. 

 

Playlist and Track selection is *NOT* possible from the 
Radio. You must use the audio devices built-in controls 
to access audio files. 

 

6.

 

To listen to XM simply disconnect 3.5mm audio cable at the jack and 
operate XM as customary

 

7.

 

If correct operation is confirmed go ahead and reinstall Panels 
surrounding the XM tuner. 

Alert:

 Audio plug must be removed from cable (jack must be empty) 

otherwise XM playback is impaired. 

Frequent asked questions 

1.

 

Does the AUX-GM3x work in all GM Class-II vehicles? 
YES;

 

so long vehicle has an 

XM Tuner module

 with or without subscription.

 

2.

 

Will I be able to use smartphone speakerphone feature? 

Use smartphone speakerphone mode to hear callers voice on car speaker. 
This feature is limited by smartphone not this cable

3.

 

My vehicle does not have an XM Tuner, how can I connect/play my 
portable device?

 

If vehicle does not have XM tuner purchase ou

PXDXGM3

 

4.

 

Which cable length should I select from options? 

Measure distance between XM module and location where you intend to 

place 1/8” 

audio jack and select from available options. 

5.

 

Wha

t’s 

the difference between Expired and Active and which to I 

select? 

Expired subscription and 

NO intentions

 to renew

, purchase “Expired”

 

Expired subscription and

 intent on

 renewing at future time, purchase 

“Active”

 

Important:

 Expired version will 

not allow

 XM playback at any time, 

therefore to retain XM playback (now or in the future)

, purchase “Active” 

version. 

6.

 

don’t know if vehicle has XM

 Tuner. How can I find out without ripping 

car apart? 

Turn radio 

“ON”, press “BAND” 

button repeatedly as radio cycles through 

AM/FM/XM1/XM2

. If only AM/FM is displayed, vehicle does not have 

required XM tuner. 

7.

 

My factory radio has a 

BAND

 button but no XM tuner

Will this work? 

NO

; For the AUX-GM3x to work, vehicle must have an XM tuner module.

 

8.

 

Do you offer a wireless music streaming option for my GM with XM 
Tuner

YES

See ou

A2D-GM3x

 

9.

 

After connecting everything, playback is noisy/humming. Any ideas? 

Ensure audio device volume is set to 80% or more. When listening to XM (if 
subscribed) ensure jack is empty

.

 

Summary of Contents for AUX-GM3x

Page 1: ...Courtesy of DiscountCarStereo com Serving the internet community since 1995 AUX GM3x QUICKSTARTAUX INSTALLATIONGUIDEFORGMCLASS IIVEHICLESWITHXMTUNERMODULE Created August 1 2015 Revised June 11 2020 ...

Page 2: ... See Fig 1 installed in a remote area of vehicle NOTE XM it NOT built into the AM FM radio but located in remote area See table at the end of this guide for XM tuner location See Frequently Asked question at the end of this guide for more details Installation Does not fit AM FM radio Fits XM Tuner module Alternately purchase our AUX GM3 which connect to radio See XM module location chart at the en...

Page 3: ...ustomer s preference Aux Jack active XM Aux jack expired XM Fig 4 Audio jack 3 Optional Drill a hole in dash or panel push threaded end through hole and secure with nut See Fig 5 Fig 5 The panel should not be thicker than 1 8 otherwise the jack threads won t protrude enough to engage with nut If necessary use a Dremel or sander to thin panel Mounting jack is not necessary but doing so makes for a ...

Page 4: ...phone not this cable 3 My vehicle does not have an XM Tuner how can I connect play my portable device If vehicle does not have XM tuner purchase our PXDXGM3 4 Which cable length should I select from options Measure distance between XM module and location where you intend to place 1 8 audio jack and select from available options 5 What s the difference between Expired and Active and which to I sele...

Page 5: ...x Left Rear Q Panel HHR Rear Right Q Panel Impala Right Rear Q Panel Malibu Under Shelf deck left Side Monte Carlo Behind Rear Left Q Panel Silverado Behind Glovebox Suburban Behind Glovebox Tahoe Behind Glovebox Trailblazer Behind Glovebox Uplander Above Steering Column Venture Above Steering Column GMC Acadia Rear Right Q Panel Canyon Behind Glovebox Denali XL Behind Glovebox Envoy Behind Gloveb...

Page 6: ...al installation is recommended Email support discountcarstereo com 1995 2020 06 11 Discount Car Stereo Inc All rights reserved Information in this document is subject to change without notice Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders ...

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