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10

Changing radio type

If the LED flashes do not match the radio you have connected, you must manually program 
the AX-GMCL2-SWC to tell it what radio it is connected to.

1.

  After (3) seconds of turning the key on, press and hold the Volume-Down button on the 

steering wheel until the L.E.D. in the AX-GMCL2-SWC goes solid.

2. 

Release the Volume-Down button; the L.E.D. will go out indicating we are now in Changing 
Radio Type mode.

3.

  Refer to the Radio Legend to know which radio number you would like to have 

programmed.

4.

  Press and hold the Volume-Up button until the L.E.D. goes solid, and then release. Repeat 

this step for the desired radio number you have selected.

5.

  Once the desired radio number has been selected, press and hold the Volume-Down button 

on the steering wheel until the L.E.D. goes solid. The L.E.D. will remain on for about (3) 
seconds while it stores the new radio information.

6.

  Once the L.E.D. goes off, the Changing Radio Type mode will then end. You can now test the 

steering control wheel controls.

 

Note:

 

If at any time the user fails to press any button for a period longer than (10) seconds, 

this process will abort.

Continued on the next page

Attention: 

 The Axxess Updater App can also be used to program the following (3) sub-sections as 

well, pending that the interface has been initialized and programmed.

Radio legend

1. Eclipse (Type 1)
2. Kenwood
3. Clarion (Type 1)
4. Sony/Dual
5. JVC
6. Pioneer/Jensen

7. Alpine
8. Visteon
9. Valor
10. Clarion (Type 2)
11. Metra OE
12. Eclipse (Type 2)

13. LG
14. Parrot
15. XITE
16. Philips
17. TBD
18. JBL

Remapping the steering wheel control buttons

Let’s say you have AX-GMCL2-SWC initialized and you want to change the button assignment 
for the steering wheel control buttons. For example, you would like Seek-Up to become 
Mute. Follow the steps below to remap the steering wheel control buttons:

1.

  Ensure the AX-GMCL2-SWC is visible so you can see the L.E.D. flashes to confirm button 

recognition.

 

Tip:

  

Turning the radio off is recommended.

2.

  Within the first twenty seconds of turning the ignition on, press and hold the Volume-Up 

button on the steering wheel until the L.E.D. goes solid.

3.

  Release the Volume-Up button, the L.E.D. will then go out; The Volume-Up button has now 

been programmed.

4.

  Follow the list in the Button Assignment Legend to reference the order in which the steering 

wheel control buttons need to be programmed.

STEERING WHEEL CONTROL SETTINGS 

(CONT)

Summary of Contents for AX-GMCL2-SWC

Page 1: ...C 6 7 Adjusting the AX GMCL2 SWC 8 Extra features 8 9 Steering wheel control settings 9 12 L E D feedback 9 Changing radio type 10 Remapping the steering wheel control buttons 10 Dualassignmentinstructions longbuttonpress 11 12 Troubleshooting 12 GM Data Interface with SWC 2000 2013 APPLICATIONS See inside front cover Provides accessory power 12 volt 10 amp Retains R A P retained accessory power P...

Page 2: ...ra Classic 2007 TopKick C4500 C8500 2005 2009 Yukon Yukon XL 2003 2006 HUMMER H2 2003 2007 H3 H3t 2006 2010 ISUZU Ascender 2003 2008 H Series 2003 2008 I Series 2006 2008 OLDSMOBILE Alero 2001 2004 Bravada 2002 2004 Intrigue 2002 PONTIAC Aztec 2001 2005 Grand Am 2001 2005 Grand Prix 2004 2008 Montana SV6 2005 2006 Sunfire 2000 2005 SAAB 9 7x 2005 2009 SATURN Relay 2005 2007 These vehicles have a d...

Page 3: ...re 2 speed sense wires If the Blue Pink wire on the AX GMCL2 SWC harness is populated on the factory side use that wire instead Connect the Green Purple wire to the reverse wire Connect the Light Green wire to the parking brake wire Tape off and disregard the following 4 wires they will not be used in this application Green Green Black Purple Purple Black From the AX GMCL2 SWC harness to the after...

Page 4: ...eel controls Refer to the OnStar level Adjustment section for further instructions Connect the Red and White RCA jacks to the audio AUX IN jacks of the aftermarket radio The DIN jack is to be used with the optional AX LCD sold separately Connect the Red wire to accessory power Continue to 3 5mm jack steering wheel control retention Attention This interface will work with models that are either non...

Page 5: ...rately Connect the Red wire to accessory power Continue to 3 5mm jack steering wheel control retention Attention This interface will work with models that are either non amplified analog amplified or digital amplified Please follow the instructions carefully for your model vehicle Failure to do so will result in either no sound or low sound If you are unsure if your vehicle is factory ampli fied o...

Page 6: ... to the Brown White wire of the connector If the radio comes with a third wire for ground disregard this wire Note After the interface has been programmed to the vehicle refer to the manual provided with the radio for assigning the SWC buttons Contact the radio manufacturer for more information For all other radios Connect the 3 5mm jack from the AX GMCL2 SWC into the jack on the aftermarket radio...

Page 7: ...tion for proper operation before reassembling the dash 10 If the interface fails to function refer to Resetting the AX GMCL2 SWC then resume from step 7 Notes PTT OnStar when pressed will Mute Attenuate the radio PTT OnStar when pressed and held for 2 seconds will activate OnStar if applicable For all other applications For the steps below the L E D located inside the interface can only be seen wh...

Page 8: ...vel If the vehicle does not come equipped with steering wheel controls locate the Black Yellow wire on the AX GMCL2 SWC harness While OnStar is speaking tap the Black Yellow wire to ground Once the OnStar level is set it will stay at that level until the Black Yellow wire is tapped to ground again AUX IN RSE and SAT If your vehicle comes equipped with AUX IN rear seat entertainment or satellite ra...

Page 9: ...er For example if you are installing a JVC radio the AX GMCL2 SWC will flash 5 times Following is a legend that dictates which manufacturer corresponds to which flash L E D feedback legend Note If the AX GMCL2 SWC flashes Red 7 times and you do not have an Alpine radio connected to it that means the AX GMCL2 SWC does not detect a radio connected it Verify that the 3 5mm jack is connected to the co...

Page 10: ...onds this process will abort Continued on the next page Attention The Axxess Updater App can also be used to program the following 3 sub sections as well pending that the interface has been initialized and programmed Radio legend 1 Eclipse Type 1 2 Kenwood 3 Clarion Type 1 4 Sony Dual 5 JVC 6 Pioneer Jensen 7 Alpine 8 Visteon 9 Valor 10 Clarion Type 2 11 Metra OE 12 Eclipse Type 2 13 LG 14 Parrot ...

Page 11: ...program the button s to your liking Note Seek Up and Seek Down come pre programmed as Preset Up and Preset Down for a long button press 1 Turn on the ignition but do not start the vehicle 2 Press and hold down the steering wheel control button that you want to assign a long press function to for about 10 seconds or until the L E D flashes rapidly At this point release the button the L E D will the...

Page 12: ...o perform troubleshooting steps before calling AxxessInterfaces com COPYRIGHT 2018 METRA ELECTRONICS CORPORATION REV 7 24 18 INSTAX GMCL2 SWC INSTALLATION INSTRUCTIONS AX GMCL2 SWC Resetting the AX GMCL2 SWC 1 The Blue reset button is located inside the interface between the two connectors The button is accessible outside the interface no need to open the interface 2 Press and hold the reset butto...

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