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Discussion Starter · #1 · (Edited)
I have a 2007 Chevrolet Impala LTZ. I bought it used. I can not seem to get the radio to switch over to XM radio. I have the antenna on my roof, and the trunk has the XM receiver (or what seems to be)...I have it activated on a 2 month trial basis and nothing comes through..I push Band and it goes between AM and FM.

Linked below is a picture of the car (you can see the XM antenna)

and
The XM receiver that is in my trunk
 

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Discussion Starter · #4 ·
Wonder if your car had the unit replaced with one that isnt xm compatible? Does your unit have the cat button above eject?
Should be pressing the band button to get to xm stations. Did you look to see if there was a way to turn it on or off? Any after market wiring done like after market amps?

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I do have a cat button above eject...Now that you are saying about that-there are wires, under my backseat-when i flip it up-they are cut, but they are thick as hell, and are ground wires. When I push CAT it says XM Feature. But when I push Band it goes from FM to AM...I do have XM favorites on my favorite list-but none work.
 

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Discussion Starter · #5 ·
How did you get the XM ID to activate it? Did it show on the radio display (it should have). If the radio display showed the XM ID, then the radio is definitely XM-compatible. If you had to read the XM ID off of the XM tuner in the trunk, then you probably don't have the correct radio installed (for whatever reason).

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I used my VIN instead-it has an activation feature through Sirius XM using the VIN
 

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Discussion Starter · #6 ·
How did you get the XM ID to activate it? Did it show on the radio display (it should have). If the radio display showed the XM ID, then the radio is definitely XM-compatible. If you had to read the XM ID off of the XM tuner in the trunk, then you probably don't have the correct radio installed (for whatever reason).

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And-When I talked with someone from SiriusXM they gave me my radio ID-and its LAWUN08W-which is the last digits on the sticker in the trunk unit.
 

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Discussion Starter · #8 ·
So you can't get the XM radio ID to show on the radio display? You should be able to. If you can't even see Radio ID on the radio screen then it sounds like there might be something wrong with the radio - or the radio isn't communicating with the XM radio in the trunk for some reason... It sounds like you have the correct radio though. Strange.

Pressing the Band button should definitely take you to the XM tuner - even if not activated (that's how you get your XM radio ID - by switching to the XM band before activated).

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That is correct. Unable to access my ID on the radio. Bought the car used-and chevy wants 125.00 to just look at it-plus w/e it costs to fix it
 

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Discussion Starter · #11 ·
Sorry having computer issues. That is only half my answer lol.... For your radio to XM there should be 5 wires running between them...

Left Audio + Brown/White
Left Audio - Dark Green
Right Audio + Dark Green/White
Right Audio - Grey/Black

Another Dark Green is GMLAN Low Speed data
______________________________________________________________
Then on the XM there should be Red/White for power
Black/White for ground
Also plugged in should be the Coax for the antenna.

James
I'll have to have a look at that then thanks!
 

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Discussion Starter · #15 ·
techchef, I am no electronics wiz but if it turns out your radio is bad I have the factory stock radio which I removed from my 13 LTZ I'd be glad to give to a fellow forum member. Also just a quick note here, Jtrosky, and myself, and others have been upgrading our radios to the Rosen GM PD1010 radios with nav. They can be found on eBay from a seller called Memory-U. Usually around $150.00 for radio, Bose harness, and GPS antenna. Search "Rosen" in the forums and the thread should be listed.
Much appreciated-I contacted a friend at Chevy and waiting to hear back from them-seeing if its something obvious i am missing...If it comes down to being a shit radio-I may take you up on that offer...
 

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Discussion Starter · #19 ·
Just remember that if you get someone elses stock radio, you're going to have to pay a GM dealership to reprogram it for your vehicle. Personally, I would just put that money towards a Rosen instead - you'll be MUCH happier with the Rosen anyway (in every aspect)!

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OK-So I took it to where i bought it and they..err..can't seem to figure it out...they say that since i have the antenna and i have the receiver that it should be working...(yeah-they were not a real big help)...Pretty much I am down to three options...
1)I wait it out-take it to Chevy and pay 95+ dollars and have them tell me WTH is wrong with it
2)I take NY13LTZ up on his offer, and pay Chevy to reprogram it
3)I get this Rosen...

Question about the Rosen, Do I have to run any specific wires-or do all the ones that are with the car already work?
 

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Discussion Starter · #21 ·
Techchef me personally I would do the Rosen upgrade. That's what I did and why my stock radio is in a box. Personally Jtrosky is right. Do the Rosen!
Now here is the biggest dilemma-Say it is the XM receiver in the trunk that is bad instead...and the radio is actually 100% fine?
 

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Discussion Starter · #24 ·
Not a problem. If it does turn out to be a bad radio send me a private message with your shipping information and I will be happy to send it right out to you. In all actuality it is a brand new radio out of the box. I had to have mine replaced under warranty because it was not releasing my CDs. So the dealership replaced it with a new unit.
I am gonna take you up on this offer...Its worth a try...I contacted Sirius XM and they said they did everything they could do on their end...
 

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Discussion Starter · #26 ·
I thought I would ask seeing I didn't hear about the unit being tested or looking at your OnStar fuse? Does your onstar work if your press your onstar button? You can always press it and then say sorry it was an accident your adjusting your mirror!

Also did you test the Red/White wire back at the XM box also make sure that the Ground wire is good and connected? Again didn't hear anything about testing the unit.

I was happy to see that you pulled the headunit and made sure your Wires were connected, But just need a little more testing before Buying a Reprogram of another persons radio...

I would hate to see you connect it and pay to program and have it not be the issue after all...

James

To Test it, If you have a DMM or test light you could get to the wires without removing the unit. However to be safe, I would remove XM from car mount, lay unit down, Test it by back probing the connector. Also checking the ground at the unit and follow the ground to where it makes the connection to the Body and and make sure it is well grounded. Problem is that if you unplug it and test (Front probe) it could be that there is power enough to power test light but not enough to power the XM box.. Even though it don't take much power.

If you don't have DMM or Test light you might have someone at a Local Car Stereo shop do the testing for you... Some may do it with hopes you will come back and buy some upgrades. Some people may charge a Flat rate or Shop rate for testing.. Sadly there is in some cases if they not very kind. A minimum of an hour labor even if it takes 1 min.
Yes On Star works, no i did not test the wires-but i will do that first thing in the morning-when I have light.
 

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Discussion Starter · #27 ·
Yes On Star works, no i did not test the wires-but i will do that first thing in the morning-when I have light.
as it turns out-I don't have a DMM anymore-but 2 dayed one from Amazon :)...I had one but I think I lent it out and never got it back...(last time i do that!)
 

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Discussion Starter · #29 ·
Just wanted to give you all an update...As it turns out-the previous owner took the XM fuse out...(On-Star still worked-so i didn't think it was the fuse)..so 47.00 later-and Chevy had it fixed...Cause I went there to have them program the radio. Thanks for all help provided...
 

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Discussion Starter · #32 ·
Guess the DMM didn't get to you, Sorry you had to pay for a Missing fuse... That is why I was trying to get you to test for power at the XM unit...

However I am a little Lost really. Your car is a 2007, and only fuses I know that goes to the XM box is the ONSTAR 10amp and 60amp main fuses that is used for the XM, Onstar, and Garage Door control if there is one for your car... Looked over all other fuses and there just don't show anything inside or under hood just for XM?

Well glad you got it working. Lucky 47 isn't that much to pay for Non Stop Music..

Enjoy
James
the DMM was reading fine...And I am too-cause That is the first thing I looked up about-it said on other forums and information i read that if Onstar works-its not the fuse..But Chevy said it was a fuse-got it working and all...

and @ NY13LTZ Yes-Works great!
 
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