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08-23-2007, 05:04 PM
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Hummer Authority
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Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
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Re: Where is Your XM Antenna Installed
Quote:
Originally Posted by Spuds
Mine is on the dash, driver side corner by the windshield, behind the registration stickers.
That doesn't look right to me. I thought they were supposed to be outside on the roof???
But mine was a demo, so it may have been a temporary install. And it does cut out on me once in a while.
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thats weird its supposed to be up there with the xm antenna. its actually hte same little thing, has two antenas in it.
maybe the dealer did some fancy shmancy thing, why not ask them to move it back if your loosing reception?
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08-24-2007, 05:11 AM
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Hummer Veteran
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Join Date: Apr 2007
Posts: 221
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Re: Where is Your XM Antenna Installed
I have aftermarket XM. Installed the antenna under the passenger fake plastic air cover up where hood meets windshield. I have my nav antenna under the other one. No drops on either signal here. The stock XM antenna is supposed to be installed in the middle of the dash near the center A/C tubes.
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08-28-2007, 06:05 PM
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Hummer Veteran
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Join Date: Feb 2007
Location: Houston (The Heights)Texas <'))))>?{ . N 29.47.89 W 95.25.71
Posts: 155
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Re: Where is Your XM Antenna Installed
I thought they were supposed to outside on the roof?
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08-28-2007, 08:15 PM
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Hummer Veteran
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Join Date: Apr 2007
Posts: 221
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Re: Where is Your XM Antenna Installed
Seems to do fine where I have it.
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08-28-2007, 10:53 PM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Where is Your XM Antenna Installed
I have a little antenae on the roof, above the front passenger seat. I assumed that was XM and On-Star. Is that right?
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2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack
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08-29-2007, 12:15 AM
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Hummer Veteran
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Join Date: Apr 2007
Posts: 221
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Re: Where is Your XM Antenna Installed
That is the Onstar antenna. The XM antenna is mounted in the dash near the center A/C outlet tubes.
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09-01-2007, 12:01 AM
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Hummer Authority
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Join Date: Oct 2005
Location: Atlantic City NJ
Posts: 1,453
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Re: Where is Your XM Antenna Installed
I have the Factory Nav and OnStar which are in the same Shark Fin Antenna. When you order factory Nav,Onstar,XM...it all comes in the Shark Fin Antenna on the Passenger side front roof.
Mine only came with OnStar and Nav. The Dealer XM add on placed my small box shaped XM \ antenna on the very front center of the roof with the lead wire tucked under the rubber windshield molding that leads into the cabin to the radio XM module.
After I added the Roof Marker Lights ,the XM antenna was moved directly behind and centered up against the Marker Light rear base.
The Antenna likes the roof mount the best ..as the large metal roof area acts as the receiving "Ground Plane" that reflects the signal to the antenna. Best recption will be found on the roof even though it will work inside,..... the roof is still the best place.
Last edited by Viet Nam Vette : 09-01-2007 at 12:03 AM.
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