Found optimum spot to mount Sirius antenna on C6 Z06 :)

Vette-Pilot · 01-04-2009, 06:37 PM

Hello everyone,

I recently purchased a 2007 C6 Z06 with NAV and XM. I switched to Sirius using the SIR-GM1 Sirius tuner.

I first tried the XM antenna but it did not perform as well as I wanted. I tried mounting the Sirius antenna on top of the rear tail light opening (inside the rear fascia), like I had it on my C5 Coupe, but it didn't perform well either

I then mounted the Sirius antenna to the top of the headliner, almost dead center, and it works awesome! No more loss of signal

Of course you couldn't do this on a coupe since the Top is removable

I just removed the trim piece at the rear of the headliner and used double sided tape and duct tape to secure the antenna and the wire to the top of the headliner. It only took me about 30 minutes to perform the install and I was taking my time

If you have the same setup (Stock radio with SIR-GM1 tuner on a Z06) and are having reception problems then give this a try. It is working great for me

BuckyThreadkiller · 01-04-2009, 08:49 PM

Just curious - but aren't XM and Sirius pretty much the same programming now? Why not retain the stock system?

Vette-Pilot · 01-04-2009, 09:44 PM

There are a few stations that Sirius has that XM does not, plus I already have an account with Sirius and I just switched it to this tuner for a $15.00 transfer fee

Personally, I also think that Sirius sounds better than XM

BuckyThreadkiller · 01-05-2009, 12:12 AM

Where did you mount the tuner?

Vette-Pilot · 01-05-2009, 04:54 AM

It is the SIR-GM1 tuner that replaces the XM tuner in the left side of the rear compartment.

This post shows an installation in a C6 coupe just to give you an idea of what is involved. It is pretty much plug and play

SIR-GM1 Install

Leroy Amy · 01-16-2009, 08:53 AM

Quote:

Originally Posted by Vette-Pilot

Hello everyone,
Which antenna did you use , a home base or the car mount that came with the sir-gm unit?

Thank You

I recently purchased a 2007 C6 Z06 with NAV and XM. I switched to Sirius using the SIR-GM1 Sirius tuner.

I first tried the XM antenna but it did not perform as well as I wanted. I tried mounting the Sirius antenna on top of the rear tail light opening (inside the rear fascia), like I had it on my C5 Coupe, but it didn't perform well either

I then mounted the Sirius antenna to the top of the headliner, almost dead center, and it works awesome! No more loss of signal

Of course you couldn't do this on a coupe since the Top is removable

I just removed the trim piece at the rear of the headliner and used double sided tape and duct tape to secure the antenna and the wire to the top of the headliner. It only took me about 30 minutes to perform the install and I was taking my time

If you have the same setup (Stock radio with SIR-GM1 tuner on a Z06) and are having reception problems then give this a try. It is working great for me

Which antenna did you use , a home base or the car mount that came with the sir-gm unit?

Thank You

canyon lake corvette · 02-11-2009, 12:02 AM

I like your idea of mounting to roof, couldnt a guy with a coupe mount it to the roof bow? maybe post a pic of yours?

Quote:

Originally Posted by Vette-Pilot

Hello everyone,

I recently purchased a 2007 C6 Z06 with NAV and XM. I switched to Sirius using the SIR-GM1 Sirius tuner.

I first tried the XM antenna but it did not perform as well as I wanted. I tried mounting the Sirius antenna on top of the rear tail light opening (inside the rear fascia), like I had it on my C5 Coupe, but it didn't perform well either

I then mounted the Sirius antenna to the top of the headliner, almost dead center, and it works awesome! No more loss of signal

Of course you couldn't do this on a coupe since the Top is removable

I just removed the trim piece at the rear of the headliner and used double sided tape and duct tape to secure the antenna and the wire to the top of the headliner. It only took me about 30 minutes to perform the install and I was taking my time

If you have the same setup (Stock radio with SIR-GM1 tuner on a Z06) and are having reception problems then give this a try. It is working great for me

nextime · 02-11-2009, 12:13 PM

Under the cowl is an excellent area too.

canyon lake corvette · 02-11-2009, 05:01 PM

does anybody know whether a sirius or gps antenna can be mounted "upside down" say on the roofbow inside the car?

nextime · 02-11-2009, 06:18 PM

As long as you drive the car upside down I would say yes!

No the antenna for best reception is designed to be installed pointing up. However with years of GPS installations with remote GPS antennas you can mount it the way you wish by using silicone to attach it.

As long as the antenna is not covered by metal you can mount it anywhere. One of the best hidden places is under the cowl.

Jimmy 2 Times · 02-11-2009, 11:35 PM

mine has been in the center of the dash under the grill for 1.5 years with no problem, same as my gps antenna

pentavolvo · 02-12-2009, 12:02 AM

ive mounted tons of antennas upside down never an issue

canyon lake corvette · 02-12-2009, 07:51 PM

gps and sat radio? Ive gotten conflicting reports as to whether you can or cant, I hope you are right lol

Quote:

Originally Posted by pentavolvo

ive mounted tons of antennas upside down never an issue

pentavolvo · 02-12-2009, 07:54 PM

both, this is coming from an installer with years of experience

never once have i had a problem with an upside down antenna

i mount them up by the mirror all the time upside down

nextime · 02-12-2009, 08:09 PM

I guess these are not as sensitive as GPS tracking antennas then. I know the GPS tracking antennas will loose Satellite a lot if installed upside down.

Good thing to know.

JT-C6 · 02-15-2009, 10:22 PM

It may work OK upside down but its designed to work right side up and is only working because its getting reflections off things which are clearly going to be weaker than the original source.