C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Feb 20, 2006 | 04:25 PM
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Default Is it true?

I have checked out some threads on good location to mount my XM antena. One good location looked like behind the rear tail light. I checked out my service manual to see how to get the tail light out. The manual says I have to remove the rear facia to access the tail light. I am sure not going to go through all that to mount my antena. But holly crap, if one of my tail lights burn out is rear facia removal realy nescessary?
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Old Feb 20, 2006 | 04:54 PM
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Originally Posted by garkahn90
I have checked out some threads on good location to mount my XM antena. One good location looked like behind the rear tail light. I checked out my service manual to see how to get the tail light out. The manual says I have to remove the rear facia to access the tail light. I am sure not going to go through all that to mount my antena. But holly crap, if one of my tail lights burn out is rear facia removal realy nescessary?


I'm also looking for a good Sirius antenna location, but didn't see an easy way into the rear bumper.
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Old Feb 20, 2006 | 05:22 PM
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As I understand is you can get to the lights by way of the gas hatch, with realy small hands.( yet another reason I went to a "91" tail) and my replacement bulbs will be LEDs.
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Old Feb 20, 2006 | 05:23 PM
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I had to change the bulbs in the tail lights on my 85. I removed my license plate to do so. The other route was form under neath the car. It wasn't an easy job, but I was able to do it without taking any major item apart.
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Old Feb 20, 2006 | 05:26 PM
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I'll be looking at the same thing in a few months. Right now I'm still "testing" the sirius unit on my truck. I'm really not impressed with the antenna assembly; the whole radio hook-up could best be described as Ho-Key (I HATE wires dangling everywhere). I've heard that some have put the antenna under a steeply raked windshield without too much drop-out.

Ya know we (corvettes) don't have a ground plane (sheet metal surface), right?
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Old Feb 20, 2006 | 11:39 PM
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Just put it on the dash.
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Old Feb 21, 2006 | 03:16 AM
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Originally Posted by DanZ51
I'll be looking at the same thing in a few months. Right now I'm still "testing" the sirius unit on my truck. I'm really not impressed with the antenna assembly; the whole radio hook-up could best be described as Ho-Key (I HATE wires dangling everywhere). I've heard that some have put the antenna under a steeply raked windshield without too much drop-out.

Ya know we (corvettes) don't have a ground plane (sheet metal surface), right?
You can make your almost ideal groundplane yourself. Just connect two quarter wave wires (what the heck are that? just plane wires that are 70 cm long) from the ground connection directly under the antenna (the mounting screw that normally connects to the metal plate of a tin acn car) and route these wires as free as possible, especially at the ends. Do not route te wires together, spread them if possible. So if you tape or glue them to the undersite of the GF and take care that the last part does not come too close to metal like other wires, they really act as a very good ground plane for FM band frequencies.
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Old Feb 21, 2006 | 05:56 AM
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Originally Posted by Z-07 freak
Just put it on the dash.
yea , Iv'e had mine on the dash of my 95 for years, (far left hand corner right near windshield).....for some reason I get even better reception than the XM antenna on my wifes car , and we have hers on the outside in the recomended location.....
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Old Feb 21, 2006 | 12:16 PM
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I really have not considered placing the antena on the dash. The installation instruction sugest the antenna works best when mounted on a steel surface. One place I found that I am going to try is on the bottom side of the fuel door. Its steel and my car, at one time, had a CB antenna mount on the top of the fuel door so I can use the old cable to pull the new XM wire through to the inside.
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Old Feb 21, 2006 | 04:32 PM
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Originally Posted by Z-07 freak
Just put it on the dash.
that is where i have mine and it works well enough
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Old Feb 21, 2006 | 05:18 PM
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Originally Posted by garkahn90
I have checked out some threads on good location to mount my XM antena. One good location looked like behind the rear tail light. I checked out my service manual to see how to get the tail light out. The manual says I have to remove the rear facia to access the tail light. I am sure not going to go through all that to mount my antena. But holly crap, if one of my tail lights burn out is rear facia removal realy nescessary?
Think my book said to go in through the license plate area to replace light bulb. Any way you could squeeze antenna in there? How about gas hatch? Wrap in a baggy. Was offered one of these radios and turned it down just because of these problems. Driving the Vette is entertaining enough for me.

Would think the further away from the engine the better. Remember all the plug wire shielding on the earlier models? Not as much on C4.
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Old Feb 21, 2006 | 05:18 PM
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Originally Posted by Z-07 freak
Just put it on the dash.
Thats what I did!
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Old Feb 21, 2006 | 05:30 PM
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Originally Posted by Z-07 freak
Just put it on the dash.

Worthless if you have a ZR-1 or a B2K car with the laminated windshield.

You should be able to mount it underneath the rear bumper and still get a signal. Check the audio section.
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Old Feb 21, 2006 | 06:40 PM
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I have my XM antenna mounted on the roof of my truck and under the fiberglass fairing of my Harley Davidson Ultra. I can tell no difference in the reception between the two.

I haven't taken the time yet to put it on my vette, but my experience so far has been that placement is less critical than it seems. I have an indoor antenna (not much larger than the ones on the bike and truck) that receives a signal almost anywhere in the house. Just be creative and experiment with placement with your car in your driveway. You might be surprised where you can hide it...... and then let me know what you discover.

Rat
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Old Feb 21, 2006 | 08:37 PM
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Driving the Vette is entertaining enough for me.
I can readily agree with you on this (I drove various s-boxes over the years with NO radio)

But the FM reception in my Vette blows, especially in my neck-of-the-woods. (insert dueling banjos icon here)

'86 Z51 suspension doesn't take much to skip a CD (wait 'til I upgrade to 17"/ 18" rims )

I hate chasing CD's around the passenger's seat

SO, satellite radio may hold some promise here.
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Old Feb 21, 2006 | 08:44 PM
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Originally Posted by DanZ51
I can readily agree with you on this (I drove various s-boxes over the years with NO radio)

But the FM reception in my Vette blows, especially in my neck-of-the-woods. (insert dueling banjos icon here)

'86 Z51 suspension doesn't take much to skip a CD (wait 'til I upgrade to 17"/ 18" rims )

I hate chasing CD's around the passenger's seat

SO, satellite radio may hold some promise here.
One other thing that you can consider is to record your entire music collection (up to 7500 songs) on a I-pod and hook that into the audio system .... no CD skip .... no reception issues. I'm thinking of doing this on my 95.
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Old Feb 21, 2006 | 11:45 PM
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I ran the xm antenna wire under the carpet and it sits on the screw by the hatch latch inside the car. Works perfect.
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