C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

C5 Antenna & reception

Thread Tools
 
Search this Thread
 
Old Feb 28, 2017 | 02:28 AM
  #1  
C5 Newb's Avatar
C5 Newb
Thread Starter
Racer
 
Joined: Nov 2016
Posts: 351
Likes: 13
From: Payson AZ
Default C5 Antenna & reception

Does anyone else have problems with reception in their C5?
Leaving Phoenix (which has many strong FM stations) today once I get about 30-40 miles outside the city I lose reception.

I have never had a vehicle with worse radio reception.

Is this a common issue? I didn't find anything with a search so I thought maybe it isn't.

Can an after market antenna be installed? A power one in a rear quarter panel or something? It sucks not having a decent radio.

Couldn't get a strong AM station to come in either at the same distance.

Last edited by C5 Newb; Feb 28, 2017 at 02:29 AM. Reason: added content
Reply
Old Feb 28, 2017 | 07:36 AM
  #2  
LannyL81's Avatar
LannyL81
Melting Slicks
20 Year Member
Conversation Starter
 
Joined: Nov 2005
Posts: 3,323
Likes: 142
From: Green Valley Arizona
Default

Before adding anything, I suggest checking the antenna coax connections, at the antenna and at the head unit. Might just be a bit loose.

Hopefully the coax has not been damaged as I would not like to have to try to re-thread a new coax from head unit to antenna.
Reply
Old Mar 1, 2017 | 01:01 AM
  #3  
Rabbitman's Avatar
Rabbitman
Racer
 
Joined: Aug 2016
Posts: 317
Likes: 42
Default

Originally Posted by LannyL81
Before adding anything, I suggest checking the antenna coax connections, at the antenna and at the head unit. Might just be a bit loose.

Hopefully the coax has not been damaged as I would not like to have to try to re-thread a new coax from head unit to antenna.
Do mice ever get into the coax cables? I don't know what flavor they are.
Reply
Old Mar 1, 2017 | 11:05 AM
  #4  
jcgunn's Avatar
jcgunn
Melting Slicks
20 Year Member
Veteran: Air Force
Liked
Community Favorite
 
Joined: Mar 2004
Posts: 2,411
Likes: 412
From: Horseshoe Bend ID
Default

You might try searching the audio forum. There are lots of posts about antennas, boosters and the like. The coupe has a different system than the vert (and I think the Z06 might have a different setup too)
Reply
Old Mar 3, 2017 | 04:03 PM
  #5  
C5 Newb's Avatar
C5 Newb
Thread Starter
Racer
 
Joined: Nov 2016
Posts: 351
Likes: 13
From: Payson AZ
Default

Originally Posted by jcgunn
You might try searching the audio forum. There are lots of posts about antennas, boosters and the like. The coupe has a different system than the vert (and I think the Z06 might have a different setup too)
Ok, thanks. To be honest I never scolled that far down...

I always stopped at the c5 section.

I will check it out, thanks again
Reply
Old Mar 3, 2017 | 10:10 PM
  #6  
Vetteman Jack's Avatar
Vetteman Jack
Administrator
Supporting Lifetime
Veteran: Navy
St. Jude 20 Year Donor
25 Year Member
Veteran: Reserves
 
Joined: Mar 2001
Posts: 368,390
Likes: 24,791
From: In a parallel universe. Currently own 2014 Stingray Coupe.
C7 of the Year - Modified Finalist 2021
MO Events Coordinator
St. Jude Co-Organizer
St. Jude Donor '03 thru '26
NCM Sinkhole Donor
CI 5, 8 & 11 Veteran
Default

The reception in my C5 coupe is actually pretty decent, but I tend to believe that some radio stations broadcast in a directional mode and if you fall outside that area, obviously reception would be degraded.
Reply
Old Mar 4, 2017 | 12:24 PM
  #7  
c4cruiser's Avatar
c4cruiser
Team Owner
20 Year Member
Veteran: Army
 
Joined: Dec 1999
Posts: 34,873
Likes: 487
From: Lacey WA RVN 68-69
NCM Sinkhole Donor
Default

FM radio reception can depend on the location of the transmitter as well as any obstruction that may be within the broadcast area. Not all FM stations have the same transmitting power; maybe the stations you listen to are not very powerful?

Here in my area, there is one FM Station in town that I listen to but reception is only about 20-30 miles. Yet there are other FM stations that are 60-90 miles away, and they are loud and clear.

The C5 coupe has two FM antennas; one in the upper part of the windshield (like a lot of other cars) and a second one in the forward part of the rear hatch window. The convertibles and the Z06 have mast-type antennas with the 'vert antenna being retractable and the Z06 has a fixed-mast.
Reply
Old Mar 5, 2017 | 08:24 PM
  #8  
tbrowne's Avatar
tbrowne
Pro
20 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Mar 2004
Posts: 714
Likes: 104
From: Springfield Ohio
Default

FM is line of sight transmission. If you drive over the horizon or into a valley you'll lose the signal. 30 miles is about the max on FM. That said, antennas in the glass haven't ever been the best for signal reception.

Also there is an antenna module in the panel behind the drivers seat, right about where the seatbelt mounts to the floor. Cleaning the connection on the module can greatly improve the signal quality.

See Post #8 in the link below:

https://www.corvetteforum.com/forums...reception.html
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Mar 6, 2017 | 02:16 PM
  #9  
ApexerER's Avatar
ApexerER
Pro
 
Joined: Mar 2009
Posts: 525
Likes: 21
Default

The reception in my 03 Z06 is awful.....I have always had a shorty antenna on it so I always figured that was why. Can't wait to get my radio upgrade from DD mods so I can stream music...
Reply
Old Mar 8, 2017 | 02:50 PM
  #10  
Drewstein's Avatar
Drewstein
Melting Slicks
10 Year Member
 
Joined: Feb 2006
Posts: 3,191
Likes: 43
From: Scottsdale Az
Default

Originally Posted by tbrowne
FM is line of sight transmission. If you drive over the horizon or into a valley you'll lose the signal. 30 miles is about the max on FM. That said, antennas in the glass haven't ever been the best for signal reception.
I've never had good reception leaving phoenix as it's in a valley so 40 miles out you're in the mountains and as you said, radio doesn't work that way.

When I'm driving out of town I just Bluetooth my phone and listen to downloaded tunes. This goes for any of my vehicles.
Reply
Old Aug 23, 2024 | 09:38 AM
  #11  
huesmann's Avatar
huesmann
Burning Brakes
10 Year Member
Photogenic
Liked
Loved
 
Joined: Jul 2013
Posts: 1,008
Likes: 57
From: Kensington MD
Default

Originally Posted by tbrowne
FM is line of sight transmission. If you drive over the horizon or into a valley you'll lose the signal. 30 miles is about the max on FM. That said, antennas in the glass haven't ever been the best for signal reception.

Also there is an antenna module in the panel behind the drivers seat, right about where the seatbelt mounts to the floor. Cleaning the connection on the module can greatly improve the signal quality.

See Post #8 in the link below:

https://www.corvetteforum.com/forums...reception.html
Looks like the photos in that post have gone the way of the dodo...any replacements?
Reply
Old Aug 23, 2024 | 09:54 AM
  #12  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,470
Likes: 1,171
From: Dyer, IN
Default

Originally Posted by huesmann
Looks like the photos in that post have gone the way of the dodo...any replacements?
The service manual is pretty clear on the location for the antenna module with a good drawing.

Look under: Accessories>Entertainment>Repair Instructions>Antenna Module Replacement
Reply
Old Aug 23, 2024 | 10:17 AM
  #13  
spfautsch's Avatar
spfautsch
Pro
All Eyes On Me
Liked
Loved
 
Joined: Apr 2018
Posts: 563
Likes: 201
From: Montgomery City, MO
Default

I'll have to look into the antenna module - my assumptions on the coupe were that the one on the windshield is for FM and the grid on the rear hatch glass is tuned for AM.

Whatever the case, just to add a bit to the discussion - when I bought mine the windshield was tinted (a serious no-no here in Missouri). While removing the glue from the tint I accidentally hit the conductive stripe and cut it just a few inches from the center on one side. Reception has sucked ***** since then.
Reply
Old Aug 23, 2024 | 10:54 AM
  #14  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,470
Likes: 1,171
From: Dyer, IN
Default

Originally Posted by spfautsch
I'll have to look into the antenna module - my assumptions on the coupe were that the one on the windshield is for FM and the grid on the rear hatch glass is tuned for AM.

Whatever the case, just to add a bit to the discussion - when I bought mine the windshield was tinted (a serious no-no here in Missouri). While removing the glue from the tint I accidentally hit the conductive stripe and cut it just a few inches from the center on one side. Reception has sucked ***** since then.

Reply

Get notified of new replies

To C5 Antenna & reception





All times are GMT -4. The time now is 10:09 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE