Another bad FM reception thread

KevinL · 11-11-2011, 01:52 PM

After a recent service on my ML350 I re-entered my radio pin and found I had poor FM reception. Could be coincidence but I am unsure. All that I did to the car was change a relay for the fans under the hood.

CD works fine but FM can not find stations when scanning and if I pick a station volume is very low. I understand it could be the Antenna or maybe an amplifier? Logic suggests antenna to me. So my questions are....

What should I do to trouble shoot?

Where is the antenna located?

Is it in the rear bumber (I have bumper cracks and a hole) or the rear window?

Miss my radio as I use the FM with a bluetooth transmitter for hands free (And Pandora from the iphone)

If it is a big hot mess to fix is their an aftermarket that will fit in and offer bluetooth or at least an aux port? with Nav of course as I have it now...

Thanks for any help you can porovide

Kevin

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KevinL · 11-12-2011, 08:08 AM

From time to time the radio comes back up to full volume for a second or two... Like a short.....

BryanW203 · 11-14-2011, 10:06 AM

How many miles, I say either amplifier of a short in the antenna wire where is goes from the car to the hatch.

KevinL · 11-30-2011, 10:19 AM

Thanks Bryan,

Cd and Nav have full sound. Is there a diagram of where the antenna wire runs available?

Kevin

Maj. Dundee · 12-01-2011, 03:31 PM

Quote:

Originally Posted by KevinL

Thanks Bryan,

Cd and Nav have full sound. Is there a diagram of where the antenna wire runs available?

Kevin

Tha AM/FM antenna is in the tailgate, but your problem is probably a partially broken coax cable in the upper right corner or the tailgate.

KevinL · 12-02-2011, 02:45 PM

Thanks for the info. I will post a pic of my tailgate, looks a little different unless your posted picture does not show a cover wrap on the wires. What should I look for?

Maj. Dundee · 12-02-2011, 10:24 PM

Quote:

Originally Posted by KevinL

Thanks for the info. I will post a pic of my tailgate, looks a little different unless your posted picture does not show a cover wrap on the wires. What should I look for?

You will have to remove the wire loom to reveal the coax cable. Look at the point where the cable takes a bend. If it isn't obvious, you will have to manipulate the cable while the radio is on to check for returning reception.

11-14-2011, 10:06 AM	#3
BryanW203 Member Garage is empty, add now Join Date: Jun 2006 Posts: 194	How many miles, I say either amplifier of a short in the antenna wire where is goes from the car to the hatch. __________________ 2006 S600 - Rocket Couch 1997 Nissan 240sx - Turbo toy.

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11-12-2011, 08:08 AM	#2
KevinL Junior Member Garage is empty, add now Join Date: Dec 2005 Posts: 35	From time to time the radio comes back up to full volume for a second or two... Like a short.....

11-30-2011, 10:19 AM	#4
KevinL Junior Member Garage is empty, add now Join Date: Dec 2005 Posts: 35	Thanks Bryan, Cd and Nav have full sound. Is there a diagram of where the antenna wire runs available? Kevin

12-02-2011, 02:45 PM	#6
KevinL Junior Member Garage is empty, add now Join Date: Dec 2005 Posts: 35	Thanks for the info. I will post a pic of my tailgate, looks a little different unless your posted picture does not show a cover wrap on the wires. What should I look for?

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12-02-2011, 10:24 PM