Question about 1994 BMW 5 Series

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Radio/Speaker Problem The radio in my '94 530i started sounding funny (fuzzy) and shortly after no audio would come out. The radio seems to work for a second or two when turned off for a while and then turned back on. Would a blown speaker cause the radio to go into a safety mode? Please help as I drive a long way each day and miss my radio. It's the radio that is hooked up to the CD player in the trunk, if that helps. Thanks!

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Check your radio and trunck to see if you have a equalizer/amplifier built in or otherwise.Adjustments would cause radio to go into safety mode.Try your balance from side to side.A busted speaker would cause the fuzzy sound or a shorting speaker wire.If none of this is your problem you may need to take it to a sound specialist.

Posted on Apr 20, 2009

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1 Answer

Having trouble with all my speakers except my twitters in a 2007 Saturn Outlook...what do I start with? Fuses are good


Speakers get power from the amp if your system has one or from the radio , if the tweeters work it's not a fuse problem . You like listen to your stereo loud . Blew a channel in the radio or amp ?
Take it and have it checked for DTC'S - diagnostic trouble codes
DTC B1025 01: Audio Output 1 Left Front Circuit Short to Battery
DTC B1025 02: Audio Output 1 Left Front Circuit Short to Ground
DTC B1035 01: Audio Output 2 Right Front Circuit Short to Battery
DTC B1035 02: Audio Output 2 Right Front Circuit Short to Ground
DTC B1045 01: Audio Output 3 Left Rear Circuit Short to Battery
DTC B1045 02: Audio Output 3 Left Rear Circuit Short to Ground
DTC B1055 01: Audio Output 4 Right Rear Circuit Short to Battery
DTC B1055 02: Audio Output 4 Right Rear Circuit Short to Ground

Each of the audio output channel circuits (+) and (-), at the radio and audio amplifier (if equipped) have a DC bias voltage that is one half of the battery voltage. When using a DMM, each of the audio output channel circuits will measure approximately 6.5 V DC. The audio being played on the system is produced by a varying AC voltage that is centered around the DC bias voltage on the same circuit. The AC voltage is what causes the speaker cone to move and produce sound. This voltage will vary depending on what type of audio is being listened to, talk or music, and type of music, as well as the volume setting of the system. Low volume and talk settings will measure around 1V AC and less, where constant music may measure 3 V AC and slightly higher.
Do you know how to do DC voltage testing ?
Without Amplifier without UK6
Ignition OFF, disconnect the harness connector at the appropriate speaker.
Radio ON, test for 5.0-7.5 V between the signal circuit terminal A and ground.
? If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.
? If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.
Test for 5.0-7.5 V between the signal circuit terminal B and ground.
? If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.
? If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.
If all circuits test normal, replace the speaker.

Dec 25, 2016 | Saturn Outlook Cars & Trucks

1 Answer

I have a 2009 GMC Yukon and rear speakers aren't playing


Does the system have an amplifier ?
Circuit/System Verification
Radio ON, Rear Seat Audio (RSA) OFF (if equipped), adjust the fade and balance controls on the radio to test all four channels individually. Each of the four channels should produce clear and even sound.
Without Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, replace the radio.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - without Amplifier.
With Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, refer to Amplifier Circuit Malfunction.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - with Amplifier.


Circuit/System Testing
Speaker Circuit Malfunction - without Amplifier

  1. Ignition OFF, disconnect the harness connector at the appropriate speaker.
  2. Radio ON, test for 5.0-7.5 volts between the signal circuit terminal A and ground.
  3. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  4. Test for 5.0-7.5 volts between the signal circuit terminal B and ground.
  5. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  6. If all circuits test normal, replace the speaker.

Apr 17, 2016 | GMC Cars & Trucks

1 Answer

Radio works but no sound ? confused


Check all speaker wires to make sure they are connected properly, no cracked connectors, no bare speaker wire(s) touching any metal, as this will short out the speakers/ i.e. no sound. I would check the trunk speakers first, from what I have read, it is a common problem on this vehicle.

Oct 04, 2015 | 2005 Nissan Quest

1 Answer

Radio has no sound


First check whether the connector for the speaker wires is firmly plugged in behind the radio. Try unplugging and replugging to make sure. (Note: the connector may be attached to the radio or it may be on the end of a short length of wire.)

If the speakers are firmly plugged in and you still don't get sound, the next step is to test the speakers. Do this by unplugging the wires behind the radio, then run a meter across one pair (for one speaker) to make sure you don't have an open circuit (broken connection). Alternatively, feed audio from the speaker outputs on a boombox or other stereo to that pair of wires. If you don't get sound or if the meter says there's an open circuit or direct short, either the speakers are bad or there's a broken wire between the radio and the speakers. Most bad connections happen at one end of a wire or the other, so look at the connectors at the radio and at the speakers.

Finally, if the speakers do check out, you'll have to test the car radio itself. Run a pair of wires for one speaker from the radio's outputs to an external speaker (any working speaker will do). If there's no sound, your radio is broken.

Of course, the easy way to do this is take it to a place that installs car radios. They can check it out quite easily and make recommendations. Don't take it to a Chevy dealer. They'll charge you a fortune, and if the radio is bad, they'll sell a refurbished unit for more than you'd pay for a high-end Kenwood or Pioneer.

Oct 08, 2014 | 1998 Chevrolet Cavalier

1 Answer

Dtc = B1025 Driver/pass Deploy Loop Short To Voltage What does this mean?


If your asking about the radio DTC this is what it is



Circuit Description

When the radio is powered up, the radio supplies low level audio signals to the speakers. If the vehicle is equipped with an audio amplifier, the amplifier will boost the signal sent to the speakers.
Conditions for Running the DTC

The test is performed when the radio switches from OFF to ON. The radio will continue to test for the fault once every 0.5 seconds.
Conditions for Setting the DTC

The radio sets a current status for this DTC when a short to ground or voltage is detected on any of the speaker channels for 1.5 seconds.
Action Taken When the DTC Sets

No sound is present from one or more of the speakers.
Conditions for Clearing the DTC

The fault condition is not present for 5 seconds.

What to do:Test the speaker outputs from the radio for short to ground or voltage. Inspect for poor connections at the harness connector of the radio. Reprogram the radio. Replace the radio.

Sep 10, 2011 | 2003 Chevrolet Silverado 1500

2 Answers

Since I purchased my 2009 dodge journey I have had an issue with my radio/cd player ... sporadically the volume goes out, if I turn it off, and on it comes right back on, but will only stay on for 20...


AUDIO Any diagnosis of the Audio system should begin with the use of the scan tool. For information on the use of the scan tool, refer to the appropriate Diagnostic Service information.
For complete circuit diagrams, refer to the appropriate wiring information.

AUDIO SYSTEM DIAGNOSIS

CONDITION

POSSIBLE CAUSES

CORRECTION

NO AUDIO AT ALL SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Amplifier fuse faulty, if equipped. 1. Check and replace fuses, if required. 2. Wiring to amplifier faulty, if equipped. 2. Verify radio on/off input to amplifier and verify battery and ground connections. Repair wiring as necessary. 3. Radio faulty. 3. Refer to appropriate Diagnostic Service Manual. 4. Amplifier faulty, if equipped. 4. Replace amplifier. NO AUDIO AT SOME SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Wiring faulty between amplifier and speaker. 1. Repair wiring as necessary. 2. Wiring faulty between radio and amplifier. 2. Refer to speaker diagnostics. Repair wiring as necessary. 3. Wiring faulty between radio and speaker. 3. Check wiring for open or short, repair wiring as necessary. 4. Speaker(s) faulty. 4. Refer to speaker diagnostics. 5. Amplifier faulty.
5. Replace amplifier. 6. Radio faulty. 6. Refer to appropriate Diagnostic Service Manual. POOR AUDIO AT ALL SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Power/ground wiring to amplifier open or shorted. 1. Repair wiring as necessary. 2. Power/ground wiring open or shorted. 2. Repair wiring as necessary. 3. Amplifier faulty. 3. Replace amplifier. 4. Radio faulty. 4. Refer to appropriate Diagnostic Service Manual. POOR AUDIO AT SOME SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Wiring faulty between amplifier and speaker. 1. Repair wiring as necessary. 2. Wiring faulty between radio and amplifier. 2. Refer to speaker diagnostics. Repair wiring as necessary. 3. Wiring faulty between radio and speaker. 3. Check wiring for open or short, repair wiring as necessary. 4. Speakers faulty. 4. Refer to speaker diagnostics. 5. Amplifier faulty. 5. Replace amplifier. 6. Radio faulty. 6. Refer to appropriate Diagnostic Service Manual. SOUND DISTORTION (VIBRATION FROM SPEAKER AREA, BUZZING - HUMMING) 1. Door trim panel loose or missing fasteners. 1. Inspect door trim panel and correct as necessary. Replace any missing fasteners. 2. Water shield loose or misaligned. 2. Inspect water shield and adjust as required. 3. Items placed in door trim panel map pockets vibrating or moving from side to side. 3. Remove items from door trim panel. Ensure that vibration is no longer present. NO RADIO DISPLAY - AUDIO AND CONTROLS ARE OPERATIONAL 1. Radio faulty. 1. Refer to appropriate Diagnostic Service Manual. NO RADIO DISPLAY - AUDIO AND CONTROLS ARE NOT OPERATIONAL 1. Fuse faulty. 1. Check radio fuse and Ignition-Off Draw (IOD) fuse in Junction Block (JB). Replace fuses, if required. 2. Radio connector faulty. 2. Check for loose or corroded radio connector. Repair, if required. POOR RADIO RECEPTION WITH KEY IN ACCESSORY OR IGNITION ON POSITION 1. Antenna faulty. 1. Replace the antenna. 2. Radio ground faulty. 2. Check for continuity between radio chassis and a known good ground. There should be continuity. Repair ground, if required. 3. Radio noise suppression faulty. 3. Repair or replace ground strap as necessary. 4. Radio faulty. 4. Refer to appropriate Diagnostic Service Manual. 5. Faulty rear window defogger. 5. Verify that the rear defogger grid is functioning properly, repair as necessary (Refer to 08 - Electrical/Heated Glass - Diagnosis and Testing). NO COMPACT DISC OR DVD OPERATION 1. Faulty CD/DVD. 1. Insert known good CD/DVD and test operation. 2. Foreign material on CD/DVD. 2. Clean CD/DVD and test operation. 3. Condensation on CD/DVD or optics. 3. Allow temperature of vehicle interior to stabilize and test operation. 4. Faulty CD/DVD player. 4. Refer to appropriate Diagnostic Service Manual.

Nov 01, 2017 | 2009 Dodge Journey

1 Answer

Radio dose not work. its makes a fuzzy noise and is really quiet but i can still hear some music.


Sounds like the wire to the speaker is shorted outsomewhere, as if some sharp piece of metal has worn through the insulation somewhere.

Jul 06, 2010 | 2001 Chrysler Concorde

2 Answers

I have a 2000 Honda Accord. The radio works but there is no sound coming out of the speakers. One day the the speakers all crackeled and I didn't here sound again. What do I do? Is there an amp?


I had an issues where the my radio was working but no sound was coming out of the speakers. My problem was that the passenger speaker was disconected, and the wires were shorting out the radio. So I took it in to a pro installer and we put in a new speaker to the passenger door and hooked it up properly. The deck then started playing music fine.

Make sure your speakers are all connected properly, and that your wires have no cuts in the plastic that would expose the copper, causing them to short out. Also check your fuses to see if you blew any.

Hope this helps.

Jun 25, 2009 | 2000 Honda Accord

4 Answers

Chrysler town and country wiring diagram


2002 Chrysler Town and Country Car Stereo


Car Radio Battery Constant 12v+ Wire: Gray/Red
Car Radio Accessory Switched 12v+ Wire: Black/Pink
Car Radio Ground Wire: Strap or Chassis
Car Radio Illumination Wire: Orange/Tan
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: Gray/Green
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Green
Left Front Speaker Negative Wire (-): Green/Brown
Right Front Speaker Positive Wire (+): Gray
Right Front Speaker Negative Wire (-): Gray/Brown
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Green/Black
Left Rear Speaker Negative Wire (-): Green/Orange
Right Rear Speaker Positive Wire (+): Gray/Black
Right Rear Speaker Negative Wire (-): Gray/Pink

May 25, 2009 | 2002 Chrysler Town & Country

1 Answer

Radio is on, but no sound. 2003 Olds Silhouette.


I had avery similar problem with my radio. At first I would lose audio but it would eventually come back. Then I lost it for good. I replace the radio and that work for a bit and then replaced the speakers and they worked for a bit. Eventually no audio. I took the radio and speakers back to the tech who installed them and he found a short in the speaker wiring to the passenger speakers. He installed a jumper around the short and the new radio and speakers worked fine. Then I had him put in the original raidio and speakers and have had audio ever since.

Doug Crail
dscrail@yahoo.com

May 18, 2009 | 2003 Oldsmobile Silhouette

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