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BMW BUSINESS RDS stereo system

I am only getting sound out of my rear passenger speakers.

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  • HowieB May 27, 2008

    Cheers wezmeister:

    I came up with my own solution. Bought a lot better sytsem than that provided by BMW. SIMPLE REALLY!

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The most basic thing to check is the front/rear fader control on the stereo. If its electronic, you gotta find the function on the control pannel. Make sure its set to the middle range between front and rear.

If thats all good, you will have to slide out the stereo and test the outputs from the unit. If there working, the problem is in the wiring or speakers.

If your system has an external amp, you will have to look at that as a possible problem as well. You gotta find the wires and test the outputs.


wezmiester

Posted on May 27, 2008

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Lost sound on 2005 impala. radio works. seems like amp problem.


Do you have base or up;level system ?

Table 1: Radio Features
Table 2: Cassette Features
Table 3: Compact Disc Features
Table 4: XM Advisory Messages
The radio receives power from the RADIO fuse in the junction block-right I/P. Ground is provided via G201 and G202. The radio is enabled/disabled by class 2 messages from the body control module (BCM). The radio routes audio signals from the digital radio receiver or the vehicle communication interface module (VCIM) to the speakers and/or amplifier when directed by class 2 messages.
The Entertainment System on this vehicle is configured with an AM/FM stereo radio with the radio data system (RDS) and either a cassette player or a CD player or both. CD and cassette. The uplevel system provides the customer with extended range speakers and an audio amplifier. Satellite digital radio (U2K) is available with uplevel systems.
The following list shows the radios available for this vehicle:
• Radio (ULO) - AM/FM Stereo, Cassette with RDS
• Radio (UNO) - AM/FM Stereo, CD and RDS
• Radio (UPO) - AM/FM Stereo, Cassette with CD and RDS .The complexity of the radio systems on these vehicle is mind blowing .

Your best bet take it to a GM dealer , has features you are unawear of .
DTC B1025, B1035, B1045, or B1055
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.
DTC B1025 Audio Output Circuit
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With the scan tool, monitor the DTC Information for DTC B1025.
Does the scan tool indicate that DTC B1025 is current?

Jan 31, 2017 | Cars & Trucks

1 Answer

Driver side speakers fade in and out


Sounds like you may have a short in the wiring to the speakers. You can play with the balance and fade controls to check the sound, but a professional car stereo installer can troubleshoot and replace that for you.

Apr 13, 2014 | 2003 BMW 7 Series

2 Answers

What would cause the driver side front door speaker and the passenger side rear deck speakers not to work. When if fade the sound all the way to the front with no sound in rear and with the balance turned...


Check the speakers if they work. Connect the speaker terminals using a short wire to a 1.5 volt battery (AA or any dry cell batter) and listen if there's a thumping sound when the wires are connected to the battery terminals. If there's no sound, your speakers are busted. If there's a sound, check if the wires are okay. Use the same method with the battery with the wires from the back of your stereo. Make a small cut on the wire and attach the short wires you used earlier.

Nov 04, 2013 | Cars & Trucks

1 Answer

Bmw bavaria rds


Margaret, this is free public forum , demands don't play here (free)
and you double posted. why do that.? if you wish to elaborate
try posting below 1st post, as an add.
and for better help? why not post to a BMW forum. (faster)
and no car year, posted or car options listed.

Radio year, model and Car Cell phone options.

no matter.......
the first check on all electronics, is the fuse
most radios have 3 power sources, (to make all features work)
and fuses are on all 3.
have you tried all sources, AM/FM CD, MP3 USB (if opted) .
are all modes dead?
the next check is to try all buttons on the radio. ?
is there a mute button? if car has 4 speaker try the fader lever.
front to rear. left to right , still dead.?
cycle modes. radio, cassette, CD 6 pack , what ever, but do cycle them all as older cars the mode switch can stick.

The RDS is radio station text messages. for song titles.
including time, station identification and programme information.
if this part really works, the RDS part this means the radio is working, but the power amp is dead or muted.
try balance and fader.
many radios (1000s) have fuses in the radio for the speaker amp
that can blow. (shorted speaker wires a prime reason)
or some have in line fuse. and others are in the cars fuse box
which varies by maker or model year.

ok , im looking at the stock radio on level C stock 1991 radio
and even back when (stock to me) the is RADIO muting
so if your car has Cell phone muting bingo that.
and a fuse at rear of radio, (unstated purpose)
guessing,id say there is lamp that glows, CELL mute?


conclusion, no car year stated, or year radio of not origional.

Oct 20, 2013 | Cars & Trucks

2 Answers

I need a wiring diagram for a new stereo. I have a 2000 bmw 328i and I can't figure out how to wire it.


2000 BMW 328i Car Stereo Radio Wiring Diagram.
Radio Constant 12V+ Wire: Red/White
Radio Switched 12V+ Wire: Purple/White
Radio Ground Wire: Brown
Radio Illumination Wire: None
Radio Dimmer Wire: None
Radio Antenna Trigger Wire: White
Front Speakers Location: Kick Panels
Left Front Speaker Wire (+): Yellow/Red
Left Front Speaker Wire (-): Brown/Orange
Right Front Speaker Wire (+): Black/Red
Right Front Speaker Wire (-): Brown/Orange
Left Rear Speaker Wire (+): Yellow/Black
Left Rear Speaker Wire (-): Black/Orange
Right Rear Speaker Wire (+): Blue/Black
Right Rear Speaker Wire (-): Brown/Orange

Oct 17, 2012 | Cars & Trucks

1 Answer

Best Buy installed new stereo in my 1996 Z3 - Now my stereo stops playing when I put the drivers side window down. My car recently started blowing a fuse. Help...it's been almost 4 years since I had the...


:o( you're going to have to pull the radio out to see what they did. They probably added a wire to an inappropriate circuit to power the new radio or amp. I will paste your factory wiring colors below. If you now have an extra wire, that is the likely culprit. Trace it to see where they hooked it in. If it isn't going to the the fuse box and using an extra slot, make it so by connecting it to the cold side of the fuse and put an approprite size fuse in. To determine the fuse size to use, you can compare the wire gage to other cold side wires and use a fuse the same size as you see being used for similar gage wires. Let me know if you have more questions.

1996 BMW Z3 Car Stereo Installation Diagram
Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: Violet/White
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: Gray/Red
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: White
Car Stereo Amp Trigger Wire: White
Car Stereo Amplifier Location: Passenger Kick Panel
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Yellow/Red
Left Front Speaker Negative Wire (-): Yellow/Brown
Right Front Speaker Positive Wire (+): Brown/Black
Right Front Speaker Negative Wire (-): Blue/Brown
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Blue/Black
Left Rear Speaker Negative Wire (-): Yellow/Brown
Right Rear Speaker Positive Wire (+): Blue/Violet
Right Rear Speaker Negative Wire (-): Blue/Brown

Oct 26, 2010 | 1996 BMW Z3 Roadster

1 Answer

I lost my philips business rds code from my z3


get the complete serial # off the back of the radio. the e-mail it to me a Richl@autonation.com. I will do my best to get the code and get back with you.the # can be 8-17 digits long with letters mixed in

Jan 17, 2010 | 1997 BMW 3 Series

1 Answer

Code for BMW RDS PH7850T11130241


Please, send me a code for all radio ph7850t

Sep 04, 2008 | 1997 BMW 3 Series

1 Answer

CODE FOR BMW BUSINESS RDS


Hello There.

There are many websites that offer an unlocking service for a few £/$ . here is one that I found>

http://www.unlockmycarradio.info/?gclid=CKGGt9PSkZkCFYh_3godalAGYg

Hope this helps.

If my answer has helped you, please rayte me on Fixya.

Many Thanks

ILikeBMW

Aug 08, 2008 | 1997 BMW 3 Series

1 Answer

Aftrmarkt cd player 2004 bmw 330i


2004 BMW 330i Car Radio Wire Diagram
Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: Violet/White
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: White
Car Stereo Amp Trigger Wire: N/A
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 (+): Yellow/Red
Left Front Speaker Negative Wire (-): Brown/Orange
Right Front Speaker Positive Wire (+): Black/Red
Right Front Speaker Negative Wire (-): Brown/Orange
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Yellow/Black
Left Rear Speaker Negative Wire (-): Black/Orange
Right Rear Speaker Positive Wire (+): Blue/Black
Right Rear Speaker Negative Wire (-): Black/Orange

pls rate

Jul 22, 2008 | 2003 BMW 330

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