Question about 2005 GMC Envoy Xl

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Radio speakers only give off very high frequency low vol. sound.

Once in a while left or right will come on. Next day, not working again. Some radio guy said it's not the radio and could be the amp. What amp? I thought the amp was part of the radio? Connections are not the problem-- they are all connected fine. Will changing the radio fix this? Where is the amp located?

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Keeping it as simple as possible, sounds to me like there is a fault in the wire itself, test the radio by using different speakers and wire.
There is also a fuse or 2 behind the radio (built in) and they sometimes blow, the sporadic working speaker can be a symptom of a slow-blow fuse going. Hope this helps..

Posted on Apr 27, 2015

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Color code radio wires for a 2013 chevy express


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Only tweeters are working while playing radio. No other speakers are working. ...radio operates normally, turn on , cd, all options work. What could this be? It's a 2006.


all speakers r connected to the same wires on the radio
If left/right balance and front/rear fader work properly
and sound is coming out it is likely (but not definite) radio is ok and speaker wiring is the issue.
HOWEVER, if it sounds the same on both left and right, it could be the radio. It is unlikely both sides have the same issue at the same time without it being in the radio.
The only way to verify it to disconnect the speaker and substitute a known good speaker.
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How to program the radio in a 96Lincoln continental after battery was disconnected


Hi,

Here is the link to the owners manual which you can download if you wish:

http://owner.ford.com/servlet/ContentServer?pagename=Owner/Page/OwnerGuidePage&year=1996&make=Lincoln&model=Continental

Here/below are the specific instructions on the radio programming (pg. 159 of above link).


Good luck & please flag if "HELPFUL". Thanks!

(from section) Luxury Audio System


Selecting the AM or FM frequency band

Push the "AM" or "FM1/FM2" button to select the desired frequency band. Pushing the "FM1/FM2" button more than once will alternate between FM1 and FM2. These functions are used with the station memory buttons described under How to tune radio stations.

HOW to tune radio stations

There are four ways for you to tune in a particular station. You can use the "TUNE", "SEEK", 'SCAN"or memory buttons.

• Using the "TUNE" function:
You can change the frequency up or down one increment at a time by Pressing and releasing either the left (< arrow/up) or - right (> arrow/down) side of the "TUNE" or "TUNE DISCS" button. To change frequencies quickly, press and hold down either the right or left side of the button.

Manual tuning adjusts your radio to any allowable broadcast frequency, whether or not a station is present on that frequency. (See All About Radio Frequencies in this section.)

• Using the "SEEK" function
: Press the right *) side of the "SEEK" button to select the next listenable station up the frequency band. Press the left (.4) side of the button to select the next listenable station down the frequency band. By holding the button down, listenable stations can be passed over to reach the desired station. Pressing the "SCAN" button will begin the scan mode up the frequency band, stopping on each listenable station for approximately five seconds. To stop the scan mode on the presently sampled station, press the "SCAN" button again.

Setting the station MEMORY PRESET buttons
: Your radio is equipped with 6 station memory buttons. These buttons can be used to select up to 6 preset AM stations and 12 FM stations (6 in FMI and 6 in FM2)

1. Select a band, then select a frequency.

2. Press one of the memory buttons and hold until the sound returns and the lamp above the memory button lights up. That
memory button is now set.

3. Follow the above steps for each memory preset button.

NOTE:
Custom memory presets can be recalled using the keyless entry system. See Memory Profile System in the Features chapter.

Using the Automatic Memory Store feature ("AUTOSET")
: If the memory buttons have been set, either by using the Auto Memory Load feature or if you have set them manually, the system is prepared tolet you use a convenient feature called Automatic Memory Store.

With Auto Memory Store, you can continually set strong stations into your memory buttons without losing your originally set stations. Your radio will automatically set your memory buttons to the strong local stations.

Activate Auto Memory Store by pushing the "AUTOSET" button once. Your radio will set the first six strong stations of the band you are in (AM, FMI or FM2) into the memory buttons. The display will flash "AUTO" and display the autoset icon "A" while the stations are being set in the memory buttons.

NOTE: If there are less than six strong stations in the frequency band, the remaining unfilled buttons will store the last strong station detected on the band. After all stations have been filled, the radio will begin playing the station stored on memory button 1.

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Wat do all the wire cables mean at the back of the stereo? e.g.- brown, white/purple.


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Left Rear Speaker Wire (-): Black/Orange
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Stock audio wiring diagram


Car Radio Battery Constant 12v+ Wire: Green
Car Radio Accessory Switched 12v+ Wire: Green/Orange
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Yellow
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: Under the Driver Seat.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Tweeter Speaker Positive Wire (+): Blue
Left Front Tweeter Speaker Negative Wire (-): Brown/Red
Left Front Mid Speaker Positive Wire (+): Black
Left Front Mid Speaker Negative Wire (-): White
Left Front Low Speaker Positive Wire (+): Yellow
Left Front Low Speaker Negative Wire (-): Blue
Right Front Tweeter Speaker Positive Wire (+): Blue/Orange
Right Front Tweeter Speaker Negative Wire (-): Green/Orange
Right Front Mid Speaker Positive Wire (+): Black
Right Front Mid Speaker Negative Wire (-): Brown/Red
Right Front Low Speaker Positive Wire (+): Black
Right Front Low Speaker Negative Wire (-): White
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Blue
Left Rear Speaker Negative Wire (-): Green
Right Rear Speaker Positive Wire (+): Yellow
Right Rear Speaker Negative Wire (-): Blue

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Stereo powers on, but whether on cd or radio, no sound comes from speakers. I feel like when it is cold out it does this more often, sometimes i think if the stereo is left at high volume when car is...


I would check to see if the vehicle came equipped with a stock amplifier sometimes the wiring comes loose from there or the amp just simply gives up.

Dec 26, 2009 | 2005 Nissan Pathfinder

1 Answer

No sound comming from the left side speakers in my 04 Envoy XUV.


first> road vibrations can cause cable connections to come loose so you can start by taking out your radio and making sure all of the questions in the back are connected as they should be.
Second> if this doesnt seem to work then the next step is to check the wires going to the speakers that arnt working (this will b quite a job, but if you can do it, it will save u quite a bit of money) .. checking the wires your checking for >bad connection to the speakers >cuts in the wire or if any part of the wire is touchin any other metal object

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May 29, 2009 | 2004 GMC Envoy

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