My volvo V70 (2002) has a cd/radio. It works perfectly in the front and intermittently in the back.. sometimes if i turn the fader/balance button the speaker works again, but more ofen than not the rear speakers do not work any suggestions
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Sadly, that's a common problem.
You can pull the fuse to the radio and wait a few minutes, then plug it back in. It'll reset the radio and it MIGHT eject the CDs. If that doesn't work, you have to go to the dealership.
They can sometimes pull the CDs out, and sometimes not, and they have to ship the radio off.
The fuse should be #5 located in the box in front of your legs where the safety light is located.
It truly sounds like a loose or faulty/corroded ground wire. Almost 99% of the electrical problems I have experienced with Volvo's are loose wire related. There are a number of ground wires underneath the hood grounding the engine. However my first suspect would be the connections on the alternator and battery.
1994 Volvo 940 Car Audio Wire Diagram
Car Radio Battery Constant 12v+ Wire: Yellow
Car Radio Accessory Switched 12v+ Wire: Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Light Orange
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5 1/4′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Blue/Yellow
Left Front Speaker Negative Wire (-): White
Right Front Speaker Positive Wire (+): Gray/White
Right Front Speaker Negative Wire (-): Gray
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Yellow/Brown
Left Rear Speaker Negative Wire (-): Yellow/Green
Right Rear Speaker Positive Wire (+): Green/Brown
Right Rear Speaker Negative Wire (-): Green
Hope helps (remember rated this) TY for use Fixya.
Hello there. I have a Volvo V70 that I bought recently and it had the same problem. I left the ignition switched on for about two hours and after that time the reading had changed from OFF to Code. I then entered the code and Hey Presto It worked. When I purchased the car it too had no code. I went to a Volvo Dealership, with proof of ownership of the vehicle i.e. Log Book and proof of ID , I used my Passport, and they gave me the radio code.The only dowside was I had to pay them £10 for this code but I feel it was worth it. I suggest you try this too. Good Luck.
5 1/4" Doors
Left Front (+)
Left Front (-)
Right Front (+)
Right Front (-)
6" x 9" Rear Deck
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
Google Volvo wiring diagram. They are available free. The diagram shows the wire location and colors. Otherwise, run a continuity test with a simple meter to discover a connection with some resistance between a pair of wires. If you here a click or two, from the speakers, you have found the right pair. Continue and label the pairs left, right, front,rear, until all are identified. Then reconnect. A pain but not rocket science.