Hope some one may be able to help me.I want to fit a replacement radio/CD player on my 940.I need the radio wiring diagram as the replacement has only ISDN fittings, so will need to split and connect.
Any help would be very much appreciated.
Best wishes to all.
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Re: Need a wiring diagram for Volvo 940S 1993
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 (-)
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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
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notify a dealer the radio un-loc code is part of ur security system dealer has access to the radio code- call first they can also advise on how to retrieve the radio id code which will also be needed or if have vehicle manual in it explains how to get radio id code[ number]
The original response is correct about acquiring the code from the dealer. However, if you just purchased the car, check inside the glove box/manual as it may be located there. Also, you may want to try pulling the radio out of the dash. I have found them written on the radio as well. Defeats the purpose, but some people do it anyway.
If your installing a stock radio/cd player from another Dodge the wiring plug is the same and will fit.If your installing a aftermarket radio/cd player(JVC,Pioneer,etc)you will need to buy a adapter plug that wires up to the radio and is a direct fit to your factory wire harness,so your not cutting your wires.When you buy the adapter plug it comes with a wire diagram of which wire is what.Your aftermarket radio should have a diagram also,either on it or in the manual.Hope this helps you.