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Audio Systems/Stereo lights up but won't play or eject cd.

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Question
Hi,

We've just had to mess with our car battery and in the process seem to have done something bad to our car stereo. We think we shorted it.  It lights up, but won't turn on or eject the cd that's in it.  We checked all of the fuses so are guessing it must be the wiring.  Do we need to take it to a professional or have we damaged the stereo beyond repair?  Thanks.  

Answer
Hi Melisa,
What can one say, ooops?
I think yo may have fried it, did you jump start the car at anytime? That kills more electrics’ than any other single thing.
Use a tester and check for BOTH 12v at the radio connector block, 12v perm and 12v ignition (acc) if both are ok then if the radio is under three years old and worth more than $150 then repair is worth while, otherwise bin it and lesson learnt, buy a new one.
Good luck, Peter
p.s. don't forget the feed back so I know how I'm doing, thanks.

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Peter G. Lee

Expertise

Accessory installations including audio, security and lighting, general wiring and fault finding. Nothing specific to US car electrics such as ECUs or engine management systems please i.e. how do I get the radio out of a Saturn, we don't have Saturns in Europe so I wouldn't know.

Experience

11 years as a security and audio installer in the U.K. 9 years own company in South West of U.K. installing for a number of high street retailers incluing Trinity in-car centre, Road User, Halfords and A.1. Past advisor to and chairman of Sold Secure initative gloucestershire police. member PACT (partnership against car theft)U.K. police, Kit car builder VW air coole

Organizations
Member of the institute of diagnostic engineers M.I.Diag.E

Education/Credentials
Certified by Clifford, Cobra (U.K.) Serpi Star-Gamel, Moss, Philips, Tracker (Lowjack), Pioneer blue chip installer, Kenwood installer. City and Guilds, A.R.E

Past/Present clients
Over 2,000 between 1988 and 2000

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