My 2005 Ford Focus had a completely dead battery this morning so I had to jump-start it. Since then, the radio will not even turn on??? I am not a machanic and my husband is usually the one who jump-starts my car (have I mentioned I am notorious for leaving my lights on and my battery is always dead???) so today, I accidentally hooked the cables up backwards the 1st time I attempted to jump it - there was a spark of course and I unhooked it and hooked it up right. Could the spark thing cause a problem with my radio???
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Re: my car radio stopped working
It takes a nano second to ruin today's electronics. I'd check the fuse for the radio before hitting tha panic button. You may be lucky and only blew the fuse If you are prone to leaving stuff on, I suggest at least once a month you should put your battery on a charger...The alternator can never completely charge a battery...it's designed to maintain the state of charge...not re-charge. This shortens battery life and overworks the alternator. Hope it's only a fuse and if it is a radio, be glad you didn't do more...I've seen everything including the computer get fried!!
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A ground wire that is not grounding, until you wiggle the wires. Follow those wires, there is a loose connection in there. Start at the neg. battery post, clean and tighten. Follow the small wires you can wiggle, see any splices that may have started to pull apart? Find the ground screw or whatever the small wires use to ground, that may be loose. Maybe the small wire goes to that black box? Take it off and look for the ground that isn't grounding.
Sounds to me that your battery has shorted out and will not take a charge.Disconnect the battery and try to charge it, then check to see if it has taken power with a volt meter. A shorted battery will take all the power from the alternator and run it to ground leaving no power to run the car. Also check the alternator output with a volt meter after you have checked the battery as a shorted battery can burn out the alternator.
check all battery leads and earth straps
"" car body and engen bay straps""
also check battery terminals are tight check its full of battery water too if its been low for a time bump it!
and have a ""drop meeter test"" done on the battery if its a bad battery it should show that up first time it could have cracked plates inside the battery its self, test by turning on head lights then hit starter, if every thing go's dead!!!! put ""good jump start"" battery on to car and try it again,,, all should work just fine then,,,,it could just be a flat battery?????
YOUR BATTERY SOUND LIKE ITS DEAD. CHECK BATTERY VOLTAGE SHOULD BE 12.5 VOLTS IF NOT TAKE IT TO YOUR NEAREST AUTO ZONE OR ADVANCE AUTO.LET THEM TEST IT LOAD TEST IT.WHEN BATTERY IS CHARGED OR REPLACED.WITH ENGINE RUNNING ALTERNATOR OUT PUT VOLTAGE SHOULD BE 13.5 VOLTS TO 14.5 VOLTS.IF NOT HAVE ALTERNATOR CHECKED.IF ALL GOOD YOUR ALTERNATOR FUSE / FUSE LINK BLOWED OR YOUR ALTERNATOR WIRES IS DAMAGE.OR DRIVE BELT SLIPPING.REMEMBER TO TURN OFF RADIO BEFORE DISCONNECTING NEGATIVE.BATTERY CABLE.IF YOU DONT YOU WILL LOSE RADIO CODE.RADIO WILL NOT PLAY.