I RECENTLY HAD A NEW STARTER MOTOR FITTED AND NOW THE STEREO IS ASKING FOR A CODE WHICH HAS BEEN REMOVED FROM THE MANUAL BY THE PREVIOUS OWNER I HAVE TRIED TO INPUT AS MANY CODES AS I CAN BUT ITS NOT WORKED AND I HAVE HAD NO MUSIC FOR OVER WEEK NOW CAN YOU HELP ME?
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Re: CAR STEREO NOT WORKING
Contact the maker of the deck.
I had the same prob',the maker gave me the code after supplying them with the model,and ser##'s,it worked!!
note;any knowing shop would place a small 12v powersupply to the batt cables before unhooking car batt,also most of the time,you are safe to unhook battery for 10min's to one day,before the security code "goes away"(every deck is diferent)
With the newer cars most radios have a theft deterrent device built into the radio, and if they steal your system it will not work in another jeep/car the dealer knows the unlock code, some charge to unlock the radio some don't.
That's why when doing electrical work on a car/truck etc. You have to have 12V DC power to the battery terminals all the time or you will loose the code and then only the dealer can help you unlock the radio. HTH.
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If your car battery died, your Kenwood stereo will ask you for a code. There are various ways to enter the security code; this depends on the model of your Kenwood stereo.
Look in your manual and see what the security code is for your particular Kenwood stereo. There are common security codes on many Kenwood stereos. Kenwood claims security, but its stereos have many of the same security codes. Here are three common security codes: 1-2-3-4 (a code many Kenwood owners use), 3-0-5-1 (a common security code in Kenwood manuals) and KCAR (works on some Kenwood stereo models). You should have a code within the pages of your manual. Luckily, many Kenwood stereos have the same security codes.
Enter the security code into your Kenwood radio. Method #1: During the code request mode, while holding the DISP key depressed, press and hold the "Volume UP" or "DOWN" key for three seconds until the " ... " display disappears. Enter the security code using your Kenwood remote. Method #2: Press the "Auto" and "Track Up" button on the face of radio at the same time until the four dash lines disappear. Enter the security code using your Kenwood remote. Method #3: Press and hold the "One" then the "Six" preset keys until the display shows the letter "C." Enter the security code using your Kenwood remote.
If you did not have your manual, try the most common codes for Kenwood stereos. If those codes don't work, you can also buy your Kenwood stereo code online. There are places online that will sell you the security code to your Kenwood stereo.
Keep your security code and this information in a safe place.
Many car stereos use an anti-theft pass-code scheme. If the stereo is removed from the vehicle, lock-off is triggered by the loss of battery power to the stereo, and the only way to get it to turn on is to enter the pass-code on the front panel buttons. If you had to disconnect the battery, or it went completely dead on you, that's your problem. Check the manual for your stereo for details.
Note: some stereos requiring entering the pass-code before disconnecting the battery - for those who might have such systems, save yourself some grief and check your user's manual ASAP so you are prepared.
Another possibility is a shorted speaker amplifier has blown the radio fuse. Check the speaker wiring for damaged insulation before you install the repaired or replaced stereo. A competent electronic technician can generally check the amplifier modules or transistors for shorts and replace them as needed. Be sure to ask which speaker output is bad so you know which one needs a wiring check.
Could be an anti theft feature - should be in the manual along with reset instructions. Some of these aftermarket stereos have the switched and permanent 12V feeds swapped compared to the vehicle wiring, which can cause similar problems. Worth checking the feed voltages are correctly connected.
Somehow your antenna has become disconnected. Check the back of the stereo and look at the ANT connection. Remove it and test continuity from the center to the outside antenna. Chassis is ground and most likely will not have a problem.
Not familar with your car but I had same problem many years ago with a Vauxhall Astra and did same as you, disconnected battery and re-connected, radio didn't work - but my display kept flashing for security code to be re-input, which I didn't have.
Yours could be the same if radio not worked since disconnection - solution: if you dont have code & not in any documentation you got with car, then the radio will need to be re-coded by a dealer (expensive) or enquire with local car spares shops - they normally know a cheaper source. Mine cost about £18 (5 years ago) to get re-coded & I had to remove & reinstall myself.