Question about JVC Car Audio & Video
It is due to the bad connection to the battery or your battery can be weak and also check all the connections sometimes loose connections can cause sound, a weird sound.
Posted on May 30, 2020
SOURCE: everytime i turn my car
Most stereos have two power connections. One is "constant" (aka always connected to +12V) and the other is switched on/off by the ignition. They may go be various names. The idea is that the constant +12V keeps the stereo from losing all of the settings while the switched power turns the stereo off when the key is not on "start" or "accessory". It sounds like the both connections may be made to the switched power on your car, causing it to go completely powerless when your car is off.
Are the presets reset after you turn the car off or only after you turn your car back on? If they only reset after turning the car back on, it's possible the battery and/or electrical system is having trouble keeping the system voltage up while the starter is trying to turn the engine.
The illumination signal is usually used to let the stereo know when you've turned your headlights on, so it can dim the display automatically. Should be completely separate from your issue.
Posted on Apr 02, 2008
it seems to be there is some programing problem with the main board so u jus cant do it by ur self u need tecnical help from a proffesional mechanic coz i came across the same problem with another product.....
Posted on Jul 05, 2008
I had the same problem, where the Sat radio, the bluetooth and the ipod were all non-functional. Turns out, they all go through one central hook-up, so you have to make sure that connection is good.
When mine did not show up or function, I looked at the install under the foot board of the front passenger seat that the installer did, and nothing looked out of whack. Upon closer inspection, one of the cables was had been pressed out of it's proper place and loosened enough to cause a bad connection.
I don't care for the install, but there was no problem with the equipment, so check all of your connections. Even to the point of pulling them out and reconnecting them to see if that fixes the problem.
Posted on Oct 06, 2008
Connect Yellow to Battery (always 12V), red to ignition, and black to ground. Disconnect all others. Check it. If the radio stays on and plays CD, then radio is good. You may check other wiring
Posted on Jan 19, 2010
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