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This mainly depends on the way the radio is wired into the car.
If the radio is wired to a permanent live it will stay on when the key is removed,
If the radio is wired to an ignition or an accessory circuit the radio will go off when the key is removed.
Some radios have the facility to stay on for 20 minutes after the key is removed,
Fiat Panda is a good example of this.
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EzraThere can be several causes of this:
A short in the electrical system allowing power to the clock light
A faulty relay that is sticking on
A problem in the radio itself (usually a diode)
A defect in the ignition switch (though other things should be staying on as well if this is the cause)
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What causes a radio to run down your battery?
if your radio is not stock then the wiring is not correct or depending on the year you may need a specific wiring harness for the car which can be bought and installed by any extreme audio store. that would be the case if your car radio stays on when the car gets turned off. It uses energy
Interior light stays on and radio stays on after exiting car?
owners manual fuse box interior lamps pull it then figure it out no sense in a dead battery
How can you stop the radio from running after the car is off the radio is running down the battrey how can you disconnect it?
The remote wire is not hooked up. It should be a small blue wire, just take the radio out and hook thise remote wire up and then the radio should turn off when the car is turned off.
In your 1994 Buick Century the radio-clock stays on when the car is turned off and if you take the fuse out for the radio the clock still stays on how can this be fixed?
Answer: I assume you mean the radio clock light stays on after you turn the key to the off position. Based on my research there are there are three things that can cause this.First, there is the possibility of a bad diode in the radio itself which will require the replacing or disconnecting the radio.Second, there is a short somewhere causing the clock to stay on. Finding such short can be a hassle and it might be easier simply to disconnect the clock then trying to find the short.Finally, there is the (rare) possibility that the Body Control Module (BCM) has gone bad but this is unlikely if this is the only issue you are having.
Why does my Car radio turn off and on?
If your radio will not shut off when you turn off the car, there may be an issue with the wiring. If your car has the feature where your radio will not turn off until you open the door, that is normal. However, if you have an aftermarket radio, the wiring is most likely the cause.
