Digital Clock Stays On
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Joined: Nov 2005
Posts: 1
Digital Clock Stays On
Hi all,
I recently noticed the clock in my 94' Camaro was staying lit while the car was turned completely off. My battery also recently died and I had to replace it. Do the digital clocks always stay on and I just haven't noticed it until now, or did I accidently hit a button to make it stay on when the car is off. If thats the case, how do I turn it off so my battery won't go dead a second time?
Thanks for your help.
I recently noticed the clock in my 94' Camaro was staying lit while the car was turned completely off. My battery also recently died and I had to replace it. Do the digital clocks always stay on and I just haven't noticed it until now, or did I accidently hit a button to make it stay on when the car is off. If thats the case, how do I turn it off so my battery won't go dead a second time?
Thanks for your help.
In the Staging Lanes
Joined: Mar 2009
Posts: 85
From: Colorado
I could be wrong, but I have a couple of ideas. I’m assuming your clock is on your radio.
Car radios/clocks usually have a permanent voltage feed and a voltage feed switched by the ignition. I think both feeds are 12 volts, but I’m not sure. This is so the radio and clock turn off with the ignition, but still store time and radio settings while the car is off by using the permanent feed to the car battery. I think that either both of your voltage feeds are permanent or the switched feed is good, but the radio is not turning the clock off when the ignition is off. Some radios have a button that temporarily turns the clock on while the ignition is off. If you have a button like this, it might be permanently stuck on.
You can troubleshoot the circuit by getting a voltage reading on the switched feed to see if it is still getting power while the ignition is off. If the switched feed is getting a voltage reading while the ignition is off, reconnect the radio to a circuit that is switched on/off by the ignition. If the switched voltage source does not have voltage when the ignition is off (the way it should be), the problem is likely with your radio. In the mean time, you can try pulling the radio fuse and see if that keeps your clock off until you can fix the problem.
Car radios/clocks usually have a permanent voltage feed and a voltage feed switched by the ignition. I think both feeds are 12 volts, but I’m not sure. This is so the radio and clock turn off with the ignition, but still store time and radio settings while the car is off by using the permanent feed to the car battery. I think that either both of your voltage feeds are permanent or the switched feed is good, but the radio is not turning the clock off when the ignition is off. Some radios have a button that temporarily turns the clock on while the ignition is off. If you have a button like this, it might be permanently stuck on.
You can troubleshoot the circuit by getting a voltage reading on the switched feed to see if it is still getting power while the ignition is off. If the switched feed is getting a voltage reading while the ignition is off, reconnect the radio to a circuit that is switched on/off by the ignition. If the switched voltage source does not have voltage when the ignition is off (the way it should be), the problem is likely with your radio. In the mean time, you can try pulling the radio fuse and see if that keeps your clock off until you can fix the problem.
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