Why is my stereo draining my battery?
If the stereo is old, it can drain the battery due to a faulty relay. If a radio is newly installed, it is most likely wired to a fuse that receives power when the engine is off.
Can a stereo drain a car battery?
Stereo System A car stereo may also be the culprit when your battery dies. The larger and more powerful the system, the greater the potential for battery drain. A simple check is to disconnect your stereo system and see if that fixes your battery woes.
How do I stop my radio from draining my battery?
How To Fix Car Stereo That Keeps Draining My Battery
- Turn off the cars ignition.
- Remove the car stereo from the din slot.
- You will see a wiring harness plugged into the back of the car stereo.
- The black wire (ground) needs be directly connect to the negative on the car battery or some metal part of your car.
Can my sound system drain my battery?
So, can an amplifier drain your battery? The simple answer is yes, but a car battery can only be drained when it sends more power than receives back from an alternator. In other words, a car battery drains when it is not charged enough, which is a common problem when using powerful amplifiers.
Will subwoofer drain my battery?
The only ‘wear and tear’ damage that a powerful subwoofer would possibly cause: Pulling too much juice from the electrical/charging system, and thus draining the battery even when the engine is trying to keep it charged.
Can a head unit drain a battery?
Battery drain will happen if there is more than +12v source being received into the head unit when the keys are off. Remember there should only be one +12v source, the battery wire, when the keys are out. It is physically impossible for the head unit to produce it’s own +12v feed.
Why is the battery draining on my V70?
The battery on my V70 drains overnight. I charged it up fully and was careful not to leave anything switched on but still the battery drained overnight. I’ve had the batter checked (apparently it’s OK) and my mechanic doesn’t think it’s the alternator. I’ve now taken it to a specialist auto electric mechanic but he’s stumped too.
Where is the battery in a Volvo Car?
If you don’t have a battery in the engine bay, the battery will be in the trunk below the floor carpet. Open the trunk. Lift the carpet. Remove the metal plate on top of the battery, then disconnect the negative battery terminal. Locate the CEM module under the dashboard on the passenger side for 2003 to 2013 models.
Can you take the radio out of a Volvo?
You can take the radio out by opening the tabs on either side of the radio and then pulling it out. If you are unable to remove the radio, please visit an Authorized Volvo retailer. Hint: Check the radio for a four digit code hand written on the radio.
How many amps does a V70 battery have?
If everything is normal, you will read less than 35 milliamps, or .035 amps. If the current drain is higher than that, you need to find out what is draining your batteries: You can start by pulling fuses until the load goes away.