I don't notice any trouble starting it after this, even in the winter.
Personal experience is that I have a phone charger with a little blue LED that is plugged in all the time in my car, and sometimes don't go anywhere for weeks at a time. If you are leaving the car this long I would just unplug the device! If it's just the LED, they draw more like 20 mA IIRC, so it would take ~1000 hours for one to drain 40% of your battery capacity. (clock, alarm, etc)Įven if you were to plug in a cell phone with a fully discharged battery, for example, which has maybe a few Ah capacity, the battery in your car is about 50 Ah, so in the worst case you might drain ~5% of your battery capacity in charging the phone. Unless you are leaving something actually plugged in and charging all the time, the charger itself is probably only running a little LED which is negligable in the context of the parasitic load from other things in the car. Some of these are available in a kit with the fuse tap. My only concern with this is if it is designed to work with the fast charge feature on your phone. You could use a 12v to USB (socket, or mini) if your only intention is to use this with USB devices. If you do this, remove the fuse for the current lighter circuit, so you do not have a live wire hanging behind your dash.ĮDIT: Based on Paulster2's suggestion. This may be more difficult to run the power wire through the dash. You can use double sided tape (think command strips) to mount it so you are not making a permanent change.Īlternately, you could run power from the new circuit to the existing lighter outlet. I'd look for a lighter socket like this with a bracket. You will need to run a ground to the case of the lighter socket. The power wire runs to the center back or the lighter socket. Run the fuse tap to a new 12v lighter socket. Use a switched, non essential circuit, like switched power for the radio.
This will allow you to create a new circuit off an existing fuse. I do not like making modifications that change the factory wiring or can not be easily reversed, so this is my suggestion. Your factory lighter socket is not wired to do this. I believe this would need custom wiring to be switched on and off with the ignition.
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