Hi All,
So, when I bought my 3DV last year the previous owner has attached a cigarette lighter charger to the battery, so over the winter I have ran my car sat nav wire from the handle bars under the tank into said socket. I also have a battery optimizer attached to the battery. I took the bike out yesterday with the sat nav attached so I could test, however after a couple of hours when I stopped for fuel the bike wouldn't start again and the battery was completely flat. This wasn't the first time I had stopped during the ride, it was probably about the 3rd time I fired the bike up in those 2 hours. I bumped started the bike and got home, plugged back into the optimizer and after a few hours the battery was charged.
Now what was the cause of this? Was it because I have attached the sat nav directly to the battery, therefore when the engine is not running the sat nav is still drawing power from the battery and thus eventually draining it?
In my mind there are 2 solutions to this and wondered what other owners had done.
Solution 1 - Each time I ride with the sat nav and come to a stop (for fuel, brew etc.) I should unplug the wire from under the seat to stop the sat nav drawing power. Simple solution, just need to remember to do it.
Solution 2 - Wire the sat nav up to the rear brake light switch so that it only draws power when the ignition is on. I am no expert when it comes to electrics, therefore has anyone done this and would anyone suggest that this is the better option, also how do I do this?
Thanks
Andrew