Wiring up for power on the BMW R1200GS LC

I would love to install some electronic accessories such as fog lamps, USB power and DVR camera (just to name a few) to my newly acquired BMW R1200GS LC. As I was researching on how to wire up to supply power to these components, I’ve come across a diverse range of opinions from the “unlike the Japanese bikes, you should never mess with the CAN-bus system of the BMW” to the really expensive solutions such as Fuzeblocks (USD90) and Hex ezCan (USD170).

While the above gadgets have some additional fanciful features to justify their price tags, in reality, I was searching for a simple, elegant, inexpensive solution to power my electronics without interfering with the CAN-bus on the BMW and must also not fry the onboard electronics of the R1200GS should any of the add-on electronics decide to turn rogue.

I was pretty impressed by the BMW R1200GS LC under-seat super-neat layout.

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$1 DIY Motorcycle Battery Charger

Since I published the blog posts on my dead motorcycle battery, I have received a couple of queries asking me what I used to charge my lead acid battery and where I bought it from. And after I told them that I built it from some electronic scrap parts and it cost me close to nothing, they were surprised.

So, I’ve decided to write this post to share with you on how you can build your very own DIY home made battery charger for almost free – well, if you already have most of the parts like I did. And even if you don’t, you can probably get it quite cheaply from an electronics parts store such as those in Sim Lim Square.  Continue reading “$1 DIY Motorcycle Battery Charger”