Wiring USB Power on my CB400X

My very first DIY mod on the CB400X – wiring up for USB power!

Now, I’m super-dependent on my mobile phone (who isn’t these days??). My iPhone 8 is not only my communications device, but also my GPS navigator. With the screen kept on and GPS active, it takes a huge toll on the phone’s battery. Ideally, it should be hooked up to a USB power source to keep the battery charged.

I’m still awaiting for some other electronic accessories to arrive via mail order. Meanwhile, I’ll need to keep my iPhone happy. So I did some research on how best to tap a 12V source only when the ignition is turned on. Turns out that Honda has an Options Plug tucked neatly underneath the seat which provides a source of 12V (always on) and 12V (only available when ignition is on). Perfect!

Location of the Options Plug where a 12V (ignition on) source can be tapped.

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