So I'm about to take a feed from the side light in order to get a 12v switched supply to my new tomtom. Am I best tapping into the sidelight supply close to the bulb itself or further back on the loom. Access is very easy close to the sidelight bulb on my gen 1 and probably the easiest way but wondering if this is best practise. Also going to give the positap product a try. Anyone used these before? Any advise greatly appreciated.
Any easily accessible switched feed would work. Not used the positap products before, all I would suggest is to make sure you weatherproof everything, water gets in the places you wouldn't expect if you get caught out in the rain. Also be careful to make sure that your wires are not going to catch on anything and therefore rub through the insulation causing short circuits and therefore blown fuses etc.
I could do it that way but my battery terminals are already congested with optimate and USB socket connections. It's probably just as easy to take a feed with the positap connectors from the sidelight under the headlight. The only downside I can see with positap connectors is they aren't waterproof.
You will need a waterproof connection. You could splice the wires and solder them together using heat shrink to effect a good waterproof covering.
Joined Oct 2015
155 Posts | 10+
leicester
The tomtom rider I have needs 12v to the cradle which then reduces to 5v before passing to the sat nav. I was hoping the cradle would take 5v feed and splice into a usb cable but it needs 12v. Looks like I'm going to have to get my soldering iron out after all and order an led side light for good measure as I'll talk the feed from the sidelight.
A quick update. I spliced into the running light cabling and soldered the cables together. I also swapped the 501 bulb out for a cree led version to lessen the current draw. All back together and everything still works... I'm amazed 
something like this.might be usefull , looks a lot easier than cutting and splicing .
5 x ADD-A-CIRCUIT BLADE STYLE ATM Tap Piggy MINI FUSE HOLDER + 15A FUSE | eBay
i wish id found these before i fitted my power feed for sat nav , i ran mine from a switched live at the fuse box , very very fiddly to splice in .
5 x ADD-A-CIRCUIT BLADE STYLE ATM Tap Piggy MINI FUSE HOLDER + 15A FUSE | eBay
i wish id found these before i fitted my power feed for sat nav , i ran mine from a switched live at the fuse box , very very fiddly to splice in .
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