Cell phone charger - BMW Luxury Touring Community
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post #1 of 18 Old Dec 10th, 2019, 8:23 pm Thread Starter
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Cell phone charger

Good evening everyone,

Iím thinking about making the electrical connections for a cell phone charger at the left turn signal. The previous owner modified the turn signals to include running lights and that circuit is a switched circuit, which I want. Iíll hide the charger with the USB connection up under the outer instrument cover out of the weather. The cord to the phone will be run out by the cockpit light and up to the phone on the shelf. The charger will be a MOTOPOWER MP0609A 3.1Amp Motorcycle USB Charger Kit. Itís output is 5 volts and 3.1 amps.

Anyone see any problems with this setup? Is the current draw of the charger and the running lights (and the turn signals when they are on) too much for the 4 amp fuse on that circuit? Any better place to make the chargerís electrical connections?

Thanks,
Ken

Ken Davis
Mobile, AL
2002 LT
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post #2 of 18 Old Dec 11th, 2019, 4:28 am
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Re: Cell phone charger

I took mine from under the nose cone. Lift the dashtop and you can get to the courtesy light wiring which will do the job.
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post #3 of 18 Old Dec 11th, 2019, 12:19 pm
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Re: Cell phone charger

+1 on that suggestion. Only you have to remove the light to get to the screw to remove the dash and with the light out there is enough room to tap into the wiring. Your charger will only draw about 1 amp from the bike.

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post #4 of 18 Old Dec 11th, 2019, 12:36 pm
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Re: Cell phone charger

Agreed and that is how I used mine for some time. However the cable and power supply were rattling about in there. I wanted a fixed socket on the dash, so decided to go 'further south' to make a more attractive installation. My cable emerges from the bottom of the windscreen mechanism slot and is kept neat by using a strip of double sided foam tape as it emerges. The USB socket is fixed the same way.

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post #5 of 18 Old Dec 14th, 2019, 12:13 pm
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Re: Cell phone charger

I'm a fan of the Juiced Squeeze. It's built for dirt bikes so it's rock solid and is a 10w wireless charger so I can run GPS, music, and whatever I want all day without losing charge. It's not cheap, but I've used earlier versions of this mount on my GS and other bikes and it's by far the best I've seen. I ran mine through a fuzeblock, but any switched 3 amp supply should do it.

https://shop-hondogarage.com/product...ng-phone-mount
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post #6 of 18 Old Dec 17th, 2019, 4:05 am
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My Solutions was as follows: took a good size wire from battery via fuse to a gloveboxmounted switch. That switch is now behind the locked lid. Then I ran wires from there to Ram-mount on my "tank" and other one on left side of "the stingray". There I mounted 2*2,1amp usbsocket, marinetype. and waterproof. Now my tomtom has constant power on the mount and Wi-Fi via cellphone . Also phone is always easy to get charged.
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post #7 of 18 Old Dec 17th, 2019, 7:22 am
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Re: Cell phone charger

Quote:
Originally Posted by kend52 View Post
Good evening everyone,

Iím thinking about making the electrical connections for a cell phone charger at the left turn signal. The previous owner modified the turn signals to include running lights and that circuit is a switched circuit, which I want. Iíll hide the charger with the USB connection up under the outer instrument cover out of the weather. The cord to the phone will be run out by the cockpit light and up to the phone on the shelf. The charger will be a MOTOPOWER MP0609A 3.1Amp Motorcycle USB Charger Kit. Itís output is 5 volts and 3.1 amps.

Anyone see any problems with this setup? Is the current draw of the charger and the running lights (and the turn signals when they are on) too much for the 4 amp fuse on that circuit? Any better place to make the chargerís electrical connections?

Thanks,
Ken
This only draws 1.3 A from the bike so almost anywhere should do. Having said that, I always prefer to run accessories directly from the battery (well, directly from my Fuzeblock). Two reasons: 1. It keeps the bikeís wiring harness stock which means less likelihood of a future issue with a corroded wire splice, 2. It makes like much easier for the next owner who doesnít have to try to figure out the non-stock wiring.

If you are using your phone for navigation, the having a dedicated USB port is useful. If you only need to occasionally top off your phone during a long day, then the Powerlet USB adapters work quite well. Obviously, these consume a Powerlet port so that could be a problem is you also use heated clothing.

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post #8 of 18 Old Dec 17th, 2019, 12:26 pm
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Re: Cell phone charger

Quote:
Originally Posted by Scimitar View Post
Just curious, what's the metal clip used for?

Ken
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'13 Dark Graphite Metallic K16GTLD, 24K miles
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Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
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post #9 of 18 Old Dec 17th, 2019, 12:31 pm
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Re: Cell phone charger

Quote:
Originally Posted by bruincounselor View Post
That looks similar to the upcoming RAM Tough-Charge X-Grip mounts.

I'm interested in the RAM Quick-Grip series, as I think that would provide more of a cradle to keep the phone centered over the charging puck.

With wireless charging and Bluetooth, it'll be nice to just drop the phone in place and not have to plug anything in at all.

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles
'09 Magnesium Beige Metallic K13GT, 63K miles
'03 Anthracite Metallic K12LTC, 66K miles
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#143, IBA# 366, MOA# 111996, SCMA# 24032


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Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
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post #10 of 18 Old Dec 17th, 2019, 1:39 pm
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Re: Cell phone charger

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Originally Posted by meese View Post
Just curious, what's the metal clip used for?
For the 'phone. It has a lanyard attached and I tether it there just in case it comes loose.
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post #11 of 18 Old Dec 17th, 2019, 8:46 pm
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Re: Cell phone charger

Lifeproof case with a lanyard?

Nice...

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles
'09 Magnesium Beige Metallic K13GT, 63K miles
'03 Anthracite Metallic K12LTC, 66K miles
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#143, IBA# 366, MOA# 111996, SCMA# 24032


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Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
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post #12 of 18 Old Dec 18th, 2019, 4:16 am
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Re: Cell phone charger

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Originally Posted by meese View Post
Lifeproof case with a lanyard?

Nice...
Lifeproof maybe, waterproof, certainly not if you have anything plugged in to it as I found to my cost. I have now changed to a different and more bulky case which IS waterproof.
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post #13 of 18 Old Dec 18th, 2019, 7:18 am
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Re: Cell phone charger

Quote:
Originally Posted by meese View Post
That looks similar to the upcoming RAM Tough-Charge X-Grip mounts.

I'm interested in the RAM Quick-Grip series, as I think that would provide more of a cradle to keep the phone centered over the charging puck.

With wireless charging and Bluetooth, it'll be nice to just drop the phone in place and not have to plug anything in at all.
The RAM product appears to still be using spring tension to hold the phone. No thanks. The Juicer uses positive pressure from a screw and has a ball detent mechanism so it won't ever loosen. Night and day difference. Also, the posts on the juicer are adjustable so you can change the location around buttons and such to get a solid mount of your phone every time. I use this offroad so I know how well it holds the phone. No tether needed.
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post #14 of 18 Old Dec 29th, 2019, 9:04 am
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Re: Cell phone charger

Scimitar
Can you advise what charger you have, where you picked up the USB connector and what do you mean by "further south" exactly?
I see you use a magnetic mount. What have you affixed to upper shroud? Thanks
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post #15 of 18 Old Dec 29th, 2019, 12:39 pm
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Re: Cell phone charger

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Originally Posted by Swampboy View Post
Scimitar
Can you advise what charger you have?
It is a single port charger typical of Chinese suppliers. I fixed it down with 'badge' tape, without their supplied clip.

Quote:
Originally Posted by Swampboy View Post
where you picked up the USB connector?
https://rover.ebay.com/rover/0/0/0?m...2F392476654061

Quote:
Originally Posted by Swampboy View Post
and what do you mean by "further south" exactly?

Further south from the windscreen! If you remove the dash top, you can easily get to the cable that supplies the courtesy light, so a quality splice can be made there which is also out of the weather.

Quote:
Originally Posted by Swampboy View Post
I see you use a magnetic mount. What have you affixed to upper shroud? Thanks
Just the magnets via their original sticky pads. The magnets do come in different strengths, I bought some polished ones rather than rubber coated originally and they were useless.
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post #16 of 18 Old Dec 29th, 2019, 2:56 pm
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Re: Cell phone charger

In case it helps:
I installed one of these. There are many spots where you can drill a 30mm hole in the tupperware using one of these.
You can tap the wires of one of the 12V DIN connectors (front or rear left), they're key switched, and you can use these to tap the wires and use these for the female part of the blade connector in case you want a nice wire harness.
Before installing, I used one of these.
And you get a pretty accurate reading of your battery voltage both while engine is off and running (alternator charge voltage).

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post #17 of 18 Old Dec 29th, 2019, 3:58 pm
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Re: Cell phone charger

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)and you can use these to tap the wires and use these for the female part
Nooooooooo! The most dreadful method ever invented and will cause nothing but grief a few months down the line. Honestly, I would rather see twisted wires and insulation tape than those abominations!

Connections should be soldered lightly and covered ideally with heatshrink. Otherwise self amalgamating tape will give a waterproof and reasonably stiff connection. If you are reluctant to cut a wire, a half way house is to use a razor to remove half an inch of insulation, then wrap the splice around it tightly. Solder it and then bind it with self amalgamating tape keeping the splice parallel to the parent for an inch or two. I like to then wrap with "fluffy" loom tape.

PLEASE don't even transport those Scotchloks, let alone use them!

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post #18 of 18 Old Dec 29th, 2019, 5:24 pm
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Re: Cell phone charger

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Originally Posted by Scimitar View Post
Nooooooooo! ...

PLEASE don't even transport those Scotchloks, let alone use them!
Yes, there's some truth in this. Any extra connection point is a failure point, no matter what connection or connector type is used. Soldering can be done badly, vibrations can damage it (solder becomes breakable as it ages), connectors oxidate or become loose, and so on.
Yet some wires in certain harness parts are so tight, soldering around those can be very tough for beginners. Yet I've been using such splices building/modifying industrial controls and they were time tested. Nevertheless, anyone doing this kind of work should know what is being done. Recommended for experienced people, not for novices.

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