2nd accessory plug direct to battery? - K-Bikes.com - Excellence in Motion
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post #1 of 11 (permalink) Old Apr 16th, 2008, 7:14 pm Thread Starter
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2nd accessory plug direct to battery?

I'm thinking about skipping the relay entirely and adding a 2nd accessory plug wired straight to the battery, with an inline fuse of course. I realize if I leave a heated vest or a big power consumer plugged into this with the bike off it'll drain my battery.

However, I'm hoping to use it to provide power to recharge e.g. my cell phone and bluetooth headset overnight while camping. ...it's inconvenient or impossible to recharge these while riding (maybe not the cell phone so much), and I figure the current draw for these will be so small I'll have no battery problems leaving them on overnight.

I suppose it's mainly because of laziness -- it'll be easier to make a BMW -> Cigarette Lighter adapter and plug it in the few times I'll need it than to try to make or buy anything fancier, e.g. a tank bag with power.

Has anyone else done it this way? Ever drained your battery because of it?
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post #2 of 11 (permalink) Old Apr 16th, 2008, 8:19 pm
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I had my dealer do that to mine, and I love it. I have to admit, I've never used it to recharge stuff over night, so I don't have the kind of experience to answer your question directly... But it's darn handy to have. I use a little 12v air pump to air up my tires once in a while, and it's neat to be able to just plug it in without having to mess with the ignition.
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post #3 of 11 (permalink) Old Jun 2nd, 2008, 11:31 am
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Quote:
Originally Posted by bonafidebob
I'm thinking about skipping the relay entirely and adding a 2nd accessory plug wired straight to the battery, with an inline fuse of course. I realize if I leave a heated vest or a big power consumer plugged into this with the bike off it'll drain my battery.

However, I'm hoping to use it to provide power to recharge e.g. my cell phone and bluetooth headset overnight while camping. ...it's inconvenient or impossible to recharge these while riding (maybe not the cell phone so much), and I figure the current draw for these will be so small I'll have no battery problems leaving them on overnight.

I suppose it's mainly because of laziness -- it'll be easier to make a BMW -> Cigarette Lighter adapter and plug it in the few times I'll need it than to try to make or buy anything fancier, e.g. a tank bag with power.

Has anyone else done it this way? Ever drained your battery because of it?
Why not just use one of the accessory plugs that have two outlets?? Couple of different ones available...

DUAL ACCESSORY PLUG ADAPTER AND CABLE
http://www.ascycles.com/detail.aspx?ID=44933
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post #4 of 11 (permalink) Old Jun 2nd, 2008, 9:25 pm
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Quote:
Originally Posted by MeineK100RS
Why not just use one of the accessory plugs that have two outlets?? Couple of different ones available...

DUAL ACCESSORY PLUG ADAPTER AND CABLE
http://www.ascycles.com/detail.aspx?ID=44933
The problem is this dual adapter still goes to the Canbus outlet. A 2nd accessory outlet has to be wired direct to the battery with a fuse and maybe even a switch.

Larry
Deep Blue 2009 K1300GT
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post #5 of 11 (permalink) Old Jun 3rd, 2008, 12:39 am
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Quote:
Originally Posted by larrykay
The problem is this dual adapter still goes to the Canbus outlet. A 2nd accessory outlet has to be wired direct to the battery with a fuse and maybe even a switch.
Aha, I gotcha - misread your post on what you were trying to do...
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post #6 of 11 (permalink) Old Jun 3rd, 2008, 7:03 am
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I realize the OP is from several weeks ago, but for anyone considering a direct-to-battery plug, I recommend Powerlet products. I installed one of these so I could plug in a battery charger without the need to do the Canbus dance. On the GT, there is a "knock out" on the panel just below the stock accesory plug that will accomodate the Powerlet, and installation is very easy.

Bud
2006 K1200GT - Graphite
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post #7 of 11 (permalink) Old Jun 3rd, 2008, 12:06 pm Thread Starter
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Useful info

Quote:
Originally Posted by MeineK100RS
Aha, I gotcha - misread your post on what you were trying to do...
Actually, I posted another thread on getting accessory power for cig lighter adapters into my smuggler trunk.

I think what I'm going to end up doing is something like the Powerlet, going straight to the battery unswitched for the 2nd accessory outlet on the side of the bike. And then a canbus powered accessory outlet from under the seat into the smuggler. Maybe I'll just mount a BMW outlet right to the smuggler wall, and get something like this cord to then plug in my cell phone and ipod chargers. That way everything is nicely removable.

Thanks for all the tips. I'll probably take some of the tupperware off when I install the autocom, which will provide a convenient opportunity to also do the accessory wiring. I ordered one of the shop CDs from ebay as well, it'll be nice to know where BMW says all this stuff should go.
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post #8 of 11 (permalink) Old Dec 16th, 2008, 4:43 pm
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Does any tupperware need to be removed to wire an accessory plug direct to the Battery, or can it be fished behind the panel without removing it?

MOA Member #106320
2003 R1150RT Titan Silver
2008 K1200GT Dark Graphite
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post #9 of 11 (permalink) Old Dec 16th, 2008, 4:58 pm Thread Starter
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I'm not sure if it's strictly necessary, but I took off the left side panel, it made it a lot easier to route the wires and attach them. If I ever get serious and take the tank off I'll probably re-route them to go along the frame, but for now they're fine taped and velcro'd between the tank and the side panel. ...well, and of course you'll need to remove the battery cover to get to the battery.
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post #10 of 11 (permalink) Old Dec 16th, 2008, 9:58 pm
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Just be sure to do it where the bike can be serviced without removing wires. Adds to your shop time and pisses off the tech.

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