Aux. power for GPS and Sat. radio - BMW Luxury Touring Community
 
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post #1 of 8 Old Jul 5th, 2007, 6:30 pm Thread Starter
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Aux. power for GPS and Sat. radio

I just bought a RCU shelf and want to move my GPS and Sat. radio to it. Did I undestand correctly that I Can tap into the map light or are people just running the power cables through there to the battery? Thanks in advance.

David

2003 K1200 LTC Anthracite
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post #2 of 8 Old Jul 5th, 2007, 7:52 pm
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If you're installing the shelf, then yes tap off the maplight.
That said, I have my Sirius mounted on my handlebar and the GPS just above the radio control buttons on the dash. I ran all of my power directly to the battery.

The BEST way to get power to these units is to route the wiring to a seperate fuse box and realy setup (Blue Sea or Centech are the preferred blocks) You can pull power for this box from the driver seat heater. This gives you a power source that is powered up when the key is turned to the on postion. When I get back from the BMWMOA rally, I'm going to install this set up.

Use the seach feature for FUSE BOX and you'll come up with a number of great posts. Here is one that I plan on referring to when I do my install:

http://www.bmwlt.com/forums/showthread.php?t=11657

Good Luck!

Rob V.B.
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post #3 of 8 Old Jul 5th, 2007, 7:54 pm Thread Starter
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Thanks Rob I appreciate the answer.

David

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post #4 of 8 Old Jul 5th, 2007, 8:12 pm Thread Starter
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One more question on the map light which wire is the power? Brown or the purple one? Thanks again.

David

2003 K1200 LTC Anthracite
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post #5 of 8 Old Jul 5th, 2007, 8:56 pm
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Brown wires are always a ground wire on the BMW's.

Mike Trevelino
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post #6 of 8 Old Jul 5th, 2007, 9:07 pm Thread Starter
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Thanks Mike

David

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post #7 of 8 Old Jul 5th, 2007, 9:35 pm
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David..
Check out my pics in the Gallery... I mounted my GPS to the front of the RCU shelf.. workie great.

Also, ran separate power to the bow using fused relay and leads... I use the Seat "power" side of the wiring to activate the relay.. it is "on" with the "ignition", ON position. It switches "off" during engine cranking so there are no power "spikes"...

...............
J.M.J...
Dcn Channing

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post #8 of 8 Old Jul 6th, 2007, 7:07 am
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Quote:
Originally Posted by dpaz
I just bought a RCU shelf and want to move my GPS and Sat. radio to it. Did I undestand correctly that I Can tap into the map light or are people just running the power cables through there to the battery? Thanks in advance.

David,
Since you bought the shelf from me, I'll step in to give you some directions. The long wires that I left hanging from the power outlets go directly to either the battery or to a fuse box (like I have). The smaller wires will need to be grounded. You can either tie them to a brown wire close by or get a good body ground.

I had created a small notch on either side of the maplight to guide the wires through.

Prakash Krishnamurthy

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