Electrical Conections-Help Needed
#1
Hi, the dealer has informed my and BMWNA confirmed that there is a know problem with using the 12v outlets in the car (from dash or rear console) to power any device through the AUX stereo input. That said, before I spend big bucks getting a hard wire setup, is there any easy way to connect to a power source besides the 12v outlets?? I was assuming if I connect device direct to the fuse box or even battery, that the problem (interference) would be eliminated. Am I kidding myself and it would not make a difference.
Any suggestions would be welcome.
Any suggestions would be welcome.
#2
Originally Posted by GADGETEMT' post='478080' date='Oct 4 2007, 06:01 PM
Hi, the dealer has informed my and BMWNA confirmed that there is a know problem with using the 12v outlets in the car (from dash or rear console) to power any device through the AUX stereo input. That said, before I spend big bucks getting a hard wire setup, is there any easy way to connect to a power source besides the 12v outlets?? I was assuming if I connect device direct to the fuse box or even battery, that the problem (interference) would be eliminated. Am I kidding myself and it would not make a difference.
Any suggestions would be welcome.
Any suggestions would be welcome.
These "add-a-fuse" devices work well to pick up power at the fuseblock without cutting into the vehicle wiring. Honestly not sure why there would be less interference though, the outlets are also going back to the fuseblock.
#3
Maybe the difference is on the ground side not the power side. The outlet ground wire would be spliced into a common grounding point with other devices which likely wouldn't be a clean as a dedicated ground you would use for hardwiring.
#4
thanks, actually I am using the power to supply a sat radio receiver. Just like your roady (hard wired).
Will try and run wires all the way to the battery connection under the hood (where you jump the car). Likely that is the most solid point to connect. If that works, I wil try and work from the main fuse box.
Will try and run wires all the way to the battery connection under the hood (where you jump the car). Likely that is the most solid point to connect. If that works, I wil try and work from the main fuse box.
#5
Originally Posted by GADGETEMT' post='478146' date='Oct 4 2007, 09:51 PM
thanks, actually I am using the power to supply a sat radio receiver. Just like your roady (hard wired).
Will try and run wires all the way to the battery connection under the hood (where you jump the car). Likely that is the most solid point to connect. If that works, I wil try and work from the main fuse box.
Will try and run wires all the way to the battery connection under the hood (where you jump the car). Likely that is the most solid point to connect. If that works, I wil try and work from the main fuse box.
The current draw is so low on a sat radio receiver I would try to find an switched circuit to tap (like the green/yellow wire that most of us with hardwired radar detectors have used). If you go to the underhood battery connection it will not be switched so you will have to remember to turn it off.
Btw, I think all of the circuits in the glovebox fuseblock are battery fed and only the ones in the rear are switched. That's why I just ran mine to the outlet.
#6
Thanks again, the unit actually works fine (albeit-poor sound quality) via the FM modulator. When properly set up with the aux input it's great. I tried all three 12v outlets - 1 in dash and 2 in rear of center console. Might try the 12v power cord that plugs into the flashlight spot in the glove box though.. My thought is that what ever I tap into, it will be switched, just meant to run to battery to see if elliminated problem.
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