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12V Power in Door for Tweeters

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Old Mar 24, 2009 | 07:42 AM
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pennstatebadboy's Avatar
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Default 12V Power in Door for Tweeters

I know it's kind of tacky, but I'm replacing the speakers in my doors, and I found these cheap tweeters that light up. There's a ring around them that glows blue.

I originally thought the lights were some sort of super efficient LED that were powered from the speaker wire, but they need their own 12V supply.

My question is if there is a power source going into the door that I can tap into. Most cars have power window switches in the door, but ours don't, and I'm assuming power only goes to the motors when the window is raised or lowered from the console. Same with the locks.

What are my options, if any?
 
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Old Mar 24, 2009 | 11:20 AM
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MMZ_TimeLord's Avatar
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Default Re: 12V Power in Door for Tweeters

This is where the service manual is your friend. You can locate the schematics for the various door circuits and see if any of the wires are hot. I expect there are none.

If that is the case, you have to investigate whether or not the duct from the body to the door is hollow and just a path for wires or if there is an actual bulkhead seal that the existing wires pass through.

Also, sometimes, even if there is a true bulkhead seal, the factory may have an extra wire or two that are not used... you only need one as there are grounds everywhere.

Good luck!
 
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Old Mar 24, 2009 | 01:19 PM
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Default Re: 12V Power in Door for Tweeters

I do have the service manual, and it does show the wiring for the windows and the door locks, but I'm not well-versed in reading the diagrams.

I was hoping someone had a siimilar problem and could share their solution.

Cheers!
 
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Old Mar 25, 2009 | 06:31 AM
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kingkub57's Avatar
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Default Re: 12V Power in Door for Tweeters

Try running your own wires through the door conduit tube for the factory wires, then you could get a good ground and a positive source from the fuse block on the drivers side, and find wires on the passenger side using a test light, to tap in to just a thought ?
 
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Old Mar 25, 2009 | 08:54 AM
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Default Re: 12V Power in Door for Tweeters

That sounds like a lot of work.

Wouldn't it be easier to place a Tesla coil in the hatch and transmit the power wirelessly?

Has anyone tried this?
 
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Old Mar 25, 2009 | 02:28 PM
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ppro's Avatar
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Default Re: 12V Power in Door for Tweeters

Originally Posted by pennstatebadboy
That sounds like a lot of work.

Wouldn't it be easier to place a Tesla coil in the hatch and transmit the power wirelessly?

Has anyone tried this?
Yeah, that's the ticket...Yeah Yeah...

There's always the option to use <gasp> small batteries...
 
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Old Mar 25, 2009 | 09:06 PM
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Default Re: 12V Power in Door for Tweeters

Just run the wires through the conduit like posted earlier, there are hot wires in the kick panels...they might be for airbags but there should be power. Take a quick look, I think you'll find easy access to a hot wire.

Dh
 
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Old Mar 26, 2009 | 09:39 AM
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Default Re: 12V Power in Door for Tweeters

I conduit!
 
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Old Mar 26, 2009 | 11:28 AM
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From: MOFN, AL, 70 miles from George
Default Re: 12V Power in Door for Tweeters

Originally Posted by pennstatebadboy
That sounds like a lot of work.

Wouldn't it be easier to place a Tesla coil in the hatch and transmit the power wirelessly?

Has anyone tried this?
OK, but the filter caps you'll need to take the whine out of the music will be large!
 
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