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common ground audio in vehicles


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410440 
Copper - Posts: 82
Copper spacespace
Joined: January 10, 2007
Location: Canada
Posted: May 08, 2007 at 1:57 AM / IP Logged  

Vehicles with common ground audio systems, RF+ LF+ RR+ LR+ (-), i did an old beemer the other day at the shop, when i pulled out the old aftermarket deck and looked at the harness, it had some small capacitors and crap in wires and other random wires going someplace, now my question is.  Is it possible to rewire common ground systems with capacitors properly and if so how is it done?

Thanks

Matthew Robertson
Senior Installer
Best Buy Deerfoot Meadows
Calgary, AB, Canada
DYohn 
Moderator - Posts: 10,741
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: May 08, 2007 at 8:52 AM / IP Logged  

With capacitors, no, you need to transformer-isolate the speaker leads.  It is much easier to simply use the proper OEM integration device from a company like PAC audio or Peripheral.  They make several devices designed to convert common ground systems to floating ground.

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