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Stereo Wiring Diagram, 07 Pontiac G5

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Member - Posts: 1
Member spacespace
Joined: February 13, 2007
Posted: February 14, 2007 at 1:59 AM / IP Logged  
I've searched the net for hours on end, and I can't seem to find a wiring harness diagram for an '07 G5 GT 6 disc changer with the included 10" subwoofer and 6 speakers. I'm trying to wire in an RCA converter to install an additional amplifier and 2 12" subwoofers, but I've encountered many problems. I've isolated the left and right rear speakers, ignition wire, ground wire, and power wire, but I'm having trouble figuring the polarity of the speaker wires without a tester. Any help would be greatly appreciated.
Member - Posts: 5
Member spacespace
Joined: March 08, 2007
Posted: March 08, 2007 at 2:48 AM / IP Logged  

Usually in the G5's and cobalts they'll be a wire harness in a black cover running from the woofer to the amp on the back which will be the Sub leads (white(+) black (-)) if you have a problem with that just goto the rear speakers and all GM's the + polarity is the darker colour (IN THE REAR ONLY) good luck

wiring colours:

Radio 12v
Stereo Wiring Diagram, 07 Pontiac G5 -- posted image.
Radio Ground
Radio Ignition
Radio Illumination
Factory Amp Turn-on
Power Antenna
LF Speaker +/-
RF Speaker +/-
LR Speaker +/-
RR Speaker +/-

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Disclaimer: *All information on this site ( ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

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