Question about 2005 Pontiac Grand Prix

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Radio Wiring Diagram

Where can I get a basic wiring diagram/pinout for a 2005 Pontiac Grand Prix?  I'm trying to install a new dash unit and cannot find a basic pinout.  Thanks!

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  • Anonymous Mar 30, 2014

    Security System on 1997 Pontiac Grand Am is preventing car to continue running. Trying to interchange parts off of a 1996 Pontiac Grand Am. However, there are 4 wires on the '97, but only 3 wires on '96. Can you help?

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Go to www.crutchfield.com.

On the bottom of the page there is a link for product support. On the next page, type "2005 Grand Prix" in the search box and hit enter. The top link shows an image and pinout on models with Monsoon sound systems, the second link for ones without.

Hope that helps! Good luck!

Posted on Jun 20, 2008

  • djfish34ren Jun 20, 2008

    By the way, the Product Support link is under the "More Info" heading.

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2000 Pontiac Grand Prix Car Stereo Wiring Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: Dash
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Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: Rear Deck
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Left Rear Speaker Negative Wire (-): Yellow
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