Question about Cars & Trucks
The stereo diagram for the factory to a new stereo installation
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Posted on Jan 02, 2017
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your installing an aftermarket cd player in place of factory radio?
it would be best to buy the harness adapters. they plug into the factory harness and will tell you what all the wires are. harness is usually only 10-15 dollars. here is the diagram also.
Posted on Oct 02, 2008
SOURCE: stereo wiring diagram
1999 GMC Sierra Truck Radio Wiring Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
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: N/A
Left Front Speaker Positive Wire (+): Tan
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: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
Posted on Apr 15, 2009
If this is the kind with 4 holes in i, then you need to get the removal tools or use 4 nails or long screwdrivers all at same time and pull out the stereo.
If you do not have the holes, then you may have the kind that requires tools to slide in sides between stereo and bracket to loosen the hold. A butterknife sometimes works for this..
Posted on Sep 04, 2009
go to link the year is diff but the procedure is the same. scroll to bottom of page
Posted on Sep 09, 2009
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