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2005 - After market stereo has no sound

11K views 1 reply 2 participants last post by  06mazda3 
#1 · (Edited)
2005 LS - Aftermarket stereo has no sound

Hello Everyone,
I recently bought a Boss 824UAB stereo, 70-2103 metra wiring harness, etc. for my '05 Malibu LS.
I didn't mind losing DIC or door chimes so the setup is fine for me.
After completing the installation the stereo powers on normally and I'm able to cycle through sources but I'm getting no sound to the speakers using either the radio or cd player. (NOTE: The door chimes still work.)
I've checked over both fuse panels and none are blown and when I reconnect the factory unit everything works fine.
I've checked the harness connections numerous times and the only one that seems suspect is the blue/white remote/ant. power wire coming from the stereo.
The metra harness has a solid blue power ant. wire that I've connected it to, but I'm wondering if this is the weak link.
In my research I've found that likely the factory amp isn't getting powered on, but if this is the case I'm at a loss as to what to do.
The only wiring diagrams I can find conveniently leave out the amp trigger wire so I have no idea where the blue/white wire from the stereo should be connected if it's not to the blue power ant. wire on the metra harness.
Any help would be greatly appreciated.

Here is the wiring diagram I've been referencing:
2005 Chevrolet Malibu Car Radio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: The radio harness does not provide a switched power source. Run a wire to the fusebox or ignition switch harness for switched power.
Car Radio Ground Wire: Black/White or Black
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: Pink
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
 
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