Chevrolet Cobalt Car Stereo and Speaker Replacement
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Car Stereo Removal and Installation
Chevrolet Cobalt

 

   
Most common stereo problem for single CD player, will not load and clicks when attempting to eject. 6 CD changer jammed, will not accept or eject CD's.
See Car Stereo Repair.
   

Front Speaker Replacement with Door Panel Removal
Chevrolet Cobalt

   
Factory Wire Color Codes
See Diagrams Below
   
Aftermarket Wire Color Codes
See Diagrams Below
   
Speaker Phasing
Installing Aftermarket Speakers and Proper Hook-up
   
NO AUDIO
With aftermarket stereo installation?
   
Erratic Volume Control
DIY Repair
   
Chevrolet Cobalt How to Remove Rear Deck Speakers
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Installing Speakers, Removing and Replacing

Rear Deck Speaker Removal and Installation

Replacing Speakers, Install and Remove 1.1) Open trunk and pull both rear seat releases.
Installing Speakers, Removing and Replacing 2.1) Lower both rear seat cushions to down position.
Replacing Speakers, Install and Remove 3.1) At left side of rear seat back, gently pry under panel to begin the removal of panel pin.
Installing Speakers, Removing and Replacing 4.1) With panel pin slightly removed, pry at panel pin to remove.
Replacing Speakers, Install and Remove 5.1) At right side of rear seat back, gently pry under panel to begin the removal of panel pin.
Installing Speakers, Removing and Replacing 6.1) With panel pin slightly removed, pry at panel pin to remove.
Replacing Speakers, Install and Remove 7.1) Gently pry plastic cover from under right head rest to release clips. All clips release with pressure.
Installing Speakers, Removing and Replacing 8.1) Remove panel and set to side.
Replacing Speakers, Install and Remove 9.1) Gently pry plastic cover from under left head rest to release clips. All clips release with pressure.
Installing Speakers, Removing and Replacing 10.1) Remove panel and set to side.
Replacing Speakers, Install and Remove 11.1) Remove two bolts securing head rest assembly.
Installing Speakers, Removing and Replacing 12.1) Lift head rest assembly up.
Replacing Speakers, Install and Remove 13.1) Remove head rest assembly and set to side. Repeat removal for opposite head rest.
Installing Speakers, Removing and Replacing 14.1) Along left side of car, gently pull on top edge of side panel releasing clips.
Replacing Speakers, Install and Remove 15.1) Pull panel from side of car releasing remaining clips.
Installing Speakers, Removing and Replacing 16.1) After releasing clips, lift panel up to release two tabs into rear deck panel.
Replacing Speakers, Install and Remove 17.1) Along right side of car, gently pull on top edge of side panel releasing clips.
Installing Speakers, Removing and Replacing 18.1) Pull panel from side of car releasing remaining clips.
18.2) After releasing clips, lift panel up to release two tabs into rear deck panel.
Installing Speakers, Removing and Replacing 19.1) Gently pull down top of side window panel to release clip.
Replacing Speakers, Install and Remove 20.1) Work your way along top edge of side window panel releasing next clip.
Installing Speakers, Removing and Replacing 21.1) Work your way along top edge of side window panel releasing next clip.
Replacing Speakers, Install and Remove 22.1) Grasp bottom edge of side window panel to release clips.
Installing Speakers, Removing and Replacing 23.1) With most of side window panel released, front seat belt assembly will hold front of panel into place.
Installing Speakers, Removing and Replacing NOTE - There will be times in the following steps when you will want to pull extra seat belt from rear deck to help with removing rear deck.
Replacing Speakers, Install and Remove 24.1) Grasp edge of rear deck panel.
Replacing Speakers, Install and Remove 25.1) Lift leading edge of rear deck panel up.
Installing Speakers, Removing and Replacing 26.1)  Allow rear deck panel to clear over panel covering bottom edge of rear deck panel.
Replacing Speakers, Install and Remove 27.1) Repeat for opposite side of rear deck panel.
Replacing Speakers, Install and Remove 28.1) Reach under front edge of rear deck panel, toward back of panel. Lift back of panel up to release clips along back edge of panel while pulling panel toward front of car.
Installing Speakers, Removing and Replacing NOTE - These next steps get a little tricky. You will have to work with side window panels, lifting and twisting them, going one side of car to the other while pulling rear deck panel toward front of car.
Replacing Speakers, Install and Remove 29.1) With one side of rear deck panel pulled more forward, it will clear side window panel easier.
Installing Speakers, Removing and Replacing 30.1) Pull panel down from rear deck.
Replacing Speakers, Install and Remove 31.1) Remember to gather seat belt straps for more play during these past few steps to help with working side to side while pulling rear deck panel forward.
Installing Speakers, Removing and Replacing 32.1) Gently guide rear deck panel toward trunk for better access to rear deck speakers.
Replacing Speakers, Install and Remove 33.1) Remove screws securing speakers to rear deck. Release trigger on connector to disconnect and removal.
   
Chevrolet Cobalt - Wire Diagrams - Wire Color Codes
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Wire Diagrams, Cadillac, Chevrolet, Corvette, Geo, GMC, Oldsmobile, Pontiac and Saturn.
DO NOT CUT FACTORY WIRE HARNESS
   
Aftermarket stereo installation? Why purchase the aftermarket wire harness? Installation is easier, no guess work with wire color codes and a Headache Saver! Factory wire colors codes are not universal. See Aftermarket Videos above.
We discourage cutting the factory wire harness.
This section aids in troubleshooting and determining wire color codes, phasing for speaker hook up, locating power wires for installing external devices and add-ons.
Diagrams may not be applicable to Bose Audio Systems
   
GM Wire Harness Diagram, Wire Color Codes and Pin Configuration Wire color codes and wire diagrams
IMPORTANT - There are two (2) yellow*, two (2) gray and two (2) brown wires in this harness. Locate the +12 volt constant wire first. Label it or splice to constant wire on aftermarket stereo first. Swapping yellow wires will cause damage to any aftermarket stereo. Check fuses if your unable to find +12 volts.
1   Gray Left Front Speaker (-)
2   Tan Left Front Speaker (+)
3   Dark Green Right Front Speaker (-)
4   Light Green Right Front Speaker (+)
5   Black Ground
6   Brown Illumination
7   Gray Dimmer
8   Blank  
9   Yellow* (Green) Switched +12 volts
10   Orange Constant +12 volts
11   Light Blue Right Rear Speaker (-)
12   Dark Blue Right Rear Speaker (+)
13   Yellow Left Rear Speaker (-)
14   Brown Left Rear Speaker (+)
   
All wire diagrams and color codes are not 100% accurate.
   

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Factory Car Stereo Repair, Inc.
1987 Corporate Square, Suite 159
Longwood, Fl. 32750