Chevrolet Blazer / S-10 Pickup How to Remove Car Stereo
Corvette Bose Radio Removal and Repair

Chevrolet Blazer / S-10 Pickup
How to Replace and Install Car Stereo

Corvette Bose Radio Removal and Repair 1.1) Remove ash tray.
1.2) Remove one exposed screw at left bottom side of car stereo.
Corvette Bose Radio Removal and Repair 2.1) Open glove box and remove two exposed screws along right side of car stereo.
Corvette Bose Radio Removal and Repair 3.1) Pull bottom edge of car stereo trim panel away from dash and down to release top latches.
3.2) Disconnect connectors at lighter and set car stereo trim panel to side.
Corvette Bose Radio Removal and Repair 4.1) Remove two exposed screws, one on each side of car stereo.
4.2) Pull car stereo forward, disconnect antenna and connectors.
   
Chevrolet
CLn Radio Code
How to Clear
   
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
   
Front and Rear Speaker Removal and Installation presently not available.
   
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
   
1978 - 1992
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.
Car Stereo Wire Color Codes and Wire Diagrams Wire color codes and connector pin outs
1   Black Ground
2   Gray Dimmer
3   or Blank Antenna/Amplifier Trigger On
4   Yellow Switched +12 volts
5   Light Green Right Front Speaker (+)
6   Tan Left Front Speaker (+)
7   Gray Left Front Speaker (-)
8   Dark Green Right Front Speaker (-)
9   Brown Left Rear Speaker (+)
10   Dark Blue Right Rear Speaker (+)
11   Light Blue Right Rear Speaker (-)
12   Yellow Left Rear Speaker (-)
    Factory Wire Harness On Factory Car Stereo  
13     Orange Orange Constant +12 Volts
14     Brown Brown Illumination

Corvette Only with Second One Wire Black Connector

15       Pink Bose Amplifier Trigger On
   
1988 - 2005
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 (+)
   
Wire Codes and Pin Lay Out on Back of Factory Car Stereo

Wire color codes, wire diagrams, connectors and configuration
Note the location of the connector "Keys" in yellow.

 

1 Ground
2 Right Front Speaker (+)
3 Right Front Speaker (-)
4 Left Rear Speaker (-)
5 Left Rear Speaker (+)
6  
7  
8  
9  
10  
11  
12  
13 Illumination
14 Right Rear Speaker (+)
15 Right Rear Speaker (-)
16 Left Rear Speaker (-)
17 Left Rear Speaker (+)
18  
19  
20  
21 Dimmer
22  
23 Switched +12 Volts
24 Constant +12 Volts
   
All wire diagrams and color codes are not 100% accurate.
   

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