Chevrolet Blazer, S-10 Pickup Car Stereo Removal and Install
Chevrolet Blazer S-10 Pickup How to Remove and Install Car Stereo See 1998 - 2002 for similarities. 1.1) Remove one screw above the instrument cluster. 2.1) Remove two screws from top of knee bolster panel. 3.1) Remove two screws from bottom of knee bolster panel. 4.1) Release top edge of knee bolster panel from dash. 5.1) Remove one exposed screw from left side of steering column. 6.1) Remove one exposed screw from right side of steering column. 7.1) Pull dash and car stereo trim panel from dash. *Caution - Push and hold Emergency Flasher Switch down to allow panel to clear over it. This switch is expensive, be careful! 8.1) Lift right side of trim panel for access to mounting screws on car stereo. 8.2) Remove mounting screws from car stereo. 9.1) Pull car stereo from dash, disconnect antenna and connector.
	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 Replacement 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. 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 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 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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