Silverado 1500 and GMC Sierra Extended Cab Wire Color Codes, Radio and Speaker Removal
	Chevrolet Silverado, GMC Sierra Car Stereo Removal
	Chevrolet Silverado Front Speaker Removal
	Speaker Replacement and Aftermarket Installation
	Factory Wire Color Codes See Diagrams Below
	Aftermarket Wire Color Codes See Diagrams Below
	Troubleshooting Poor Reception and Antenna Replacement
	Speaker Phasing Installing Aftermarket Speakers and Proper Hook-up Speaker Phasing Font Left   Front Right + Tan   + Light green - Gray   - Dark green       Rear Left   Rear Right + Brown   + Dark blue - Yellow   - Light blue
	NO AUDIO With aftermarket stereo installation?
Chevrolet 1500 How to Remove and Replace Rear Speaker Chevrolet 1500 Rear Speaker Removal and Installation with "Tech Tips" for Aftermarket Speakers 1.1) Remove one screw from cup holder cavity. 2.1) Remove one screw from door hold cavity. 3.1) Gently pry top edge of insert panel around door open handle. 4.1) Twist insert panel over door open handle to remove and set to side. 5.1) Starting at top of door panel, gently pry panel from door releasing clips. 6.1) Work your way around entire panel releasing clips. 7.1) Remove entire door panel and set to side. 8.1) Push side clip in to release clip on speaker. 9.1) Swing speaker out from door panel and remove speaker. 10.1) Release trigger at connector on speaker to disconnect. NOTE - Of course aftermarket 4" X 6" speakers will not mount in the fashion, you will be drilling new holes for mounting.     AFTERMARKET SPEAKER INSTALLATION WIRE CODE Left Rear Speaker Right Rear Speaker Yellow + Light Blue + Brown - Dark Blue -
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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