1997 Nissan Altima Stereo Information Constant 12V+ Pink Switched 12V+ Blue Ground Vehicle Chassis Illumination Red/Green Dimmer Red/Yellow Antenna Trigger Green/White Antenna Right Rear Front Speakers 4" x 6" Doors Left Front (+) Brown Left Front (-) Black/Red Right Front (+) Light Green Right Front (-) Black/Yellow Rear Speakers 6 1/2" Rear Deck Left Rear (+) Orange Left Rear (-) Black/Pink Right Rear (+) Blue Right Rear (-) Black/White