1997 Chevrolet Astro Van Stereo Wiring Information
Radio Battery Constant 12v+ Wire: Orange
Radio Accessory Switched 12v+ Wire: Yellow
Radio Ground Wire: Black
Radio Illumination Wire: Gray
Stereo Dimmer Wire: Brown
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
The following information is currently not available:
Stereo Antenna Trigger Wire
Stereo Amp Trigger Wire
Audio Front Speakers Size
Audio Rear Speakers Size
*If you know any of the above or any other missing information please use the comment box below to notify us.
The front doors of a 1997 Astro has a platic mount that is made for a 5 25″; (5 1/4″) midrange driver, but according the Crutchfeild if you remove that mounting ring you can load a 6 5″ mid bass driver up frobt. The rear pillar locations can hold a 4″ mid for rear fill ambienice to balance out the front stage to improve imaging and better soundstaging. See this link http://www.crutchfield.com/car/outfitmycar/mycar.aspx