Stereo wiring schematic

Harvey N Tawatao

• 3854 Answers
• Posted on Dec 23, 2009

SOURCE: geo prizm stereo radio wiring diagram

1994 Geo Car Stereo Wiring Schematic
Car Radio Battery Constant 12v+ Wire: White
Car Radio Accessory Switched 12v+ Wire: White/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Yellow
Car Stereo Dimmer Wire: Red/Green
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): Black/Blue
Right Front Speaker Positive Wire (+): Blue
Right Front Speaker Negative Wire (-): White/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Light Green/Black
Right Rear Speaker Positive Wire (+): Gray
Right Rear Speaker Negative Wire (-): Gray/Black

SOURCE: 91 geo prizm stereo wiring diagram

Check with a Volt meter for 12 v constant and 12v when key is turn it on and a ground . The rest of them is speaker wires, to check the speaker wires all u need is s AAA or AA battery. Put the wire on each end of the battery + and - with two wires you will hear speaker static then you know which speaker..