Car stereo wiring (1993 Ford Taurus GL)

My guess is that ford did not change that much in a year.

1994 Ford Taurus Car Stereo Radio Wiring Diagram
Radio Constant 12V+ Wire: Green/Yellow
Radio Ignition Switched 12V+ Wire: Yellow/Black
Radio Ground Wire: Black/Light Green
Radio Illumination Dimmer Wire: Light Blue/Red
Radio Antenna Trigger Wire: Orange/Blue
Radio Amplifier Trigger Wire: N/A
Front Speakers Size: 6 1/2′
Front Speakers Location: Doors
Left Front Speaker Wire (+): Orange/Light Green
Left Front Speaker Wire (-): Light Blue/White
Right Front Speaker Wire (+): White/Green
Right Front Speaker Wire (-): Green/Orange
Rear Speakers Size: 5′ x 7′
Rear Speakers Location: Rear Deck
Left Rear Speaker Wire (+): Pink/Light Green
Left Rear Speaker Wire (-): Dark Blue/Orange
Right Rear Speaker Wire (+): Pink/Light Blue
Right Rear Speaker Wire (-): Tan/White

Hi,

Most Ford models uses the below wiring scheme for their radio equipment. Pls verify the colors and their connections using a DVM.

Green/Yellow - always on B+12VDC (positive battery terminal)
Yellow/Black - switchable +12 (ACC terminal of your IGN switch)
Black/Light Green - chassis ground
Orange/Blue - remote trigger on for power antenna or external amplifier(s)
Light Blue/Red - park light

Speakers
Orange/Light Green LF+
Light Blue/White LF-
White/Light Green RF+
Dark Green/Red RF -

Pink/Light Green LR+
Dark Blue/Orange LR-
Pink/Light Blue RR+
Light Brown/Red RR-
(R-right, L-left, F-front,RR-right rear)

Hope this be of help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.