Trying to install factory cd-cassette combo from a 1999 ford explorer into a 1996 ford crown victoria with only a cassette radio player. need to know wiring data on both vehicles.

Hi and welcome to FixYa,

On your need for the radio wiring of 99 Ford Explorer and a 96 Ford Crown Victoria, see below wiring scheme:



Confirm with a voltmeter on the +12 and an ohmmeter for speaker continuity.

Good luck and thank you for asking FixYa.

Ok here you go, source:
Factory service manuals.


1999 Ford Explorer Car Stereo Radio Wiring Diagram.
Car Radio Constant 12V+ Wire: Light Green
Car Radio Switched 12V+ Wire: Yellow/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Light Blue/Red
Car Radio Dimmer Wire: N/A
Car Radio Antenna Trigger Wire: Blue
Car Radio Amp Trigger Wire: N/A
Front Speakers Size: 5′ x 7′
Front Speakers Location: Doors
Left Front Speaker Wire (+): Orange/Light Green
Left Front Speaker Wire (-): Light Blue/White
Right Front Speaker Wire (+): Dark Green/Orange
Right Front Speaker Wire (-): White/Light Green
Rear Speakers Size: 5′ x 7′
Rear Speakers Location: Rear Door
Left Rear Speaker Wire (+): Gray/Light Blue
Left Rear Speaker Wire (-): Tan/Yellow
Right Rear Speaker Wire (+): Orange/Red
Right Rear Speaker Wire (-): Brown/Pink

1996 Ford Crown Victoria Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Pink/Light Blue
Car Radio Accessory Switched 12v+ Wire: Yellow/Black
Car Radio Ground Wire: Black/Light Green
Car Radio Illumination Wire: Light Blue/Red
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: Blue
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 (+): Orange/Light Green
Left Front Speaker Negative Wire (-): Light Blue/White
Right Front Speaker Positive Wire (+): White/Light Green
Right Front Speaker Negative Wire (-): Dark Green/Orange
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Gray/Light Blue
Left Rear Speaker Negative Wire (-): Tan/Yellow
Right Rear Speaker Positive Wire (+): White/Pink
Right Rear Speaker Negative Wire (-): Orange/Red