1991 Ford Mustang Stereo Wiring Information
Radio Battery Constant 12v+ Wire: Green/Yellow
Radio Accessory Switched 12v+ Wire: Yellow/Black
Radio Ground Wire: Chassis
Radio Illumination Wire: Blue/Red
Stereo Antenna Trigger Wire: Orange/Blue
Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Light Blue/White
Right Front Speaker Positive Wire (+): White/Green
Right Front Speaker Negative Wire (-): Green/Orange
Left Rear Speaker Positive Wire (+): Pink/Green
Left Rear Speaker Negative Wire (-): Pink/Blue
Right Rear Speaker Positive Wire (+): Pink/Blue
Right Rear Speaker Negative Wire (-): Green/Orange
1991 Ford Mustang Speaker Sizes
Audio Front Speakers Size: 5 1/4″ Speakers
Audio Rear Speakers Size: 5″ x 7″ Speakers
The following information is currently not available:
Stereo Dimmer Wire
Stereo Amp Trigger Wire
*If you know any of the above or any other missing information please use the comment box below to notify us.
I have tried this andf there is no two pink and blues, there’s is one green and wire and theres no possible way for it to attatch to 2 different wires, i have tried this diagram three times, i dont understand, is this accurate ?
Hi Carolyn,
We offer no guarantee to if these diagrams are 100% correct or not, we do see about 5-10% errors come through our publications since everything is user submitted content. We would however appreciate the heads up. Also to future readers of this diagram, if you do know correct information please leave a comment.