1988 Ford Bronco Stereo Wiring Information
Radio Battery Constant 12v+ Wire: Green/Yellow
Radio Accessory Switched 12v+ Wire: Yellow/Black
Radio Ground Wire: Red or Black
Radio Illumination Wire: Blue/Red
Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Black/White
Right Front Speaker Positive Wire (+): White/Green
Right Front Speaker Negative Wire (-): Black/White
Left Rear Speaker Positive Wire (+): Pink/Green
Left Rear Speaker Negative Wire (-): Blue/Orange stripe
Right Rear Speaker Positive Wire (+): Pink/Blue
Right Rear Speaker Negative Wire (-): Green/Orange
1988 Ford Bronco Speaker Sizes
Audio Front Speakers Size: 5″ x 7″ Speakers
Audio Rear Speakers Size: 6″ x 9″ Speakers
The following information is currently not available:
Stereo Dimmer Wire
Stereo Antenna Trigger 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.
The 1988 Ford Bronco I have, has a stereo wire harness that has all your above mentioned color codes with one exception : The Left Rear Negative, is : Blue with Orange stripe , not Pink with a Blue stipe , like your labeling above has listed twice !! Pink with a Blue stripe is only The Right Rear Positive ! I went out to my truck to varify !! Please change your diagram description for future online searchers ! 🙂
Hey Chuck,
we updated the listing. Thanks for your help!