2008 Ford F550 Truck Stereo Wiring Information
Radio Battery Constant 12v+ Wire: White/Red
Radio Accessory Switched 12v+ Wire: Blue
Radio Ground Wire: Black/Blue
Radio Illumination Wire: Violet/Gray
Stereo Dimmer Wire: Violet/Red
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): White/Brown
Right Front Speaker Positive Wire (+): White/Violet
Right Front Speaker Negative Wire (-): White/Orange
Left Rear Speaker Positive Wire (+): White/Green
Left Rear Speaker Negative Wire (-): Brown/Yellow
Right Rear Speaker Positive Wire (+): Brown/White
Right Rear Speaker Negative Wire (-): Brown/Blue
2008 Ford F550 Truck Speaker Sizes
Audio Front Speakers Size: 6×8
Back Speakers Size: 6×8
The following information is currently not available:
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.
Speaker size is 6×8 both in the doors and the rear side panels on standard cabs.
Thanks Les!