1978 Dodge Diplomat Stereo Wiring Information
Radio Battery Constant 12v+ Wire: Run a wire to the ignition switch wiring harness.
Radio Accessory Switched 12v+ Wire: Orange
Radio Ground Wire: Chassis
Stereo Dimmer Wire: Orange/White
Left Front Speaker Positive Wire (+): Green
Left Front Speaker Negative Wire (-): Black
Right Front Speaker Positive Wire (+): Purple
Right Front Speaker Negative Wire (-): Black
Left Rear Speaker Positive Wire (+): Yellow
Left Rear Speaker Negative Wire (-): Black
Right Rear Speaker Positive Wire (+): White
Right Rear Speaker Negative Wire (-): Black
1978 Dodge Diplomat Speaker Sizes
Audio Front Speakers Size: 3 1/2″
Audio Rear Speakers Size: 6″ x 9″ Speakers
The following information is currently not available:
Radio Illumination 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.