Whether your an expert Cadillac electronics installer or a novice Cadillac enthusiast with a 1989 Cadillac Eldorado, a car stereo wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car stereo, car radio, car speakers, car amplifier, car navigation or any car electronics is identifying the correct color wires for a 1989 Cadillac Eldorado.
The Modified Life staff has taken all its Cadillac car radio wiring diagrams, Cadillac car stereo wiring diagrams, Cadillac car wiring diagrams and cataloged them online. Feel free to use any Cadillac car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 1989 Cadillac Eldorado.
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1989 Cadillac Eldorado Car Stereo Radio Wiring Diagram
Car Radio Constant 12V+ Wire: Orange
Car Radio Switched 12V+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger: Pink
Car Stereo Amp Trigger Wire: N/A
Front Speakers Size: 5 1/4″ Speakers
Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Rear Speakers Size: 6″ x 9″ Speakers
Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue