Whether your an expert installer or a novice enthusiast with a 1991 Chevrolet S10 Blazer or 1991 Chevrolet S10 Trailblazer, an car stereo wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing a car stereo, car radio, car speakers, car amplifier, car navigation or any car electronics is identifying the correct color wires for a 1991 Chevrolet S10 Blazer.
The Modified Life staff has taken all its car radio wiring diagrams, car stereo wiring diagrams, car wiring diagrams and cataloged them online. Feel free to use any 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 1991 Chevrolet S10 Blazer or 1991 Chevrolet S10 Trailblazer.
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1991 Chevrolet S10 Blazer Car Stereo Radio Wiring Diagram.
Radio Constant 12V+ Wire: Orange
Radio Switched 12V+ Wire: Yellow
Radio Ground Wire: Black
Radio Illumination Wire: Gray
Radio Dimmer Wire: Brown
Radio Antenna Trigger Wire: Pink
Radio Amp Trigger Wire: N/A
Front Speakers Size: 4″ x 6″ Speakers
Front Speakers Location: Dash
Left Front Speaker Wire (+): Tan
Left Front Speaker Wire (-): Gray
Right Front Speaker Wire (+): Light Green
Right Front Speaker Wire (-): Dark Green
Rear Speakers Size: 6″ x 9″ Speakers
Rear Speakers Location: Side Panels
Left Rear Speaker Wire (+): Brown
Left Rear Speaker Wire (-): Yellow
Right Rear Speaker Wire (+): Dark Blue
Right Rear Speaker Wire (-): Light Blue