I bought an aftermarket radio wiring harness and need to a color code and function for each wire.
Dec 12, 2025 at 6:20 AM
Aftermarket radio wiring harness color codes?
2005 PONTIAC BONNEVILLE
RACINE BONNVILLE
- MEMBER
- 1 POST
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STEVE W.
- ✓ASE Certified Mechanic
- 15,200 POSTS
The attached are the diagrams for both the base and full optioned systems. The first 3 are the base radio without an amp. The others are the amp and digital (xm) modules. The base radio power and outputs are the same with the amp, they just go to the amp instead of speakers.
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Dec 12, 2025 at 12:01 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.