OBD fuses.
Dec 17, 2021 at 11:50 AM
Obd power supply
2002 CHEVROLET BLAZER
JOLENE BRANDES
- MEMBER
- 1 POST
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AL514
- ✓ASE Certified Mechanic
- 5,587 POSTS
Hello, I am assuming you have no power at the Data Link Connector?
The first diagram is the power feed on Pin 16 and the second diagram are the 2 ground connections for it. If you have no communication with a scan tool, that can be a whole different issue altogether.
https://www.2carpros.com/articles/how-to-check-wiring
https://www.2carpros.com/articles/how-to-check-a-car-fuse
https://www.2carpros.com/articles/how-to-use-a-voltmeter
The first diagram is the power feed on Pin 16 and the second diagram are the 2 ground connections for it. If you have no communication with a scan tool, that can be a whole different issue altogether.
https://www.2carpros.com/articles/how-to-check-wiring
https://www.2carpros.com/articles/how-to-check-a-car-fuse
https://www.2carpros.com/articles/how-to-use-a-voltmeter
Images (Click to enlarge)
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.
Dec 17, 2021 at 12:40 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.