Friday, December 17th, 2021 AT 11:50 AM
JOLENE BRANDES
- MEMBER
- 2002 CHEVROLET BLAZER
- 4.0L
- V6
- 2WD
- AUTOMATIC
- 156,199 MILES
OBD fuses.
OBD power supply
1 Reply
AL514
- MECHANIC
- 4,812 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
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Friday, December 17th, 2021 AT 12:40 PM
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