If I disconnect the cable to the alternator battery control module I can talk to the BCM and do testing such as ABS testing.
Nov 20, 2022 at 10:15 PM
No crank, no start and no communication with the ECM?
2005 CHEVROLET SILVERADO
SHAGU2
- MEMBER
- 1 POST
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The first thing we need to do is check the cigarette fuse which powers the ALDL connector. Here is a guide that will help and the fuse location as well, also I have included the wiring diagrams so you can see how the system works.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuse is okay, you might have a PCM that is out, let me know what you find. Check out the images (below).
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuse is okay, you might have a PCM that is out, let me know what you find. Check out the images (below).
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.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Nov 22, 2022 at 2:05 AM
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.