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.
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STRAILER
AUTOMOTIVE REPAIR CONTRIBUTOR
54,178 POSTS
Hello,
The first thing I would do is plug the scanner into a different car to make sure it works. Then check the fuses #26 and #11 which power the ALDL. Here is a guide to help you run a test and the wiring diagrams so you can see how it works: