Hi John,
Here is the test that needs to be performed to determine the issue on the speedometer and odometer not working. I am sure when you find that issue, the cruise control will operate again because the cruise requires the speed in order to operate.
Based on this test, I would be asking the shop that fixed the leaks if they did anything on the 679 circuit or connectors. If these worked when you dropped it off, I imagine they disturbed this circuit so that it is now an open circuit.
Please let me know if this doesn't make sense or you need more information.
https://www.2carpros.com/articles/how-to-check-wiring
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Thursday, May 16th, 2019 AT 12:47 PM