Can I ask how the power surge happened? Also did you check the main fuses for power here are the locations, if these fuses are okay let's check for power coming from the start stop unit.
Here is a guide to help and the wiring diagrams to help you see what I am talking about:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Please see if the fuses for the systems are getting power. Check out the images (below). Let us know how it goes.
Images (Click to enlarge)
Nov 14, 2023 at 12:02 PM