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C-Kwik »
https://forums.nicoclub.com/c-kwik-u426.html
Tue Jul 21, 2009 7:44 am
You'll have to find the section dealing with the sonar system. Once you do that, you chould be able to locate a troubleshooting guide. It will take you step by step through a process of elimination method of determining the problem and then tell you the solution. It may require that you have a multimeter to test electrical signals.