I am in the middle of troubleshooting my auto pilot, but I believe it is a lost 
cause. The boat is relatively new to me. I have owned it just two seasons. I 
spent the first season just taking her out occasionally and going through her, 
cleaning, repairing and replacing items that did not meet my satisfaction. 

This season I took her out and enjoyed the season.  I have always left the 
st4000 in standby and it seemed to work fine. Then I decided to check out the 
st4000 out completely and ran into errors. It appears to be fine at first in 
the Auto mode, until I try to actually use it. It does not actually do anything 
and within 5 min the display will read “low Battery” and occasionally “no 
Data”.  I checked the voltage to the Unit and it is good. I know I have a 
little more work to do. Like actually check the drive unit and see if it works 
at all. I can purchase a control head for 500 dollars on eBay. But I need to 
determine if anything else is bad first.

 

Has anyone else replace the auto pilot system on their CnC and if so with what.

 

Larry

1986 CnC 38-ft MKIII

Freeland, WA

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