SailNet Community - View Single Post - Bow Thruster problem
View Single Post
post #3 of Old 09-20-2013
Join Date: Apr 2006
Posts: 12,399
Thanks: 6
Thanked 184 Times in 181 Posts
Rep Power: 13
Re: Bow Thruster problem

If you can physically drag a good battery and a set of jumper cables forward, one fast way to check things would be to be do just that. If the thruster spins up just fine, then you know there is a problem in the wiring. If it still is sluggish, that would point to an internal problem.

I've no idea what the voltage should run under load but I suspect 10V is way too low and that indicates a corroded connection somewhere between the thruster and the main batteries. Even a starter motor doesn't normally pull voltage down that low.

13V at idle is also low, a good alternator will be putting out 13.8-14.4 volts in most cases, and at idle with nothing engaged, you should see almost all of that even at the thruster. Another sign of a contact/wiring problem, check right at the batteries to see what the real drop is from "there" to "there".
hellosailor is offline  
Quote Share with Facebook
For the best viewing experience please update your browser to Google Chrome