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Low battery sign in the screen ,now the screen is total of…

Customer Question
low battery sign in the...
low battery sign in the screen ,now the screen is total off
Submitted: 3 years ago.Category: Marine Electronics
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Customer reply replied 3 years ago
i have simrad autopilot ,low battery sign in the screen ,now the screen is total off
Answered in 7 minutes by:
6/27/2015
Marine Electronics Expert: Charles, Marine Tech replied 3 years ago
Charles
Charles, Marine Tech
Category: Marine Electronics
Satisfied Customers: 4,894
Experience: US Navy (Ret) I have been installing Marine Electronics for over a decade now.
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Hello, my name is***** will be assisting you today.Does anything else that is connected to this battery still work?Do you have a multimeter?
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Customer reply replied 3 years ago
battery is fine
Marine Electronics Expert: Charles, Marine Tech replied 3 years ago
What else does this battery power?
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Customer reply replied 3 years ago
the power of the battery is working perfect
Marine Electronics Expert: Charles, Marine Tech replied 3 years ago
Did you already remove the battery and have it load tested? That is not listed anywhere. This is the only way to tell the true state of your battery. Auto pilot systems do draw a bunch of amps due to the nature of them. Something like an LED lightbulb does not. Does this make sense to you as to why I am asking the questions that I am?
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Customer reply replied 3 years ago
Yes I understand Charles but battery is good they turns my twin Cummings 540 hp , 1radars 2 17 inches screens fish finder and lights is not problem at all.
Marine Electronics Expert: Charles, Marine Tech replied 3 years ago
Thank you for answering the question. Now I know where know where to start.With a multimeter test the voltage that is coming out of the power supply to the head unit. If it is below 10, trace the power leads back to the fuse block and test the power there. You are going to have either a bad connection in a junction or a bad connection at the fuse block. Check both the red and black wires for the correct voltage to the battery.
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Charles, Marine Tech
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