Question about Garmin Computers & Internet
My Fishfinder 300C, which is only 3 months old, will no longer power up, despite the battery being fully charged, the connections clean and the leads in good condition. I have also noticed that recently the temperature gauge started to not be displayed on the screen. I don't know if both issues are related. What do you suggest?
I checked the fuse and it looked OK, however working on a hunch I decided to replace the fuse anyway. This immediately addressed the problem and my Fishfinder is now working again.
Posted on Jan 01, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
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If you use the fuse block on the boat, route the positive connection
through the fuse
Connect the black (- or ground) wire to the negative voltage terminal.
Install or check the 3A fuse (on the fuse block or in the in-line holder).
Align the notches on the cable plug and on the back of the Fishfinder 300C. Insert the cable into the connector, and turn the locking ring
counter-clockwise until it stops.
If htese all are correct and voltage is there at the tranducer end, the tranducer is faulty, and should be replaced. OK
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