Question about Humminbird 7300211 SW Speed Sensor GPS Receiver

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Humminbird 7300211 speed unit

I recently had a Humminbird 565 Fishfinder installed on my boat. How difficult is it to add the Humminbird speed/temperature unit?

Posted by William Ramirez on


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Mike Marcotte

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Installation of the speed/temp wheel is quite easy, here's a manual:
SW Speed & Temp
The new sensor cable plugs into the square plugin in back of your's the small square connector with 4 holes.
Best of luck!

Posted on Sep 26, 2009


2 Related Answers


SOURCE: Humminbird 250 DX Fishfinder

Je posede sur mon nouveau bateau le 250dx, mais pas la revue mode d'emploi. Pourriez ous me l'envoyer par mail?
[email protected]

Posted on Feb 27, 2008


Louie Role

  • 6966 Answers

SOURCE: Humminbird fishfinder keeps blowing 5v


Most probable component that has gone bad and capable of blowing the 5V fuse would be:

  • voltage regulator IV or transistor;
  • reverse protection diode;
  • zener diode;
  • shorted capacitor.
As the 5VDC normally supplies the logic circuitry, perhaps diagnosis and tests should be focused within that area.

Hope that this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 24, 2008

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I did lost my operation manual for my fishfinder humminbird 570

Since your unit isn't listed in their owners manual section, you'll have to contact their support rep.

Hope this helps you out.

Jun 20, 2011 | Humminbird Fishfinder 565 With Transom...

1 Answer

I have a Humminbird 565 that is about 3 years old and the end of the transducer has opened up and the sealant has all leaked out. I also have and older one that is doing the same thing. What's up with...

I have no idea, I use these same ones and havve several mounted and they are used both in summer and winter, never had one leak. I also looked up these and did not see where there were any issues with this problem. I suggest you call Humminbird and talk to them, they are usually very helpful.
Toll-free: 1-800-633-1468
Monday - Friday
8:00am - 4:30pm CST

Mar 04, 2011 | Humminbird Fishfinder 565 With Transom...

1 Answer

My fishfinder 565, just suddenly stoped working. We were in the boat and all of a sudden it went dark. Can there be a fuse of somekind that could be replaced?

yes, generally there is an inline fuse on the hot (red) wire. it is incased in a white sleeve that twists apart and reveals the fuse. if its not the fuse check the battery or connections to the back of the depth finder.

Aug 31, 2010 | Humminbird Fishfinder 565 With Transom...

1 Answer

Hello, my Humminbird 565 startred to misread the tempereture, when stoped or in low speed it show the water temp 10º c bellow the real temp. The same happens in Fº. The sounder otherwie works...

More than likely you have your sensor run underneath the boat and therefore the sensor is directly in the water. When you speed around the hot water on top is what your sensor is picking up, when you slow, you are allowing the sensor to pick up on the colder water just inches below the surface

Jun 03, 2010 | Humminbird Fishfinder 565 With Transom...

1 Answer

Manuel for humminbird 565 dual beam fishfinder with 640 vertical pixels

If you go to Humminbirds Website
and click on the Support Tab on your units page, it will give you the option to download the user manual to your computer.

Hope this helps.

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Manuel for trn 480

It's a difficult one to find, but Humminbird should have one. Contact them by clicking here and filling out the request.

Jun 14, 2009 | Humminbird Smartcast Rf 35 Dual Display...

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In water less than 5', my Humminbird 565 reads that it is .6''of water

If the sounder works in deeper water then try changing the unit to fresh water instead of salt water (or vise-versa). You'll need to switch to advanced settings first (in the setup menu tab), then switch to the afformentioned salt or fresh water (in the sonar menu tab).
Alternatively, switch back to factory defaults as these settings are made to work "right out of the box".
Best of luck!

Apr 26, 2009 | Humminbird Fishfinder 565 With Transom...

1 Answer

Humminbird fishfinder 565

according to the manual... 10-20 VDC

Please rate this solution.. thanks

Feb 04, 2009 | Humminbird Fishfinder 565 With Transom...

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