I am looking for a replacment transom mount kit for a 2 YO Fisheagle fishmark 480- I have the transducer.

Question edited for clarity.

Make sure you got the correct transducer Your model comes in single frequency and dual frequency. Make sure the connection on the back of the unit is good and you have no corroded or missing pins. Make sure the software is up to date.

Lowrance LMS-525C DF Fish Finder Parts

Product Description: Designed for salt water or downrigger tracking, this dual-frequency sonar/GPS chartplotter
provides additional 50 kHz readings, in addition to a high-res 480 x 480 display on a 5" screen
and many professional features.

* Dual-frequency 50/200 kHz
* Precision 12-parallel channel external GPS+WAAS receiver
* Lowrance radar compatible
* LowranceNET® networking (NMEA 2000® certification pending)
* High-speed ethernet connection links multiple Lowrance display units and modules to
operate independently on shared network data, including sonar
200 khz transducer PDRT-WBL Part #106-89
Shoot-thru-hull mount, 20 degree pod type with remote temperature (200 kHz). (20 ft cable) Dual Frequency Transducer HP-DFBL260 Part #106-82
Thru-hull-mount, dual frequency bronze housing, high-power multiple element (50 kHz 19 degree
& 200 kHz 6 degree).

HST-DFSBL Part #106-77
Transom-mount, dual frequency skimmer with built-in temperature sensor. (25 feet of cable)

https://www.google.com/search?q=lowrance+lms-525c+df+software+update

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You could use it but you may not get accurate readings, best to get a transom transducer of find a way of mounting the one you have inside the hull?

Hi Mike
The transducer (depending on which one you have) should be mounted to the hull of the boat. If a transom mount, at the back of the boat of course and if a through-hull or in-hull ducer in an area that provides good contact with the water at all times.

You shouldn't mount the transducer on the motor.
I was unable to find a reference anywhere to the Fishmark DE.

-Steve

It is my understanding that Hummingbird MHX HS is a transom mount kit. So it will depend on what you are mounting. It is likely the mount instructions are available with the transom transducer you are going to mount. Please drop a comment to clarify.
For details of all Hummingbird manuals refer to

Product Manuals

Might help to tell us what kind of boat - deep V hull 22 ft.? bass boat with shallow V hull? Some need the transducer closer to the centerline of the vessel while others do better more outboard, Naturally they need to be flush with the hull no matter where they are located. Depending on the transducer, you could also try properly mounting it inside the vessel near the transom. Good new is you are getting good info from it. Cheers Pete

Think of where the transducer is fitted on your boat . As turbulence is the only problem you need to worry about. It needs too be on the transom but in between the lower 2 chines

Here are your options:

In-hull Mount Transducer (200/50 kHz, 12/45 deg)
010-10327-00

Thru-hull Mount Transducer with Depth and Temperature
010-10194-01

Bronze, Thru-hull Mount Transducer with Depth and Temperature
010-10182-01

Transom Mount with Depth, Temperature and Speed
010-10192-01

Transom Mount with Depth and Temperature (200/50 kHz, 10/40 deg)
010-10272-00

Thru-hull Mount Transducer with Depth (200 kHz, 12 deg)
010-10107-00

It all depends on the type of boat and how you are going to be using the fishfinder. Here is my email: [email protected] if you want to discuss your uses further and if you want to purchase a transducer.

Hello Keneth,
Is The transducer In Side the Hull Or Mounted On The Transom?
If Inside Remove It And Re Fit It Using Epoxy Glue Ensuring No Air Pocket Between transducer And Hull.
If transom Mounted Replace Transducer.
Hope this Helps
Gordy

i will exchange this for you, free shipping no charge, just ship it to me to inspect and i will send you the transom ducer no charge, if you have a bronze thru hull with speed and temp to trade for a plastic transom mount with speed and temp, let me know

Embedded

I was looking to see if I could find a replacement for the display and was able to confirm that the transducer is a single beam 120khz unit so I doubt that you've find a replacement for it ..as is .

The Airmar C-49 is the proper number for the connection line but like me I think your going to have to think about a whole new unit and or system . Been there already.

Best of luck.

Sir Isaac