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-   -   Can you splice transducer wire? (https://www.thehulltruth.com/marine-electronics-forum/1120154-can-you-splice-transducer-wire.html)

Tinkertoy250 10-10-2020 02:58 PM

Can you splice transducer wire?
 
Want to install some new cable boots at the transom. Motor will be off the boat for service so seemed like a good opportunity. Only wire that is still connected is the transducer. Would rather not have to untangle it all the way to the helm. Can transducer wire be cut and spliced back together with a butt connector??
or does anyone know of a 5 1/2 inch boot thatís split so you donít need to disconnect anything?

renegade15 10-10-2020 03:29 PM

You should be able to, I think most transducers are 4 distinct colored wires. I would try to do it well inside of the boat somewhere though, where the connectors have a lot less chance of getting corroded.

Bayfly 10-10-2020 03:30 PM

I suggest you ask the manufacturer.

Reel 007 10-10-2020 03:45 PM

I have going to a different MFD, as a recall I loss the speed, since you are changing nothing it should be fine, make sure to heat shrink about 8" + on each side of the splice.
However I think a split booth would be a better option.

Tinkertoy250 10-10-2020 03:52 PM


Originally Posted by Reel 007 (Post 14126094)
I have going to a different MFD, as a recall I loss the speed, since you are changing nothing it should be fine, make sure to heat shrink about 8" + on each side of the splice.
However I think a split booth would be a better option.

I agree but canít seem to find one. Need a 5 1/2

Bucktail67 10-10-2020 04:19 PM

First of all it can easily and effectively be done. I wouldnít use butt connectors, but would solder everything. Make sure you understand what your getting yourself into

Dave51 10-10-2020 04:26 PM


Originally Posted by Bucktail67 (Post 14126162)
First of all it can easily and effectively be done. I wouldnít use butt connectors, but would solder everything. Make sure you understand what your getting yourself into

I've done it and it works fine, but soldered them to get a nice tape/shrink wrap look.

williamwallus 10-10-2020 04:36 PM

What brand? Some manufacturers have really good support. hummin bird and lowrance are good companies. I'd just call em

Tinkertoy250 10-10-2020 04:50 PM


Originally Posted by williamwallus (Post 14126184)
What brand? Some manufacturers have really good support. hummin bird and lowrance are good companies. I'd just call em

garmin gps. Iíd have to check. Maybe lowrance. What about solder seal butt connectors? Where the heat activated the solder

The Peddler 10-10-2020 04:52 PM

When I removed a big transom amount transducer, I -favor of a thru-hull, I found the installer had spliced the cable with screw-type quick-connect terminal. I never knew until I removed, worked perfectly fine.

Shin-Dig 10-10-2020 06:04 PM

Airmar produces a "box" for splicing as well as a "converter" which allows a transducer cable from one man. to function in a different brand MFD or sounder

eds500 10-10-2020 06:46 PM

How about a Deutsch connector? Those seems to be a popular, water-tight connector for multiple-wire applications.

Tinkertoy250 10-10-2020 06:57 PM

I think this has made me realize it will likely be easier to just fish the wire back to the transom and then pull it back up. Itís really not that far

highflier1 10-11-2020 10:36 AM

Garmin sells a splice box, They offer it since they have 2 different connectors types on the head GPSMAP units. I used one and seem to work OK.

gem58 10-11-2020 11:19 AM

When I spliced mine, I duplicated what I saw as I cut through the cable of the manufacturer.

So, I staggered the splices of each conductor, so the finished product would not be a big ball of splices.

I soldered the connection, used marine heat shrink and shielded each conductor individual with aluminum foil; then put heat shrink on the cable.

I would think the replacement of the foil to be important in keeping the frequencies of the signal separate.

I believe my readings to have minimal to no loss.

Good luck.

Tinkertoy250 10-11-2020 11:24 AM

Appreciate all the advice but itís convinced me to spend the extra 10 minutes and fish the wire through. :thumbsup:


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