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BrianKAdministrator

How to splice a transducer cable- from Lowrance


Trumar was nice enough to pass this along to me for posting.

I didn't think a shield type cable could be spliced...but here are the directions directly from Lowrance.



Lowrance Electronics
Customer Service
Transducer Cable Splicing Instructions.


Lowrance does not recommend cutting and slicing of transducer cables. The connector ends are injection molded onto the cables and the transducer body housings are potted with an epoxy material to make this accessory completely waterproof. Water infiltration in this cable can cause delaminating, internal corrosion, and cable damage, which can result in poor performance at the least - and sounder malfunction or damage at the worst. If a cable is cut or broken we do provide some accessory connectors which are preferable to splicing if the cable remains long enough to reach. However if the cable is too short or a connector kit does not exist then you should follow these instruction to splice the cable. This procedure is best performed by a reputable and skilled electronics repair facility or technician.



Cut the cable in a location that will place the splice in a protected area in the vessel. It should not be exposed to rain or spray, nor be allowed to lay in the Bilge or other area which will allow it to be submerged in water. If using a heat shrink insulating material, for either the center conductor connection, shield connection, overall splice, or all of the above, place over the cut ends now.

Carefully strip approximately 1 of the outer insulation or jacket from the ends to be spliced. Unwrap the shield and twist it as shown below.


(Insert photo 1 here)

Strip approximately 3/8 of the inner insulation (center conductor) from each end to be spliced.
Twist the center conductors of the two ends together, and then solder the connection. Use special care to allow full flow of solder without damaging or melting the insulator around the center conductors. This can result in a shorted connection and damage to the sounder. Wrap the solder joint in good quality electrical tape or heat shrink as appropriate.


(Insert photo 2 here)

Twist the shield wires together and solder this connection. Wrap a small piece of Aluminum Foil over the entire splice. Make certain the foil makes a good contact with the shield wires to prevent, reduce, or eliminate electrical noise or interference.

(insert photo 3 here)

Finally wrap the entire splice with electrical tape or use the Heat shrink material previously installed to completely seal and insulate the splice connection. The transducer is now ready to use.

1209902588_WS1.JPG1209902599_WS2.JPG1209902610_WS3.JPG
1209902588_WS1.JPG


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trumar

Re: How to splice a transducer cable- from Lowrance


Thanks Brian for posting..

I was never unfortunate enough to have my cable chewed up by a pet ,BUT , instead I purposly cut mine to install it up inside of my trolling motor shaft to make sure it NEVER got cut or pinched while putting the T/M up or down and now I have a clean looking job .I have had no issues with my transducer or unit during use.
I have down this 2 different trolling motors I have owned and still NO problems ,make sure you follow instructions given and ALWAYS use HEAT SHRINK to seal ALL conections .

I hope this helps out some of you people here, It sure saved me from spending some $$$$ on T/M with built in transducer

Again I thank Brian for posting for all in need and Lowrance for sharing with me .

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"When it comes to family-Sometimes it not all about fishing" ~Trumar 2009


moler02

Re: How to splice a transducer cable- from Lowrance


trumar, how did you get to the transducer at the bottom ??

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A MOLE HILL WAS NEVER MEANT TO BE A MOUNTAIN


trumar

Re: How to splice a transducer cable- from Lowrance


I drilled a hole above the motor just a little bit bigger than cable and SEALED it with a water proof epoxy after I was ALL done with my wiring .
Maybe I could get a pic for you and send your way if you want.

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"When it comes to family-Sometimes it not all about fishing" ~Trumar 2009


aleb

Re: How to splice a transducer cable- from Lowrance


Trumar, I know it's been a long time since this was discussed here but if you still have photo's of your install of the depth finder cable through the trolling motor shaft, could you send it my way? Thanks

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