Lowrance Elite 5 TI TotalScan Kayak Install for Jackson Kayak Big Rig

TS_DimensionsLuckily the Jackson Kayak Big Rig has factory molded scuppers that accept large transducers like the Raymarine Dragonfly. Although the Lowrance Elite 5 TI TotalScan transducer is over 10″ long it mounts in pretty flush on the Jackson Kayak Big Rig with some modifications.

TotalScan Kayak Scupper Transducer Install & Mods:

xducer diagramI had to flip the mounting bracket upside down then mount the transducer to bracket. This allowed an extra 1/4″ of space so the transducer mounted closer to the hull and more flush inside the scupper trough.

Transducer mounting bracket cable notch modification. (Optional)

I opted to notch out the mounting bracket to receive the transducer cable flush. Doing this allowed me to install the transducer with the wire forward. I figured the less exposed cable the more protected it would be to objects in the water damaging it. Simply I marked with a sharpie marker the center and width of the cable. Using a vise and an angle grinder to notch in a space for the cable to pass through.

scupper mount with bracket

Using the Lowrance Kayak Scupper Mounting Kit. With a simple modification using a bolt and about 6 washers you can pack out the middle of the bracket to sit flush on the transom bracket. See the image below.

 

A Big Rig application.

To secure the transducer so it will not move at all add bungee to hold cantilevered end taught to the hull.The bungee will pass through the scupper behind the actual mounting plate. Using a scrap piece of plastic drill with a hole saw to create a tie down plug. Then pass through the bungee and tie a knot this will hold the transducer taught in the scupper. I ran the new transducer wire through the same thru hull holes as the HDI skimmer location.

scupper mounting

Scupper_Mounted_TotalScan

 

Jackson Kayak has really simplified the installation of fish finders for the end user first with the Big Rig and now with its new offshore kayak the Kraken! Like the Big Rig the Kraken is Raymarine Dragonfly ready. This means the Lowrance HDI skimmer also fits really nice in this scupper with the Lowrance Scupper Mount Kit! This article covers how to install a Lowrance skimmer transducer & Fish Finder on the Kraken in a scupper hole so the transducer is in the water.

lowrance gear

Things you will need:

Install:

First unwrap the transducer cable from its packaging and twist tie. run the wire from the hull through the scupper up to the deck . Unboxing the scupper mount simply follow the diagram. With the HDI/Chirp skimmer you will simply slide the transducer on the track at the bottom of the transducer mount. It needs to be positioned forward on the mount so slide the track all the way up to where the wire goes inside the transducer. Now Slide the foam insert and then through the top bracket that will fit perfectly to the scupper. Using the wing nut thread it all the way down to the top bracket to snug it up. Once snug you may now clip the threaded plastic off flush with the bracket and clip the cap over.

Now to run the transducer wire to the inside of the kayak.  Using a 1″ diameter hole saw drill through the radius area of the hatch. BE careful as the plastic is ver thin here. Once the hole is made runt he cable through the wire cap and screw the wire cap in using the screw driver. The screws will self tap.

Next for wiring back to the fish finder unit and battery. This is really up to you where you would like the location to be. I tend to keep it out of the way of where fishing line cannot fowl with the wires and also so adjusting the location of the fish finder on the fly. transducer install kraken finalAlso take into consideration the factory installed battery box tray between the front day hatch and the center hatch (7). In my case the fish finder location is to be on the center hatch tracks and being fully adjustable to slide the entire length of the track. The decision to run the wired through the deck in front of the center hatch in my case was the conclusion. This location allows the wires to swing and not get int he way when operating the hatch. The next step will be fabricating a track mount console that will allow me to mount the fish finder to the center of the hatch.

To connect the battery using a plug connector first slide a 3-4″ x 3/8″ diameter heat shrink tubing over the bare wire side of the Lowrance power wire. Crimp the butt connectors to the wires with the  correct polarity and heat shrink the connectors. Then slide over the 3/8″ heat shrink tubing and shrink  the connectors in. I prefer to use clear heat shrink tubing due to all of the use int he salt water. Sometimes connections fail and have water seep in. This speeds up the trouble shooting as now the corrosion is detectable visually.

transducer install kraken install

Complete!

Lowrance HDI transducer Kayak Scupper MountCreating a semi-permanent install for multiple kayaks is a challenge. Since most of us fish on a budget two separate fish finder units is not feasible. For about 1/4 the price of a new Lowrance Elite 5 HDI unit you may purchase a new Transducer, Power cable, and the neat Lowrance kayak scupper mount kit. This application is only for sit on top kayaks like the Big Rig with round scupper holes. The mount and this particular transducer as of 2014 other Jackson Kayak Models will not work due to the oval scupper shape and being that the bottom of the supper is simply not wide enough to accept the transducer mounted flush.

Scupper mount

In the photo to the left shown is the un-boxed scupper mount and the transducer and cable. This transducer has been a challenge to mount to other kayaks until the Big Rig with its enlarged hull scupper clearance as it is Raymarine ready.

To install simply using the bolt washers mount to the bottom of the scupper mount as you would the transom mount. Once this is completed pull the plug end of the transducer wire from the bottom of the scupper through towards the deck. IMG_1238Once all of the cable is pulled then insert the threaded plastic into the scupper. The transducer should face bolted end/cable to the bow. Then slide the gray fitting down the threaded shaft and tighten the thumb nut all the way down until snug. Once fit you may cut the shaft and place the Lowrance cap on top. Done!!

This is the best way to install any transducer out there. You get accurate temperature readings and a completely better signal for clarity rather than the shoot thru hull option.

 

 

Drill holeI prefer to hide all of my wires and cables within the hull of the kayak. Just less mess less things to snag your hooks on and the best way to protect expensive electronics cables. Due to the 1″ diameter colors on the Lowrance HDI plugs we need to drill a 1″ hole to get these cables inside the hull. Now that’s a huge hole. It took a while to find a part to seal this with for a really clean install. I’m not the type that likes to run cables through hatches. West Marine makes a hull pass through that worked perfectly for this application. I have never seen these used on a kayak before but they are excellent. Low profile watertight and clean!

To start use a 1″ boring drill bit. The hull pass through fitting includes a rubber grommet. I used this as a template placing it exactly where the fitting would be placed. Marked the center with a punch and drilled. See drilled hole to the right. Run sonar plug through and using the thru hull cap press firmly with a screwdriver and screws will self tap. The rubber will push out and this when it is tight. Do not over tighten as the screws will strip out the plastic therefore becoming loose.

 

Do the same steps for the opposite side but this time with the power wire and the transducer plug through 1 hole. wires & power cable side.lThis one bring the sonar plug through the hole first. Then snake through from the outside the power wire. The power wire will be then run to your battery location. Mine will be in the stern. The white wire in the photo runs back to the stern for the battery box hook up. I will splice that into the power wire for the unit.

 

 

 

Unit installed

Along with the standard molded in center Gear Track on the Big Rig and paired with a Ram Mounts Electronic Mount for Lowrance this is an excellent system! There are now multiple places to position the unit. The option to slide forward or back or mount to the side Gear tracks however is most comfortable.

If you have any questions about this install or anything else please leave me a comment.

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