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STEP 4
Cable Routing
Route the transducer cable over the transom, through a deck or splash-well drain
hole or through a new hole drilled in the transom. If a new hole is required, it
MUST be drilled well above the waterline.
To Drill a Cable Pass Through:
1. Mark the desired location with a pencil.
2. Check for obstructions behind the desired location inside the hull.
3. Drill a 5/8” or 16 mm hole through the transom.
4. Route the cable through the transom.
5. On the outside of the hull, secure the cable against the transom using the
included cable clamps. Evenly distribute the clamps between the transducer
and the location where the cable passes through or over the hull and mark
the location with a pencil.
6. At the marked locations, use a 1/8" (3 mm) bit to drill a hole 3/8" (10 mm)
deep.
7.
Apply marine sealant to the threads of the 2 #6 x 1/2"
self-tapping screws, position the two cable clamps and
fasten them in place
(illustration A).
Skip to #12 if the cable was routed over the transom or a
hole that was already in the hull.
8. If a hole has been drilled in the transom for the cable
pass through, position the clam shell cover over the
cable where it enters the hull and mark the two screw
holes.
9. Use a 3 mm or 1/8" bit to drill a hole 10 mm (3/8") deep.
To prevent drilling too deeply, wrap masking tape
around the bit 10 mm (3/8") from the point of the bit.
10. Fill the remaining space in the hole with marine sealant
(illustration B).
11. Apply marine sealant to the 2 #6 x 1/2" self-tapping
screws and fasten the cable clam shell cover into place
(illustration C).
12. Route the cable to the mounting location of the depth
sounder
transducer
plug. To reduce electrical
interference, separate the transducer cable from other
electrical wiring. Coil any excess cable and secure it in
place using tie wraps.
13. Lubricate the plug by applying a generous amount of
silicon grease or petroleum jelly to the ridge on the
Display plug
(illustration D)
14. Plug the cable into the transducer plug on the depth
sounder.
A
B
C
D
