Load
See the Raymarine Axiom+ 9 E70636 connection points and wiring example. Open the diagram in Crimp to add your equipment and plan the cables between them.
Open this example as a new project. Use your own parts and cable lengths to make the plan yours.
Use the diagram as a starting point for your installation. Replace the example equipment and cable lengths with your own, and check the connections against your exact model's instructions.
10 ft one way
12 V system
Sized against ABYC E-11. The design current is the part's continuous draw. The length is one way; voltage drop includes an equal-length return.
The editable example uses 3.048 m (10 ft) runs unless a shorter run is stated. Metric overviews round these to 3 m. Adapt the parts and lengths to your installation before choosing cable and protection.
The E70636 chartplotter-only example uses the specified 7 A fuse and 8.95 W maximum consumption at 12 V. This model accepts 8–16 V, so do not connect a 24 V bank. RealVision variants have different power figures. Network, transducer and data connections are separate from this DC supply example. Manufacturer installation manual
Wiring diagram
Open this example in Crimp to use your own parts and cable lengths. Review the assumptions and installation notes as you adapt the circuit.
The E70636 chartplotter-only example uses the specified 7 A fuse and 8.95 W maximum consumption at 12 V. This model accepts 8–16 V, so do not connect a 24 V bank. RealVision variants have different power figures. Network, transducer and data connections are separate from this DC supply example. Manufacturer installation manual
Edit this wiring exampleInstallation notes
Guidance for this model, with sources linked beside the relevant advice.
Verified against the manufacturer's documentation (rev. Axiom/Axiom+ installation 87414 Rev 4), checked 2026-10-01. Manufacturer documentation →
E70636 identifies the 9-inch Axiom+ chartplotter model. The RV version is a different part with different power use and sonar connections. Adding this entry does not imply that a transducer or sonar processor is included. Its own GPS, charts and network data provide the navigation display functions supported by the installed software and accessories.
Axiom+ 9 takes 12 V nominal, with an 8–16 V input range. It is not a direct 24 V load. On a 24 V vessel, use a correctly sized converter and its required protection. The installation manual specifies a 7 A inline fuse or 7 A thermal breaker for the display.
Connect the supplied cable's red positive and black negative, and terminate its drain conductor as instructed for the vessel's RF ground arrangement. Keep fuse access and cable support after mounting. The combined power/NMEA 2000 harness does not mean the network supplies the screen or that the screen supplies the backbone; both power arrangements need to be understood separately.
The exact chartplotter specification is 8.95 W maximum. The catalog's approximately 0.75 A is 8.95 W / 12 V, a nominal-voltage calculation. It is not the 11.98 W RV-with-transducer rating. Terminal limits are protection-based planning bounds, and no unverified startup current is assigned.
Temporarily test internal GPS reception at the chosen helm position. Check visibility from the normal operating position, rear ventilation, connector-bend space and compass clearance. Use the template for the exact mounting method and seal with the supplied mounting arrangement. A position that fits the glass may still make the power connector or memory-card access unusable.
Connect RayNet, NMEA 2000 and any other supported accessories only through their intended interfaces. Preserve the seals on unused connections and record which network device supplies each important navigation value.
Verify reliable startup, valid position/time, installed chart coverage and correct units. Review alarms and select the intended data sources before navigating. Test with the other high-current equipment operating: resets during a pump or starter event often expose supply voltage drop or a poor connection.
If the display starts but a sensor value is missing, inspect the sensor's own power, network termination, source selection and software compatibility. A larger display fuse will not fix a network fault. Keep a recoverable record of settings before software or system changes and follow the current operating manual for navigation functions.
Axiom/Axiom+ installation PDF, Rev 4: product identification, mounting/location guidance, pp. 57–60 for power and fusing, and p. 100 for the model-specific input range and watts. The downloaded manual and hash are retained in the marine ledger.
Build it out
Add E70636 to your diagram, then connect your batteries, chargers and loads. Crimp calculates cable sizes and checks the connections as you draw.
Every cable you draw there is sized against ABYC E-11, from the same tables as the reference on this page.
Technical reference
Check the model, ratings and connection points against your own unit before choosing installation hardware.
Check stud sizes, fuse type, run length and how warm the space gets against the gear you actually have before you order.
Catalog connection points, current direction and planning limits. Check the manufacturer's pinout and connector ratings before installation.
+
pos
positive · input
−
neg
negative · input
Method & provenance
Manufacturer specifications describe the equipment. Crimp calculates cable results from the circuit and assumptions you enter.
From the maker
Manufacturer, model, ratings and which terminal does what come from the catalog. A newer revision, or the nameplate on the unit in your hand, can say something different — when it does, the nameplate wins.
ABYC E-11
Sized against ABYC E-11 — the US reference, and what Transport Canada accepts as an alternative to TP 1332 for pleasure craft under 24 m. The run length and the current above are what drive the result. Crimp doesn't know how warm your space gets; draw the cable inside an engine-bay zone on the canvas and it sizes for the heat.
Next step
Open this example as a new project. Add your equipment and cable lengths, then review the sizing and checks for your setup.