This Narva 7 Core 4 mm Suzi Coil Adaptor runs a 4.6 metre coiled lead between a heavy duty truck socket and a large round trailer plug so you can tow without electrical gaps. The 7 core layout handles standard trailer lighting and accessory circuits using 6 x 2 mm² cores and 1 x 3 mm² core for the higher draw line. The coil gives enough stretch for long wheelbases and tight depot turns.

The cable uses insulated 4 mm and 5 mm conductors inside a tough outer sheath that copes with road spray and dust. The 7 pin heavy duty plug and 7 pin large round socket suit common Aussie towing setups on trucks and big trailers. The 4.6 metre length keeps the lead off the deck while still giving free movement. The thicker 3 mm² core gives breathing room for brake or auxiliary feed loads without stressing the wiring.

• Narva 7 core 4 mm Suzi coil adaptor
• Total cable length of 4.6 metres
• Adapts 7 pin heavy-duty socket to 7 pin large round
• Suitable for truck and trailer lighting circuits
• Contains 6 x 4 mm (2 mm²) conductors
• Includes 1 x 5 mm (3 mm²) higher capacity core
• Coiled lead design helps manage slack between vehicles
• Spring guard at connector end for strain relief
• Durable insulated outer sheath for road use
• Ideal for long wheelbase truck and trailer combinations

Q: Can this Suzi coil adaptor run both brake lights and indicators on a heavy trailer?

Yes, this adaptor has 7 cores to run multiple lighting circuits. You can allocate the 6 x 2 mm² cores to stop, tail, indicator, and marker lights. The single 3 mm² core suits a higher draw circuit where needed. Just match the wiring layout to your existing 7 pin configuration.

Q: Is the 4.6 metre length measured fully stretched or at rest in the coil?

The stated 4.6 metres is the maximum cable length when extended. In its coiled state the lead is substantially shorter for tidy stowage. Allow spare length in your install so the coil is not pulled to a hard straight line. A small amount of slack helps the cable cope with articulation.

Q: Can I use this adaptor on a standard 7 pin large round trailer plug without extra hardware?

Yes, the trailer end uses a 7 pin large round style connector. The plug mates directly with a matching 7 pin large round socket already fitted on the trailer. Check that the pins are clean and firmly seated before towing. Regular inspection helps avoid intermittent lighting faults.

Q: Does this Narva Suzi coil include strain relief to protect the cable near the connectors?

Yes, the assembly includes a spring-style guard at one end for strain relief. The guard helps support the cable where it enters the connector body. This reduces bending stress as the truck and trailer move. It also helps the lead last longer in constant towing use.

• Suits trucks and trailers set up with 7 pin heavy-duty sockets
• Adapts between 7 pin heavy-duty sockets and 7 pin large round sockets
• Intended for use on towing setups that require a 4.6 metre Suzi coil cable run
• Fitment requires compatible 7 pin heavy-duty plug and 7 pin large round trailer socket mounts on vehicle and trailer