Boats moored on the waterfront at Caringbah in the Sutherland Shire, southern Sydney

Sutherland Shire

Photo: J Bar, CC BY 2.5, via Wikimedia Commons

The Sutherland Shire sits between the Georges River, Port Hacking and the Royal National Park, with industrial and trade areas at Taren Point and Kirrawee. Auto electrical work here swings from boats and salt-affected trailers to trade vehicles, commuter cars and weekend 4WDs.

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Sutherland Shire at a glance

  • Council: Sutherland Shire
  • Suburbs: Kirrawee, Caringbah, Taren Point, Sutherland
  • Main routes: Princes Highway, Taren Point Road, Captain Cook Bridge, The Kingsway, President Avenue, Port Hacking Road
  • Typical work: boat and trailer wiring, salt corrosion repairs, trade ute and van accessories, commuter car batteries, dual battery systems, air conditioning faults

Suburbs in Sutherland Shire

The Shire is mostly family suburbs, but it is surrounded by water and bush. Taren Point has an industrial and trade area near the Captain Cook Bridge, and Caringbah's stretch of Taren Point Road is lined with showrooms and trade businesses. Kirrawee has small factories and workshops north of the railway, with the Royal National Park to the south. Sutherland is the rail junction and an older commuter centre. Boats, trailers and salt air shape the work near the water, while trade vehicles and commuter cars dominate further inland.

Kirrawee · Caringbah · Taren Point · Sutherland

Common auto electrical jobs in Sutherland Shire

These jobs are common right across the Shire. Each suburb page goes into its own mix.

Salt and boat trailers

With the Georges River, Botany Bay and Port Hacking all close by, the Shire has a lot of boat trailers. Salt water and trailer wiring don't get along. Plugs corrode, earths rust and lights fill with water. Fully submersible LED lights, sealed connectors and wiring run inside the drawbar where possible all help. Unplug before launching and rinse with fresh water afterwards. Our guide why aren't my trailer lights working covers the common causes.

Get it done: get a quoteDo it yourself: shop submersible trailer lights

Trade utes and vans

The trade areas at Taren Point, Caringbah and Kirrawee keep a lot of work vehicles busy. Utes and vans pick up work lights, inverters, beacons and second batteries over the years. Each one is a chance for a poor join or a missing fuse to cause trouble later. Getting add-ons wired through relays, with cable sized for the load and fuses close to the battery, saves a lot of downtime. See what size cable do I need for 12V.

Get it done: get a quoteDo it yourself: shop automotive cable

Dual batteries for weekends away

The Royal National Park is on the Shire's doorstep and the south coast is an easy run down the Princes Highway, so plenty of locals set up a 4WD or wagon for camping. A dual battery system runs a fridge and lights without flattening the starting battery. Newer cars with smart alternators usually need a DC-DC charger rather than a simple isolator. Our guide how does a dual battery system work explains the options.

Get it done: get a quoteDo it yourself: shop DC-DC chargers

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