Our experienced field service team provides fast, reliable on-site support for broken down trucks, heavy vehicles, and equipment across the Perth metro area.
With decades of hands-on experience working on Volvo, Mack, Western Star, Freightliner and other heavy vehicle platforms, we’re equipped to diagnose and repair faults where the vehicle sits — minimising downtime and getting you moving again quickly.
From electrical faults and starting issues through to diagnostics, charging systems, lighting, and emergency repairs, O’Brien Auto Electrics delivers practical solutions backed by real industry experience.
O’Brien Auto Electrics provides complete air conditioning service, repair, and diagnostic solutions for trucks, commercial vehicles, light fleet, and heavy equipment.
From minor faults and leak detection through to full system repairs, compressor replacement, evaporators, condensers, pipework, and electrical diagnostics, our experienced technicians understand the demands placed on heavy vehicle AC systems in harsh Australian conditions.
O’Brien Auto Electrics specialises in complete fit-outs for new trucks, commercial vehicles, service bodies, and heavy equipment.
From basic accessory installations through to full dangerous goods and mine-spec setups, we deliver practical, reliable electrical solutions tailored to how the vehicle will actually be used in the field.
Our team installs and integrates isolator switches, warning lights, beacon lights, dual battery systems, inverters, work lights, spotlights, UHF radios, battery monitoring systems, and a wide range of operator comfort accessories including microwaves, fridges, charging systems, and sleeper cab power solutions.
We use trusted, industry-proven components from leading brands including REDARC, NARVA, Bosch, and GME, along with a wide range of genuine OE parts to ensure reliability, compatibility, and long-term durability in demanding operating environments.
We provide professional fit-out solutions for fleet vehicles, mine-spec vehicles, and recreational 4WDs, with extensive experience working on Toyota platforms including Hilux, Landcruiser, Prado, and HiAce vehicles.
Whether it’s a single ute or an entire fleet rollout, we deliver reliable, practical installations designed to suit the vehicle’s intended use and operating environment.
Our team installs dual battery systems, driving lights, light bars, warning beacons, battery isolators, UHF radios, reverse alarms, handbrake alarms, work lights, trailer wiring, inverters, charging systems, and a wide range of site-spec and safety equipment. We also complete finishing and compliance details including high-visibility tape, wheel nut indicators, signage lighting, and other fleet presentation and safety requirements.
Using quality components from brands including REDARC, NARVA, Bosch, and GME, we focus on neat workmanship, long-term reliability, and fit-outs that are built to last in tough Australian conditions.
We specialise in advanced diagnostics and electrical repairs for trucks, commercial vehicles, trailers, and heavy equipment.
Our team is highly experienced in diagnosing even the most complex electrical and electronic faults, particularly on Volvo vehicles, with decades of hands-on experience gained working directly with OEMs, dealerships, and major transport fleets.
We repair and diagnose wiring faults, dash warning lights, CAN bus and communication issues, charging system faults, alternators, starter motors, battery drain issues, lighting faults, trailer wiring, ABS faults, and a wide range of electrical and electronic problems that can leave vehicles off the road.
Our close relationships with manufacturers and OEM networks give us access to factory information, technical support, and specialised diagnostic resources that many independent workshops simply don’t have access to — helping us solve faults faster and more accurately.
We also supply, deliver, and install replacement batteries for trucks, fleets, and heavy equipment, with fast response times across the Perth metro area to minimise downtime and keep your vehicles moving.
We offer mechanical, electrical and air conditioning repairs to a range of sleeper cab air conditioning systems. Including Coolabah, Bunkmate and Icepack
O'Brien Auto Electrics & Aircon
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