Auto Electrical Services

Auto Electrical Repairs, Diagnostics & Power Solutions

Auto electrical diagnostics, wiring repairs, battery systems, trailer brakes, starters, alternators, and engine management fault finding for cars, trailers, 4WDs, and work vehicles.

Services Available

Batteries

Battery testing, replacement, charging faults, and practical power advice for cars, 4WDs, trailers, and work vehicles.

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Full Re-wires

Complete wiring repairs and replacement for vehicles, trailers, custom builds, restorations, and complex electrical faults.

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Trailer Brakes

Brake controller wiring, trailer plug repairs, towing electrics, fault finding, and safe setup for regular towing work.

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Engine Management

Diagnostics and electrical fault tracing for sensors, warning lights, wiring issues, and engine control systems.

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Starters & Alternators

Testing, replacement, charging system checks, starting faults, and practical fixes for unreliable vehicle power.

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Auxiliary Battery Systems

Dual battery setups, electrical accessories, camping power, work vehicle power systems, and auxiliary charging solutions.

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Testimonials

What our customers think about us.

  • "Battery issue was diagnosed quickly, the charging system was checked properly, and the car was back starting reliably the same day without any confusing upsell."

    Mark T.
  • "Clean wiring work on our trailer brakes, a tidy controller install, and everything was explained clearly before the job started and tested before we drove away."

    Sarah L.
  • "Sorted a frustrating charging fault that another workshop had missed, explained what was failing, and kept the communication clear from diagnosis through to pickup."

    Ben R.
  • "Auxiliary battery setup is neat, practical, and exactly what we needed for camping trips, with the wiring labelled cleanly and the controls easy to understand."

    Alicia M.
  • "Professional fault finding on an engine management issue. No guesswork, just methodical testing, clear reporting, and a proper explanation of the repair options."

    Jordan P.
  • "Full re-wire on an older project vehicle came out tidy, reliable, and much easier to work on later. Very happy with the final finish and attention to detail."

    Chris W.
  • "Trailer plug and brake controller work was completed cleanly, secured properly, and tested before handover so we knew the towing setup was ready to use."

    Dana K.
  • "Starter motor issue was handled quickly with straightforward service, fair advice, and a clear explanation of what had failed and what needed replacing."

    Michael S.
  • "Helped plan an electrical accessory setup without overselling things we did not need, keeping the layout practical for daily use and future upgrades."

    Emma B.
  • "Reliable, tidy, and easy to deal with. The alternator problem was fixed properly, the battery was checked afterwards, and the car has been running well since."

    Luke H.
Ready to get sorted?

Fast, Reliable Auto Electrical Work

Whether it's a fault you can't track down, a battery that keeps going flat, or an auxiliary system you want fitted properly — give Justin a call and get it sorted.

Contact Justified Auto Electrical

Send an enquiry or call 0405 971 113 for auto electrical diagnostics, repairs, and auxiliary power work.

  • Batteries
  • Full Re-wires
  • Trailer Brakes
  • Engine Management
  • Starters & Alternators
  • Auxiliary Battery Systems
  • Other