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Auto Electrical Granville at Granville Auto Mechanic

Auto Electrical Granville

Modern vehicles run on electronics. Our auto electrical specialists diagnose and repair everything from flat batteries to complex wiring faults.

Complete Auto Electrical Services

Today's cars carry more computing power than the first space missions — and when electrics fail, guesswork gets expensive. We use dealer-level diagnostic equipment to trace faults fast and fix them right the first time.

  • Battery testing, replacement and charging system repairs
  • Starter motor and alternator repairs and replacement
  • Wiring faults, shorts and parasitic drain diagnosis
  • Lighting, power windows, central locking and accessories
  • Warning light and ECU fault code diagnostics

Hybrid & Modern Vehicle Ready

From classic 12-volt systems to modern hybrids with high-voltage architecture, our workshop is equipped and trained for the vehicles on Australian roads today.

Frequently Asked Questions

My car won't start — battery, starter or alternator?

All three produce similar symptoms. We test the complete charging and starting circuit to identify the true cause before replacing anything — so you only pay for what's actually faulty.

How long does a car battery last?

Typically 3–5 years in Sydney's climate. We load-test your battery free with every service and warn you before it lets you down.

Can you find intermittent electrical faults?

Yes — intermittent faults are our specialty. We use circuit monitoring and dealer-level scan tools to catch faults in the act rather than swap parts on guesswork.

Granville · Sydney NSW

Ready When You Are

Book your auto electrical today — dealership quality without dealership pricing.

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