Commercial auto electrical specialists

Keep your fleet earning, not waiting

Downtime costs money. Simms Electrical keeps your vehicles on the road with rapid diagnostics, quality parts, and technicians who understand commercial pressures. From utes and vans to trucks and machinery, we deliver reliable auto electrical repairs across Auckland with workshop and mobile options to suit your operation.

Our Onehunga base is set up for fast turnarounds and consistent workmanship. If your vehicle cannot get to us, our mobile team can attend your depot or job site. You get clear communication, fair pricing, and repairs that are built to perform and to last. If you are searching for an auto electrician in Auckland, you are in the right place.

working on a car head light

Services you can book today

  • Auto electrical repairs and diagnostics for cars, vans, utes, trucks, and machinery
  • Battery testing, supply, and installation with system checks
  • Starter motor and alternator testing and replacement
  • Lighting, wiring, trailer plugs, and safety systems
  • Mobile auto electrician call-outs across Auckland
  • Air conditioning repairs, servicing, and regas
  • Preventative maintenance for fleet uptime

What we do for commercial operators

We focus on practical fixes that reduce vehicle off-road time. That means accurate fault finding, transparent recommendations, and the right parts on hand. Electrical systems are complex, but the outcome is simple. Your vehicle starts, runs, charges, lights, cools, and complies.

We support single vehicles and full fleets with scheduled maintenance plans, priority repairs, and after-hours support for account customers. Talk to us about a plan that matches your routes, loads, and seasonal demand.

Ready to reduce downtime and keep vehicles earning? Contact our Onehunga workshop to book a job or set up a fleet maintenance plan. We can schedule inspections, provide priority call-outs, and report on recurring faults so you stay ahead of issues.