Fast diagnosis, quality repairs, consistent results
When a vehicle develops an electrical fault, you need answers quickly. We use modern scan tools, proven test methods, and experienced technicians to isolate the issue without guesswork. That saves parts, time, and repeat visits.
From starting and charging faults to lighting, wiring, sensors, and accessories, we handle day-to-day repairs for commercial vehicles with the urgency your work demands. Same-day service is available for many jobs.
Services you can book today
- Diagnostics for engine electrical, body control, and CAN-bus faults
- Starter motors, alternators, and charging system repairs
- Lighting, indicators, trailer plugs, beacons, and work lights
- Power windows, central locking, immobilisers, and alarms
- Wiring repairs, looms, connectors, and corrosion remediation
- Accessory fit-outs, inverters, dual batteries, and tow-wiring
Why fleets choose Simms for general electrical work
We keep parts on hand for common makes and maintain supplier networks for fast sourcing. You get straight answers, repair options where possible, and replacement when it is the smarter choice.
Our team works cleanly and communicates clearly. You will know what failed, why it happened, and how to prevent it.
Book servicing or request a fleet plan
Searching for an auto electrician, car electrician, or vehicle electrical repairs near you in Auckland? Contact our Onehunga workshop to book today. We can also set up regular inspections for high-use vehicles.