Simms Electrical
Best automotive electrical fit out and repair service in Auckland. An iconic trusted NZ business. Call or pop in today! Heavy Auto Electrical experts.
Your one-stop auto electrical shop in Auckland. Car or truck not performing as it should? Need parts, repair, or servicing? Welcome to Simms Auto Electrical. Specialising in all things automotive electrical, we only stock the very best brands for guaranteed high quality every time. Large show room stocking alarms, vehicle lighting, Cameras, horns, fuses switches we got it all. We are also a Battery Town store, we can supply all kinds of batteries and battery master switches. As your one-stop auto electrical shop we can also diagnose different types of vehicles, using the latest diagnostic equipment and techniques. with a fleet of service vans we can also attend anywhere in Auckland and surrounds.
01/10/2026
The team has been fixing all sorts lately
Cranes, Hoists, Trucks, Boats Simms will get you back up and rolling 👌
01/10/2026
Downtime isn’t just inconvenient—it costs money, disrupts schedules, and throws your whole week off balance. That’s why this article breaks down a fleet breakdown analysis approach that helps spot issues early, speed up the fix, and reduce repeat breakdowns. With the right diagnostic tech, service-van availability, and a team that understands heavy vehicles, you get clearer troubleshooting and a faster return to the road. If you manage fleets in Auckland or you’re tired of guessing what’s failing, this one’s for you.
https://simmselectrical.co.nz/fleet-breakdown-analysis-cuts-downtime
29/09/2026
Can a truck inverter drain your battery when it’s not doing anything? The answer depends on how it’s wired, what load you’re running, and whether the inverter is drawing standby power—details that can make the difference between a quick start and an avoidable breakdown. In our latest breakdown, we’ll cover the facts so you can spot the real causes and protect battery health on the road. If you rely on uptime in Auckland, this is the no-nonsense guide that helps you avoid costly surprises.
https://simmselectrical.co.nz/can-truck-inverters-drain-batteries
27/09/2026
Saturday started with a good workshop feed for lunch, followed by a massive dinner at Cordis eight restaurant with some of our amazing Simms families 😊 What a great night out, thanks to all, so good to relax with the team out side of the very busy day to day work.
27/09/2026
Headlights flickering isn’t just annoying—it can point to loose connections, failing bulbs, charging system issues, or wiring problems that get worse fast. At Simms Electrical, we use proper diagnostic testing to pinpoint the cause and apply the right fix, so you’re not guessing or losing downtime. If you run a fleet or rely on your vehicle every day in Auckland and the surrounds, this is exactly the kind of electrical fault we handle quickly and confidently. Get the clear answers on what’s causing the flicker and what to do before you’re left in the dark.
https://simmselectrical.co.nz/why-do-headlights-flicker
25/09/2026
It a Static ADAS calibration 2025 UD Quon kind of day.
25/09/2026
Auto Electrical Experts & Car Batteries NZ | Battery Town New Zealand's largest auto electrical network. Battery testing, replacement, diagnostics and expert support at 100+ locally owned locations.
25/09/2026
When your vehicle’s throwing faults, there’s a big difference between workshop diagnostics and roadside diagnostics—and knowing which one to use can save you serious downtime. This breakdown explains how each approach works in real situations, what it means for turnaround times, and why accurate diagnostic tech matters when you need to get trucks, trailers, and everyday vehicles back on the road fast. If you manage fleets or you just want the problem solved properly, this is the practical guide you’ll wish you’d read sooner.
https://simmselectrical.co.nz/workshop-diagnostics-versus-roadside-diagnostics
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Contact the business
Address
70 Princes Street
Auckland
1061
Opening Hours
| Monday | 7am - 5pm |
| Tuesday | 7am - 5pm |
| Wednesday | 7am - 5pm |
| Thursday | 7am - 5pm |
| Friday | 7am - 5pm |
| Saturday | 7am - 12pm |
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