Simms Electrical

17/10/2026

Poor trailer lighting isn’t just a visibility issue—it can create serious safety risks and costly downtime. The right upgrades, from brighter LED lamps to better wiring and compliance checks, help keep your trailer visible and road-ready in all conditions. This practical guide covers the most worthwhile lighting improvements for safer towing, whether you’re managing a fleet or hauling gear on the weekend.

https://simmselectrical.co.nz/best-trailer-lighting-upgrades

15/10/2026

Keeping a commercial fleet secure means protecting vehicles, tools and valuable time. Our guide to the best commercial vehicle alarms in Auckland covers practical options for trucks, vans, trailers and work vehicles, with a focus on reliable coverage and minimal downtime. It also explains what fleet operators should look for when choosing alarm systems backed by dependable installation and support.

https://simmselectrical.co.nz/best-commercial-vehicle-alarms-auckland

13/10/2026

Is it a flat battery or a failing alternator? The symptoms can look similar, but knowing the difference can save time, prevent unnecessary parts replacement and get your vehicle back on the road sooner. Our guide explains the key warning signs, what to check, and when professional diagnostics are needed—especially important when vehicle downtime affects your business.

https://simmselectrical.co.nz/alternator-versus-battery-fault

11/10/2026

Fleet downtime starts with small charging system issues that are easy to miss. Our inspection guide covers the key checks for batteries, alternators, cables and connections, helping fleet managers spot faults before they become costly breakdowns. It’s a practical, no-nonsense resource for keeping commercial vehicles reliable and on the road.

https://simmselectrical.co.nz/fleet-charging-system-inspection-guide

09/10/2026

Cable corrosion can lead to hard starting, electrical faults and unexpected vehicle downtime—especially in working vehicles exposed to moisture, grime and road spray. Our latest guide explains the common causes of corrosion and practical ways to protect cables, connections and performance. A few simple checks and the right preventive steps can help keep your vehicle reliable and your operation moving.

https://simmselectrical.co.nz/how-to-prevent-cable-corrosion

07/10/2026

How often should your car or truck’s air con be regassed? There’s no fixed schedule—most systems only need attention when refrigerant is lost, often due to a leak or ageing components. Knowing the warning signs and recommended service intervals can help avoid poor cooling, costly repairs and unnecessary vehicle downtime.

https://simmselectrical.co.nz/aircon-regas-frequency

05/10/2026

Installing telematics in a work vehicle is about more than fitting a tracking device—it needs to be done properly, with minimal downtime and no surprises. Our guide covers the key installation steps, placement considerations and practical checks to help keep fleet data accurate and vehicles on the road. It’s a straightforward resource for fleet managers, transport operators and trades who need reliable visibility across their vehicles.

https://simmselectrical.co.nz/telematics-installation-guide-work-vehicles

03/10/2026

Keeping commercial vehicles moving means keeping their air conditioning working properly. Our guide covers the checks, common faults and servicing essentials that help fleets avoid driver discomfort, unexpected breakdowns and costly downtime. With the right diagnostics and maintenance plan, aircon issues can be identified early and resolved efficiently.

https://simmselectrical.co.nz/commercial-vehicle-aircon-guide

01/10/2026

01/10/2026

The team has been fixing all sorts lately
Cranes, Hoists, Trucks, Boats Simms will get you back up and rolling 👌