Diagnostics, installations, upgrades & repairs for cars, trucks, caravans and 4x4s.
Servicing Sunbury, Tullamarine,
Melbourne & surrounds.
Expert Auto Electrical Services – Done Right.
Our Services
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Diagnostics & Fault Finding
We use advanced scan tools to quickly identify and fix faults — from warning lights to power issues.Sound Systems & Head Units
Install or upgrade your system with top-notch audio, touchscreen units, and Apple CarPlay / Android Auto integration.Lighting Upgrades
Interior and exterior lighting installs, including LEDs, spotlights, and work lights — all done with a tidy finish.Alarms & Anti-Theft Systems
Extra peace of mind with alarm installations and anti-theft solutions tailored to your vehicle.Dash Cams & UHF Radios
Stay connected and protected with professionally installed dash cams and UHF radios. -
Dual Battery Systems
Run your fridge, lights and gear without draining your main battery — perfect for off-grid adventures.Canopy Fit-Outs
We wire up your canopy for work or play — think sockets, lighting, inverters, fridge points and more.Caravan Prep – Tow Vehicle
We get your vehicle ready to tow — Anderson plugs, 12V power, brake controllers and more.Custom Accessory Wiring
We install and wire up all your extras — from light bars to switch panels and more. -
Electric Brake Controllers
Stay safe and compliant with brake controller installs for trailers and caravans.Fleet & Commercial Fit-Outs
We work with trades and fleet operators to install reliable, neat electrical setups that work hard and last. -
We come to you. Every time.
Refined Auto Electrical is a fully mobile service — we don’t have a workshop because we believe in making it easier for you. Whether you're at home, on-site, or out prepping for your next adventure, we bring the tools, parts, and know-how straight to your location.Servicing Sunbury, Tullamarine, Melbourne and surrounds.
We save you the hassle of drop-offs, wait times, and towing. Instead, you get reliable, expert electrical work — on your schedule, at your place.
Perfect for:
Busy tradies and fleet vehicles
Home installs or fault finding
Caravan and 4x4 setups
Anyone who wants convenience without compromising on quality
Auto electrics made easy. Because we come to you.
Auto Electrical. Done Properly.
At Refined Auto Electrical, we bring high-quality, expert service straight to your driveway, worksite or shed. With over a decade of hands-on experience, founder and director Karl leads with precision, passion, and a serious eye for detail.
Whether you're chasing fault diagnostics, a full 4x4 setup, or simply need your dual battery wired in right the first time — we’ve got you covered.
Based in Sunbury and fully mobile, we proudly service Tullamarine, Melbourne and surrounds.
Honest work. Done well. We come to you.
Testimonials.
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Running a busy workshop means I need someone I can trust to get the job done right — every time. Karl’s got an incredible eye for detail, and his work is second to none. He’s reliable, professional, and genuinely cares about the outcome. Couldn’t recommend him more.”
– Darryn, Workshop Owner (Tullamarine)
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I was having major issues with one of our forklifts and no one could get to the bottom of it. Karl came out, found the fault fast, and had us back up and running in no time. Lifesaver.
- Tom, Business Owner (Romsey)
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Karl fitted an entirely new sound system in my car and the result was unreal — clean wiring, no rattles, and everything works perfectly. He made it all look easy, but you can tell he takes serious pride in what he does.
- Rebecca (Sunbury)
Contact Us
Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!
Or you can email us on info@refinedauto.com.au