Mobile Heavy Diesel Electrical Repairs
Trucks | Trailers | Tractors | Earthmoving
Bream Bay | Marsden Point |
One Tree Point | Ruakākā | Waipu

My truck won’t start!
Warning / engine check lights
Batteries
ABS/EBS
Air conditioning
CB/Audio/Navigation
Harness repairs
Trucks
Road transport
Earthmoving equipment
Agricultural vehicles
Tractors
Trailer wiring

Getting stuck sucks
If your truck or heavy machinery won’t start or warning lights are flashing, let’s get it sorted before you’re stuck in the middle of a job.

Keep your fleet moving
Your vehicle is your office—keep it on the road, safe, and comfortable with CB radio or audio installations and air conditioning servicing.

Get the most out of your equipment
Get peace of mind with safe and reliable vehicles and less downtime by servicing and maintaining the electrical systems in your heavy machinery.
Stay where you are - I’ll bring my fully-equipped trailer and get you back on the road ASAP.
Or, find me at my new workshop
Watto's Auto & Marine Electrical, Unit 12, 68 Marsden Bay Drive, Marsden Cove, Northland.
Call/Text 027 481 9805 before coming to check I'm not out on a job.
Serving areas around Bream Bay, Marsden Point, One Tree Point, Ruakākā, and Waipu

Fully Mobile
Stuck in the middle of nowhere? That’s all good - I’ll come to you with my trailer packed with parts.

Parts & Accessories
I stock a huge range of parts and accessories to get you up and running faster.

Free Quote
Not sure whether it’s worth fixing or upgrading? Let’s chat, and I’ll give you a quote
Choose Watto’s for your Auto Electrical repairs, maintenance and upgrades
Expert in heavy diesel electrical repairs:
With over 30 years of experience working with heavy haulage, agricultural, forestry and mining vehicles, I’ve rarely met a problem I can’t fix.
Qualified Technician:
All work is performed by a qualified and experienced auto electrician. You can trust your vehicle is in expert hands.
Specialised Knowledge:
Expertise in all types of modern, complex electrical systems ensures accurate diagnostics and effective repairs. Your vehicle’s electrical issues will be resolved correctly the first time.
Workmanship Warranty:
All repairs come with a 12-month warranty on workmanship and parts. If something goes wrong, it will be fixed at no extra cost.
Clear Communication:
I keep you well-informed throughout the repair process, explaining the issues and solutions in clear, understandable terms. You’ll never be left in the dark about your vehicle’s condition.
Upfront Pricing:
Transparent and fair pricing with no hidden costs. You’ll know exactly what to expect, ensuring no surprises when it’s time to pay.
Prompt Service:
Getting back to work -fast - is important. So, I aim to get you back on track as quickly as possible. Your time is valuable, and I respect that.
Ready to get back to work in comfort and safety?

Hi, I’m Paul
If you’re around Bream Bay, Marsden Point, One Tree Point, Ruakākā, and Waipu, I’ll bring my trailer and get your truck, trailer, earthmoving equipment or agricultural vehicle up and running again.
Just tap here to text me or fill in my contact form, and I’ll get back to you as soon as I can - usually within a couple of hours.
Any questions?
What types of heavy diesel vehicles do you service?
I service a wide range of heavy diesel vehicles, including trucks, buses, agricultural machinery, forestry and construction equipment, and heavy haulage vehicles. No matter the size or type of your heavy diesel vehicle, I have the expertise to handle its electrical needs.
How long does diagnosing and repairing an electrical issue in a heavy diesel vehicle typically take?
The time required to diagnose and repair an electrical issue in a heavy diesel vehicle varies depending on the complexity of the problem. Generally, diagnostics can take anywhere from 30 minutes to a few hours. Most repairs can be completed within the same day, ensuring minimal downtime for your vehicle.
Can you handle both minor and major electrical issues?
Yes, I can handle both minor and major electrical issues. Whether it's a simple wiring fix or a complex engine management system repair, I have the skills and equipment to get your heavy diesel vehicle back in optimal working condition.
Is there a warranty on the heavy diesel electrical repairs?
Yes, all heavy diesel electrical repairs come with a 12-month warranty on workmanship and parts. This warranty ensures that any issues related to the repair within the warranty period will be addressed at no additional cost, giving you peace of mind and confidence in the quality of my work.