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For all your Auto Electrical & Mechanical Needs

Whatever your needs are, we can do it.

 

Auto Electrician Christchurch

OEM Electrical harness upgrades • Harness braiding • Diagnostics • Servicing • Air-conditioning - Service & repair • Batteries • Lights • Harness design • Electrical repairs • Mechanical repairs • Accessories

Automotive Repair & WOF

If you want the quality you would expect from a dealership but with a more personal and friendly atmosphere, you’ve found it.

Case Tractor mobile auto electrical & aircon repairs

Agriculture | Transportation |  Marine

Lights, Alarms, Stereos, Batteries, Trailer Plugs, Dual Battery Systems, Solar Panels, Brake Controllers & even GPS Systems

Mobile Auto Electrician

Mobile Auto Electrician

Our mobile auto electricians in Christchurch can do repairs on-site from our mobile service vehicles. This service is available to Christchurch city, Halswell, Rolleston, Yaldhurst, Springston, Halswell, Hornby, Prebbleton, Sockburn, West Melton, Hei Hei and Templeton read more →

Auto Electrician Services

Auto Electrician Christchurch
We have invested in all the latest auto electric specialist tools and diagnostic software, specifically tailored to your vehicle’s software. You won’t find a better auto electrician in Christchurch.
read more →

Car Mechanic
& W.O.F.

Car Mechanic Christchurch
Our automotive repair shop located in Rolleston, Christchurch, is capable of servicing various cars, jet boats, race cars and classic cars. Our car mechanics will only do the work needed to fix your problem.
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Electrical Accessories

Electrical Accessories

We can provide auto electrical services for any extra unique and custom systems you want to install in your vehicles, such as GPS or custom Sound Systems. 
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Agriculture Equipment Repairs

Agriculture | Transportation | Marine

Lights, Alarms, Stereos, Batteries, Trailer Plugs, Dual Battery Systems, Solar Panels, Brake Controllers & even GPS Systems

Heavy Transportation Repairs

Specialist Harness Protective Braiding

Christchurch’s only specialist harness braiding machine. Our Herzog braiding machine allows us to encase engine, body and equipment harnesses in a protective hard wearing and heavy duty nylon braid. Available in a multitude of colours or even multicolour patterns for a point of difference on that special project. 

Marine Repairs Christchurch

Marine Electronics

We provide auto electric and mechanical services for small pleasure craft. From electrical accessories to full re-wires. Our auto repair shop is capable of servicing a variety of models of craft. 
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Marine Repairs Christchurch

Special Service Types

Our auto mechanic can service a wide range of different air-con systems:

Cars, four-wheel-drives, utes, vans, trucks, buses, tractors, headers, farm vehicles,
construction, forestry and heavy
machinery. For more on our industry services read more here ➝

Frequently Asked Questions

What is an auto electrician?

An auto electrician is an automotive professional who installs, inspects, maintains and repairs all electrical parts of automotive vehicles. They typically work on cars, trucks, buses and other vehicles in the transportation industry. Some auto electricians also work on inspecting and repairing agricultural equipment.

Auto electricians may work on systems and parts like:

  • Air conditioning systems
  • Alarm systems
  • Alternators
  • Anti-lock brakes
  • Anti-theft systems
    Batters
  • Circuit boards
  • Diagnostic lights
  • Fuel injection systems
  • Headlights
  • Heating systems
  • Ignition systems
  • Instruments
  • Lighting systems
  • Radios
  • Starters
  • Transmissions

Ref: https://www.indeed.com/career-advice/finding-a-job/what-is-auto-electrician

What are the most common electrical faults in a car?

Most Common Electrical Problems in Cars
Breakdown of the most common electrical problems in cars

  1. Dead battery.
  2. Malfunctioning alternator.
  3. Faulty starter motor.
  4. Bad fuse box
  5. Bad spark plugs
  6. Malfunctioning ignition coils
  7. Wiring problems
  8. Engine control module failure

What are the major parts of the automotive electrical system?

The electrical system comprises a storage battery, generator, starting (cranking) motor, lighting system, ignition system, and various accessories and controls.

Why Us

Good reasons to choose us for your Auto Electrical needs

Professional & Friendly Staff

Best Materials
We have invested in all the latest specialist tools and diagnostic software that is specifically tailored for the software in your vehicle.

 

Car Service Workshop

Our auto repair shop is capable of servicing a variety of models. We only do the work that is needed to fix your problem.

 

Our Testimonials

Hear what our customers have to say.

Great service. The team really know what they are doing I take a number of cars to them.

Jordan Clemence

HM Auto Electrical have done almost all our auto electrical work from Utes to trucks. Michael’s work is second to none, expertly completed and never had failures to any installations or work undertaken. He is a perfectionist and thorough where reliability is always been a mark of his. From professional wiring to compliant and safe electrical work, I am always happy to bring something over when we need it.

Justin Duke-Norris

I had a WOF done on a small trailer today. The staff member I dealt with could not have been more pleasant. The WOF was very reasonably priced as well. I will go back and have no hesitation recommending them.

Blair Anderson

HM Auto Electrical
4.5
Based on 31 reviews
powered by Google
Alister BaxterAlister Baxter
04:23 28 Aug 23
Excellent service
Jordan ClemenceJordan Clemence
09:28 15 May 23
Great service.The team really know what they are doing I take a number of cars to them.
bobo Metcalfbobo Metcalf
00:47 05 Apr 23
took my car there want to fix the funny noise from the front brake, ended up they fix anything but apart from the noise 😰cost eight hundred plus
Caroline BlannCaroline Blann
07:20 05 Mar 23
Awesome
Dean SnellekszDean Snelleksz
02:57 16 Dec 22
Very friendly,great service an very good price for work done, will gladly go back to them.
Blair AndersonBlair Anderson
21:19 04 Dec 22
I had a WOF done on a small trailer today. The staff member I dealt with could not have been more pleasant. The WOF was very reasonably priced as well. I will go back and have no hesitation recommending them.
Carol MurphieCarol Murphie
21:06 08 Dec 21
Brilliant service.I was in the area, plant shopping, after failing a WOF for a blown headlight bulb in central ChCh.I rang them... 'Any chance you could have a look at it now for me, please ?' They said they could. I rocked up and 5 minutes and $10 later including bulb and fitting, I was done.Lovely chap. Bringing old school customer service back to our chaotic world.They deserve to do well.
Jono JamesJono James
21:57 06 Dec 20
I had been recommended to use HM Auto by about 8 different people.my mechanic and his auto sparky struggled to get there head around a problem I had with a Navara.Michael was able to pick up the vehicle, sort the problem in a few days and return the vehicle with out any issues. fast, reliable and well priced.Would definitely recommend HM Auto and wont be going anywhere else.
Justin Duke-NorrisJustin Duke-Norris
06:59 14 Feb 20
HM Auto Electrical have done almost all our auto electrical work from Utes to trucks. Michael’s work is second to none, expertly completed and never had failures to any installations or work undertaken. He is a perfectionist and thorough where reliability is always been a mark of his. From professional wiring to compliant and safe electrical work, I am always happy to bring something over when we need it.
Vaughan HaireVaughan Haire
08:41 06 Sep 19
HM Auto were incredibile. They got my car going with their mobile service and then I booked it in to get the Air Con fixed. Finally everything in my car now works!! Thanks Vaughan
Leonie WrightLeonie Wright
23:07 28 Jul 19
Had an exceptional experience with Michael - he extracted a load of spaghetti from my Lexus and made it work again, on a Saturday.... Very reasonable bill, mobile eftpos, just so easy to do business with.
Nicholas MorrisonNicholas Morrison
08:21 11 Jul 19
Great job. Michael makes it easy being a mobile service, he fixed my 3 vehicles with no problem, will be using him again in the future.
Mar DevMar Dev
08:26 26 Jun 19
If you are looking for a quality work but does not cost an arm and a leg, Harness Master is the place to go. Look for Michael and he’ll sort things out. 👍🏻
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HM Auto Electrical
4.5
Based on 31 reviews
powered by Google
Alister BaxterAlister Baxter
04:23 28 Aug 23
Excellent service
Jordan ClemenceJordan Clemence
09:28 15 May 23
Great service.The team really know what they are doing I take a number of cars to them.
bobo Metcalfbobo Metcalf
00:47 05 Apr 23
took my car there want to fix the funny noise from the front brake, ended up they fix anything but apart from the noise 😰cost eight hundred plus
Caroline BlannCaroline Blann
07:20 05 Mar 23
Awesome
Dean SnellekszDean Snelleksz
02:57 16 Dec 22
Very friendly,great service an very good price for work done, will gladly go back to them.
Blair AndersonBlair Anderson
21:19 04 Dec 22
I had a WOF done on a small trailer today. The staff member I dealt with could not have been more pleasant. The WOF was very reasonably priced as well. I will go back and have no hesitation recommending them.
Carol MurphieCarol Murphie
21:06 08 Dec 21
Brilliant service.I was in the area, plant shopping, after failing a WOF for a blown headlight bulb in central ChCh.I rang them... 'Any chance you could have a look at it now for me, please ?' They said they could. I rocked up and 5 minutes and $10 later including bulb and fitting, I was done.Lovely chap. Bringing old school customer service back to our chaotic world.They deserve to do well.
Jono JamesJono James
21:57 06 Dec 20
I had been recommended to use HM Auto by about 8 different people.my mechanic and his auto sparky struggled to get there head around a problem I had with a Navara.Michael was able to pick up the vehicle, sort the problem in a few days and return the vehicle with out any issues. fast, reliable and well priced.Would definitely recommend HM Auto and wont be going anywhere else.
Justin Duke-NorrisJustin Duke-Norris
06:59 14 Feb 20
HM Auto Electrical have done almost all our auto electrical work from Utes to trucks. Michael’s work is second to none, expertly completed and never had failures to any installations or work undertaken. He is a perfectionist and thorough where reliability is always been a mark of his. From professional wiring to compliant and safe electrical work, I am always happy to bring something over when we need it.
Vaughan HaireVaughan Haire
08:41 06 Sep 19
HM Auto were incredibile. They got my car going with their mobile service and then I booked it in to get the Air Con fixed. Finally everything in my car now works!! Thanks Vaughan
Leonie WrightLeonie Wright
23:07 28 Jul 19
Had an exceptional experience with Michael - he extracted a load of spaghetti from my Lexus and made it work again, on a Saturday.... Very reasonable bill, mobile eftpos, just so easy to do business with.
Nicholas MorrisonNicholas Morrison
08:21 11 Jul 19
Great job. Michael makes it easy being a mobile service, he fixed my 3 vehicles with no problem, will be using him again in the future.
Mar DevMar Dev
08:26 26 Jun 19
If you are looking for a quality work but does not cost an arm and a leg, Harness Master is the place to go. Look for Michael and he’ll sort things out. 👍🏻
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